Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
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, mounting plates, and spacers. Some of this material can be surface hardened with heat treating.
Steel that meets ASTM A109 or A36 complies with standards for materials.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: See table
Thickness | Thickness Tolerance | Yield Strength, psi | Hardness | Specifications Met | Each | |
1" × 10ft. | ||||||
---|---|---|---|---|---|---|
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 000000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.007" | -0.0008" to 0.0008" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
1" × 25ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.007" | -0.0008" to 0.0008" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
1" × 100ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.007" | -0.0008" to 0.0008" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
3" × 10ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
3" × 25ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
3" × 100ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 000000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
7" × 10ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.007" | -0.0008" to 0.0008" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
7" × 25ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
0.007" | -0.0008" to 0.0008" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 00000 |
7" × 100ft. | ||||||
0.001" | -0.0001" to 0.0001" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 000000 |
0.004" | -0.0005" to 0.0005" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 000000 |
0.007" | -0.0008" to 0.0008" | 44,000 | Rockwell B90 (Medium) | ASTM A109 | 00000000 | 000000 |
12" × 12" | ||||||
0.075" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.09" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.134" | -0.006" to 0.006" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
12" × 24" | ||||||
0.03" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.06" | -0.005" to 0.005" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.075" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.09" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.134" | -0.006" to 0.006" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
24" × 24" | ||||||
0.03" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.06" | -0.005" to 0.005" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.075" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.09" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.134" | -0.006" to 0.006" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
24" × 36" | ||||||
0.03" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.06" | -0.005" to 0.005" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.075" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.09" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.134" | -0.006" to 0.006" | Not Rated | Not Rated (Medium) | __ | 0000000 | 000000 |
24" × 48" | ||||||
0.03" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.06" | -0.005" to 0.005" | Not Rated | Not Rated (Medium) | __ | 0000000 | 00000 |
0.075" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 000000 |
0.09" | -0.003" to 0.003" | Not Rated | Not Rated (Medium) | __ | 0000000 | 000000 |
0.134" | -0.006" to 0.006" | Not Rated | Not Rated (Medium) | __ | 0000000 | 000000 |
Low-Carbon Steel Bars with Rounded Edges

- Yield Strength: 35,000 psi
- Hardness: Rockwell B65 (Medium)
- Heat Treatable: No
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, mounting plates, and spacers.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Wd. | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/16" Thick. (-0.003" to 0.003" Tolerance) | ||||
---|---|---|---|---|
1/4" | 00000000 | |||
3/8" | 00000000 | |||
1/2" | 00000000 | |||
3/4" | 00000000 | |||
7/8" | 00000000 | |||
1" | 00000000 | |||
1 1/4" | 00000000 | |||
1 1/2" | 00000000 | |||
2" | 00000000 | |||
3/32" Thick. (-0.003" to 0.003" Tolerance) | ||||
3/8" | 00000000 | |||
1/2" | 00000000 | |||
3/4" | 00000000 | |||
1" | 00000000 | |||
1 1/2" | 00000000 | |||
2" | 00000000 | |||
1/8" Thick. (-0.004" to 0.004" Tolerance) | ||||
3/8" | 00000000 | |||
1/2" | 00000000 | |||
5/8" | 00000000 | |||
3/4" | 00000000 | |||
7/8" | 00000000 | |||
1" | 00000000 | |||
1 1/2" | 00000000 | |||
2" | 00000000 | |||
3/16" Thick. (-0.004" to 0.004" Tolerance) | ||||
1/2" | 00000000 | |||
5/8" | 00000000 | |||
3/4" | 00000000 | |||
1" | 00000000 | |||
1 1/4" | 00000000 | |||
1 1/2" | 00000000 |
Mold- and Mildew-Resistant Low-Carbon Steel Sheets

- Yield Strength: 40,000 psi
- Hardness: Rockwell B55 (Soft)
- Heat Treatable: No
- Specifications Met: ASTM A653
A silver-filled resin coating on one side of these sheets protects from degradation caused by bacteria and fungi. 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.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Low-Carbon Steel Round Tubes

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 frames, supports, and conduit. This steel is manufactured to ASTM, SAE, or EN standards for quality and performance.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
OD | ID | Yield Strength, psi | Fabrication | Weld Method | Heat Treatable | Hardness | Specifications Met | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 4 ft. Lg. | 6 ft. Lg. | 8 ft. Lg. | 12 ft. Lg. | |
0.035" Wall Thick. | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/2" | 0.43" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 2 | 0000000 | |||||||
0.049" Wall Thick. | |||||||||||||||
1/2" | 0.402" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 2 | 0000000 | |||||||
5/8" | 0.527" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 2 | 0000000 | |||||||
3/4" | 0.652" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 2 | 0000000 | |||||||
0.065" Wall Thick. | |||||||||||||||
1/2" | 0.37" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
5/8" | 0.495" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 2 | 0000000 | |||||||
3/4" | 0.62" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
7/8" | 0.745" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 2 | 0000000 | |||||||
1 1/4" | 1.12" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
0.083" Wall Thick. | |||||||||||||||
5/8" | 0.459" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
3/4" | 0.584" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
7/8" | 0.709" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
1" | 0.834" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
0.095" Wall Thick. | |||||||||||||||
3/4" | 0.56" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
1" | 0.81" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
1 3/4" | 1.56" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
0.12" Wall Thick. | |||||||||||||||
3/4" | 0.51" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
7/8" | 0.635" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
1 1/8" | 0.885" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
1 1/4" | 1.01" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
1 3/4" | 1.51" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
2" | 1.76" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 | |||||||
2 1/4" | 2.01" | 30,000 | Welded | ERW (Electric Resistance Welded) | No | Rockwell B50 (Soft) | ASTM A513 Type 1 | 0000000 |
Low-Carbon Steel Triangles

- Yield Strength: See table
- Hardness: See table
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: See table
Weld these steel triangles to strengthen joints in structural applications. They’re also known as gussets. They have clipped corners that leave room for a weld bead, allowing for stronger welds. These triangles are made of low-carbon steel, which is easy to machine, form, and weld. All meet ASTM material standards for steel.
Physical and mechanical properties are not guaranteed. They are intended only as a basis for comparison and not for design purposes.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Thick. | Thick. Tolerance | Yield Strength, psi | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
4" × 4" | |||||||
---|---|---|---|---|---|---|---|
1/8" | -0.003" to 0.003" | 30,000 | Rockwell B40 (Soft) | ASTM A1011 | 2 | 0000000 | 00000 |
6" × 6" | |||||||
1/8" | -0.003" to 0.003" | 30,000 | Rockwell B40 (Soft) | ASTM A1011 | 2 | 0000000 | 00000 |
8" × 8" | |||||||
1/8" | -0.003" to 0.003" | 30,000 | Rockwell B40 (Soft) | ASTM A1011 | 2 | 0000000 | 00000 |
12" × 12" | |||||||
1/8" | -0.003" to 0.003" | 30,000 | Rockwell B40 (Soft) | ASTM A1011 | 1 | 0000000 | 00000 |