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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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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 fixture clamps, mounting plates, and spacers.
Heat treatable tubes can be surface hardened with heat treating.
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.
Tubes
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: See table
- Specifcations Met: See table