Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Tight-Tolerance Low-Carbon Steel Bars

Sometimes called flat stock, these bars have a thickness and width that are precision ground to a tight tolerance. They’re low-carbon steel, also known as mild steel, which is easy to machine, form, and weld. Use them for fabricating parts that don’t require high strength, such as fixture clamps and mounting plates. For added wear resistance, the surface can be hardened with heat treating. All have been manufactured to meet ASTM A36 standards for quality and performance.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Fabrication: Hot Rolled
- Specifications Met: ASTM A36
Wd. | Wd. Tolerance | Thick. Tolerance | Mechanical Finish | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 4 ft. Lg. | 6 ft. Lg. | |
1/16" Thick. | |||||||||
---|---|---|---|---|---|---|---|---|---|
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/32" Thick. | |||||||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/8" Thick. | |||||||||
1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5/32" Thick. | |||||||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/16" Thick. | |||||||||
3/16" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/4" Thick. | |||||||||
1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5/16" Thick. | |||||||||
5/16" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/8" Thick. | |||||||||
3/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
7/16" Thick. | |||||||||
7/16" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1/2" Thick. | |||||||||
1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
9/16" Thick. | |||||||||
9/16" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5/8" Thick. | |||||||||
5/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3/4" Thick. | |||||||||
3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
10" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
7/8" Thick. | |||||||||
7/8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1" Thick. | |||||||||
1" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
8" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/4" Thick. | |||||||||
1 1/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
5" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
12" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 1/2" Thick. | |||||||||
1 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
1 3/4" Thick. | |||||||||
1 3/4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2" Thick. | |||||||||
2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
2 1/2" Thick. | |||||||||
2 1/2" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
3" Thick. | |||||||||
3" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
6" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 | |||||
4" Thick. | |||||||||
4" | 0" to 0.005" | -0.001" to 0.001" | Precision Ground | 00000000 |
- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C65
- Fabrication: Hot Rolled
- Specifications Met: ASTM A36
Wd., mm | Wd. Tolerance, mm | Thick. Tolerance, mm | Mechanical Finish | 1 ft. Lg. | 2 ft. Lg. | |
3 mm Thick. | ||||||
---|---|---|---|---|---|---|
10 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
15 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
20 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
25 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
4 mm Thick. | ||||||
10 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
15 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
20 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
25 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
5 mm Thick. | ||||||
10 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
15 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
20 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
25 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
10 mm Thick. | ||||||
10 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
15 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
20 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 | ||
25 | 0 to 0.127 | -0.025 to 0.025 | Precision Ground | 00000000 |
Low-Carbon Steel Sheets and Bars
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps and mounting plates.
Heat treatable material can be surface hardened for added wear resistance.
Hot-rolled sheets are ground to remove residue and create a uniform surface that is good for heat treating.
Steel that meets ASTM specifications complies with standards for manufacturing and performance.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.


- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C65
- Fabrication: Hot Rolled
- Specifications Met: ASTM A36
Thick. | Thick. Tolerance | Each | |
3" × 3" | |||
---|---|---|---|
1/16" | -0.001" to 0.001" | 00000000 | 00000 |
3/32" | -0.001" to 0.001" | 00000000 | 0000 |
1/8" | -0.001" to 0.001" | 00000000 | 0000 |
5/32" | -0.001" to 0.001" | 00000000 | 0000 |
3/16" | -0.001" to 0.001" | 00000000 | 0000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 00000 |
3/4" | -0.003" to 0.003" | 00000000 | 00000 |
1" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/4" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/2" | -0.003" to 0.003" | 00000000 | 00000 |
2" | -0.003" to 0.003" | 00000000 | 00000 |
3" × 6" | |||
1/16" | -0.001" to 0.001" | 00000000 | 00000 |
3/32" | -0.001" to 0.001" | 00000000 | 00000 |
1/8" | -0.001" to 0.001" | 00000000 | 00000 |
5/32" | -0.001" to 0.001" | 00000000 | 00000 |
3/16" | -0.001" to 0.001" | 00000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 00000 |
3/4" | -0.003" to 0.003" | 00000000 | 00000 |
1" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/4" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/2" | -0.003" to 0.003" | 00000000 | 00000 |
2" | -0.003" to 0.003" | 00000000 | 00000 |
4" × 4" | |||
1/16" | -0.001" to 0.001" | 00000000 | 0000 |
3/32" | -0.001" to 0.001" | 00000000 | 00000 |
1/8" | -0.001" to 0.001" | 00000000 | 00000 |
5/32" | -0.001" to 0.001" | 00000000 | 00000 |
3/16" | -0.001" to 0.001" | 00000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 00000 |
3/4" | -0.003" to 0.003" | 00000000 | 00000 |
1" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/4" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/2" | -0.003" to 0.003" | 00000000 | 00000 |
2" | -0.003" to 0.003" | 00000000 | 00000 |
6" × 6" | |||
1/16" | -0.001" to 0.001" | 0000000 | 00000 |
3/32" | -0.001" to 0.001" | 0000000 | 00000 |
1/8" | -0.001" to 0.001" | 0000000 | 00000 |
5/32" | -0.001" to 0.001" | 0000000 | 00000 |
3/16" | -0.001" to 0.001" | 0000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 00000 |
3/4" | -0.003" to 0.003" | 00000000 | 00000 |
1" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/4" | -0.003" to 0.003" | 00000000 | 00000 |
1 1/2" | -0.003" to 0.003" | 00000000 | 00000 |
2" | -0.003" to 0.003" | 00000000 | 000000 |
6" × 12" | |||
1/16" | -0.001" to 0.001" | 00000000 | 00000 |
3/32" | -0.001" to 0.001" | 00000000 | 00000 |
1/8" | -0.001" to 0.001" | 00000000 | 00000 |
5/32" | -0.001" to 0.001" | 00000000 | 00000 |
3/16" | -0.001" to 0.001" | 00000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 00000 |
3/4" | -0.003" to 0.003" | 00000000 | 00000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
1 1/4" | -0.003" to 0.003" | 00000000 | 000000 |
1 1/2" | -0.003" to 0.003" | 00000000 | 000000 |
2" | -0.003" to 0.003" | 00000000 | 000000 |
8" × 8" | |||
1/16" | -0.001" to 0.001" | 0000000 | 00000 |
3/32" | -0.001" to 0.001" | 0000000 | 00000 |
1/8" | -0.001" to 0.001" | 0000000 | 00000 |
5/32" | -0.001" to 0.001" | 0000000 | 00000 |
3/16" | -0.001" to 0.001" | 0000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 00000 |
3/4" | -0.003" to 0.003" | 00000000 | 00000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
1 1/4" | -0.003" to 0.003" | 00000000 | 000000 |
1 1/2" | -0.003" to 0.003" | 00000000 | 000000 |
2" | -0.003" to 0.003" | 00000000 | 000000 |
8" × 12" | |||
1/16" | -0.001" to 0.001" | 00000000 | 00000 |
3/32" | -0.001" to 0.001" | 00000000 | 00000 |
1/8" | -0.001" to 0.001" | 00000000 | 00000 |
5/32" | -0.001" to 0.001" | 00000000 | 00000 |
3/16" | -0.001" to 0.001" | 00000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
10" × 10" | |||
1/16" | -0.001" to 0.001" | 00000000 | 00000 |
3/32" | -0.001" to 0.001" | 00000000 | 00000 |
1/8" | -0.001" to 0.001" | 00000000 | 00000 |
5/32" | -0.001" to 0.001" | 00000000 | 00000 |
3/16" | -0.001" to 0.001" | 00000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 00000 |
3/8" | -0.003" to 0.003" | 00000000 | 00000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
12" × 12" | |||
1/16" | -0.001" to 0.001" | 0000000 | 00000 |
3/32" | -0.001" to 0.001" | 0000000 | 00000 |
1/8" | -0.001" to 0.001" | 0000000 | 00000 |
5/32" | -0.001" to 0.001" | 0000000 | 00000 |
3/16" | -0.001" to 0.001" | 0000000 | 00000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
1 1/2" | -0.003" to 0.003" | 00000000 | 000000 |
2" | -0.003" to 0.003" | 00000000 | 000000 |
Thick. | Thick. Tolerance | Each | |
12" × 18" | |||
---|---|---|---|
1/16" | -0.001" to 0.001" | 00000000 | 000000 |
3/32" | -0.001" to 0.001" | 00000000 | 00000 |
1/8" | -0.001" to 0.001" | 00000000 | 000000 |
5/32" | -0.001" to 0.001" | 00000000 | 000000 |
3/16" | -0.001" to 0.001" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
12" × 24" | |||
1/16" | -0.001" to 0.001" | 00000000 | 000000 |
3/32" | -0.001" to 0.001" | 00000000 | 000000 |
1/8" | -0.001" to 0.001" | 00000000 | 000000 |
5/32" | -0.001" to 0.001" | 00000000 | 000000 |
3/16" | -0.001" to 0.001" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
12" × 36" | |||
1/16" | -0.001" to 0.001" | 00000000 | 000000 |
3/32" | -0.001" to 0.001" | 00000000 | 000000 |
1/8" | -0.001" to 0.001" | 00000000 | 000000 |
5/32" | -0.001" to 0.001" | 00000000 | 000000 |
3/16" | -0.001" to 0.001" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
12" × 48" | |||
1/16" | -0.001" to 0.001" | 00000000 | 000000 |
3/32" | -0.001" to 0.001" | 00000000 | 000000 |
1/8" | -0.001" to 0.001" | 00000000 | 000000 |
5/32" | -0.001" to 0.001" | 00000000 | 000000 |
3/16" | -0.001" to 0.001" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
12" × 72" | |||
1/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
16" × 16" | |||
1/16" | -0.003" to 0.003" | 00000000 | 00000 |
3/32" | -0.003" to 0.003" | 00000000 | 000000 |
1/8" | -0.003" to 0.003" | 00000000 | 000000 |
5/32" | -0.003" to 0.003" | 00000000 | 000000 |
3/16" | -0.003" to 0.003" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
18" × 18" | |||
1/16" | -0.003" to 0.003" | 00000000 | 000000 |
3/32" | -0.003" to 0.003" | 00000000 | 000000 |
1/8" | -0.003" to 0.003" | 00000000 | 000000 |
5/32" | -0.003" to 0.003" | 00000000 | 000000 |
3/16" | -0.003" to 0.003" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
18" × 24" | |||
1/16" | -0.003" to 0.003" | 00000000 | 000000 |
3/32" | -0.003" to 0.003" | 00000000 | 000000 |
1/8" | -0.003" to 0.003" | 00000000 | 000000 |
5/32" | -0.003" to 0.003" | 00000000 | 000000 |
3/16" | -0.003" to 0.003" | 00000000 | 000000 |
1/4" | -0.003" to 0.003" | 00000000 | 000000 |
3/8" | -0.003" to 0.003" | 00000000 | 000000 |
1/2" | -0.003" to 0.003" | 00000000 | 000000 |
3/4" | -0.003" to 0.003" | 00000000 | 000000 |
1" | -0.003" to 0.003" | 00000000 | 000000 |
24" × 24" | |||
1/16" | -0.005" to 0.005" | 00000000 | 000000 |
3/32" | -0.005" to 0.005" | 00000000 | 000000 |
1/8" | -0.005" to 0.005" | 00000000 | 000000 |
5/32" | -0.005" to 0.005" | 00000000 | 000000 |
3/16" | -0.005" to 0.005" | 00000000 | 000000 |
1/4" | -0.005" to 0.005" | 00000000 | 000000 |
3/8" | -0.005" to 0.005" | 00000000 | 000000 |
1/2" | -0.005" to 0.005" | 00000000 | 000000 |
3/4" | -0.005" to 0.005" | 00000000 | 000000 |
1" | -0.005" to 0.005" | 00000000 | 000000 |
1 1/2" | -0.005" to 0.005" | 00000000 | 000000 |
2" | -0.005" to 0.005" | 00000000 | 00000000 |
24" × 48" | |||
1/16" | -0.005" to 0.005" | 00000000 | 000000 |
3/32" | -0.005" to 0.005" | 00000000 | 000000 |
1/8" | -0.005" to 0.005" | 00000000 | 000000 |
5/32" | -0.005" to 0.005" | 00000000 | 000000 |
3/16" | -0.005" to 0.005" | 00000000 | 000000 |
1/4" | -0.005" to 0.005" | 00000000 | 000000 |
3/8" | -0.005" to 0.005" | 00000000 | 000000 |
1/2" | -0.005" to 0.005" | 00000000 | 000000 |
3/4" | -0.005" to 0.005" | 00000000 | 00000000 |
1" | -0.005" to 0.005" | 00000000 | 00000000 |
24" × 72" | |||
1/16" | -0.005" to 0.005" | 00000000 | 000000 |
1/8" | -0.005" to 0.005" | 00000000 | 000000 |
3/16" | -0.005" to 0.005" | 00000000 | 000000 |
1/4" | -0.005" to 0.005" | 00000000 | 000000 |
1/2" | -0.005" to 0.005" | 00000000 | 00000000 |
Low-Carbon Steel Rods and Discs

- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Fabrication: See table
- Specifications Met: See table
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into low-strength fasteners, pins, and axles. You can surface harden this material for added wear resistance. All have been manufactured to meet ASTM standards for quality and performance.
Cold-worked rods and discs have a finished look and quality. The cold-working process gives the steel consistent strength, hardness, and dimensions throughout.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia., mm | Dia. Tolerance, mm | Yield Strength, psi | Fabrication | Hardness | Max. Hardness After Heat Treatment | Mechanical Finish | Specifications Met | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
9 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
10 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
12 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
13 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
14 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
15 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
16 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
20 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
21 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 000000 | |||
25 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 | |||
28 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 | |||
30 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 | |||
35 | -0.01 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 | |||
40 | -0.02 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 | |||
45 | -0.02 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 | |||
50 | -0.02 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 |