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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Easy-to-Weld A572 Alloy Steel Sheets and Bars
- Yield Strength: 50,000 psi
- Hardness: Rockwell B75 (Medium)
- Maximum Hardness After Heat Treatment: Not Rated
- Specifications Met: ASTM A572
Combining strength with weldability and formability, A572 alloy steel is an economical choice for structural components, such as channels, beams, and framing. It has a low carbon content, making it easy to weld with a variety of welding methods. Stronger than other low-carbon steels, such as A36 steel, it handles heavy loads without fracturing. Tested using ASTM A572, these sheets and bars are safe for jobs that require a yield strength of 50,000 psi or less.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Sheets
| Thickness | Thickness Tolerance | Each | |
6" × 6" | |||
|---|---|---|---|
| 3/16" | -0.003" to 0.008" | 3706N101 | 000000 |
| 1/4" | -0.009" to 0.009" | 3706N106 | 00000 |
| 5/16" | -0.007" to 0.007" | 3706N111 | 00000 |
| 1/2" | -0.015" to 0.015" | 3706N121 | 00000 |
| 3/4" | -0.01" to 0.04" | 3706N131 | 00000 |
6" × 12" | |||
| 3/16" | -0.003" to 0.008" | 3706N102 | 00000 |
| 5/16" | -0.007" to 0.007" | 3706N112 | 00000 |
| 3/8" | -0.012" to 0.012" | 3706N117 | 00000 |
| 1/2" | -0.015" to 0.015" | 3706N122 | 000000 |
| 5/8" | -0.016" to 0.016" | 3706N127 | 000000 |
| 3/4" | -0.01" to 0.04" | 3706N132 | 000000 |
| 1" | -0.01" to 0.07" | 3706N137 | 000000 |
12" × 12" | |||
| 3/16" | -0.003" to 0.008" | 3706N103 | 000000 |
| 1/4" | -0.009" to 0.009" | 3706N108 | 000000 |
| 5/16" | -0.007" to 0.007" | 3706N113 | 000000 |
| 3/8" | -0.012" to 0.012" | 3706N118 | 000000 |
| 1/2" | -0.015" to 0.015" | 3706N123 | 000000 |
| 5/8" | -0.016" to 0.016" | 3706N128 | 000000 |
| 3/4" | -0.01" to 0.04" | 3706N133 | 000000 |
| 1" | -0.01" to 0.07" | 3706N138 | 000000 |
12" × 24" | |||
| 3/16" | -0.003" to 0.008" | 3706N104 | 000000 |
| 1/4" | -0.009" to 0.009" | 3706N109 | 000000 |
| 5/16" | -0.007" to 0.007" | 3706N114 | 000000 |
| 3/8" | -0.012" to 0.012" | 3706N119 | 000000 |
| 1/2" | -0.015" to 0.015" | 3706N124 | 000000 |
| 5/8" | -0.016" to 0.016" | 3706N129 | 000000 |
| 1" | -0.01" to 0.07" | 3706N139 | 000000 |
24" × 24" | |||
| 3/16" | -0.003" to 0.008" | 3706N105 | 000000 |
| 1/4" | -0.009" to 0.009" | 3706N11 | 000000 |
| 5/16" | -0.007" to 0.007" | 3706N115 | 000000 |
| 3/8" | -0.012" to 0.012" | 3706N12 | 000000 |
| 5/8" | -0.016" to 0.016" | 3706N13 | 000000 |
| 3/4" | -0.01" to 0.04" | 3706N135 | 000000 |
| 1" | -0.01" to 0.07" | 3706N14 | 000000 |
Bars
| Width | 12" Length | 36" Length | 72" Length | |
1/4" Thickness (-0.009" to 0.009" Tolerance) | ||||
|---|---|---|---|---|
| 1" | 3706N31 | |||
| 1 1/2" | 3706N32 | |||
| 2" | 3706N33 | |||
| 2 1/2" | 3706N151 | |||
| 3" | 3706N35 | |||
| 3 1/2" | 3706N36 | |||
| 4" | 3706N37 | |||
| 5" | 3706N38 | |||
3/8" Thickness (-0.012" to 0.012" Tolerance) | ||||
| 1" | 3706N41 | |||
| 1 1/2" | 3706N42 | |||
| 2" | 3706N43 | |||
| 3" | 3706N45 | |||
| 3 1/2" | 3706N46 | |||
| 4" | 3706N47 | |||
| 6" | 3706N191 | |||
1/2" Thickness (-0.015" to 0.015" Tolerance) | ||||
| 1" | 3706N51 | |||
| 1 1/2" | 3706N52 | |||
| 2" | 3706N53 | |||
| 2 1/2" | 3706N203 | |||
| 3" | 3706N55 | |||
| 4" | 3706N57 | |||
| 5" | 3706N58 | |||
| 6" | 3706N59 | |||