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Low-Carbon Steel Rectangular 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 fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
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Tubes
- Yield Strength: See table
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: See table
Outside | Inside | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Ht. Tolerance | Wd. | Wd. Tolerance | Ht. | Wd. | Yield Strength, psi  | Specifications Met | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.049" Wall Thick. (-0.005" to 0.005" Tolerance) | |||||||||||
| 1/2" | -0.004" to 0.004" | 1/2" | -0.004" to 0.004" | 0.402" | 0.402" | Not Rated | ASTM A513 | 0000000 | |||
| 5/8" | -0.004" to 0.004" | 5/8" | -0.004" to 0.004" | 0.527" | 0.527" | Not Rated | ASTM A513 | 0000000 | |||
| 3/4" | -0.005" to 0.005" | 3/4" | -0.005" to 0.005" | 0.652" | 0.652" | Not Rated | ASTM A513 | 0000000 | |||
0.065" Wall Thick. (-0.007" to 0.007" Tolerance) | |||||||||||
| 1/2" | -0.005" to 0.005" | 1" | -0.005" to 0.005" | 0.37" | 0.87" | Not Rated | ASTM A513 | 0000000 | |||
| 5/8" | -0.004" to 0.004" | 5/8" | -0.004" to 0.004" | 0.495" | 0.495" | Not Rated | ASTM A513 | 0000000 | |||
| 1" | -0.01" to 0.01" | 3" | -0.01" to 0.01" | 0.87" | 2.87" | Not Rated | ASTM A513 | 0000000 | |||
| 1" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 0.87" | 1.87" | Not Rated | ASTM A513 | 0000000 | |||
| 1" | -0.006" to 0.006" | 1 1/2" | -0.006" to 0.006" | 0.87" | 1.37" | Not Rated | ASTM A513 | 0000000 | |||
| 2" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 1.87" | 1.87" | Not Rated | ASTM A513 | 0000000 | |||
0.083" Wall Thick. (-0.008" to 0.008" Tolerance) | |||||||||||
| 3/4" | -0.006" to 0.006" | 1 1/2" | -0.006" to 0.006" | 0.584" | 1.334" | Not Rated | ASTM A513 | 000000 | |||
| 1" | -0.01" to 0.01" | 1 1/2" | -0.01" to 0.01" | 0.834" | 1.334" | Not Rated | ASTM A513 | 0000000 | |||
| 1" | -0.01" to 0.01" | 3" | -0.01" to 0.01" | 0.834" | 2.834" | Not Rated | ASTM A513 | 0000000 | |||
| 1" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 0.834" | 1.834" | Not Rated | ASTM A513 | 0000000 | |||
| 1 1/4" | -0.006" to 0.006" | 1 1/4" | -0.006" to 0.006" | 1.084" | 1.084" | Not Rated | ASTM A513 | 0000000 | |||
| 2" | -0.02" to 0.02" | 4" | -0.02" to 0.02" | 1.834" | 3.834" | Not Rated | ASTM A513 | 0000000 | |||
| 2 1/2" | -0.01" to 0.01" | 2 1/2" | -0.01" to 0.01" | 2.334" | 2.334" | Not Rated | ASTM A513 | 0000000 | |||
0.12" Wall Thick. (-0.012" to 0.012" Tolerance) | |||||||||||
| 3/4" | -0.005" to 0.005" | 3/4" | -0.005" to 0.005" | 0.51" | 0.51" | Not Rated | ASTM A513 | 0000000 | |||
| 1" | -0.008" to 0.008" | 2" | -0.008" to 0.008" | 0.76" | 1.76" | Not Rated | ASTM A513 | 0000000 | |||
| 1" | -0.006" to 0.006" | 1 1/2" | -0.006" to 0.006" | 0.76" | 1.26" | Not Rated | ASTM A513 | 0000000 | |||
| 1 1/4" | -0.006" to 0.006" | 1 1/4" | -0.006" to 0.006" | 1.01" | 1.01" | Not Rated | ASTM A513 | 0000000 | |||