System of Measurement System of Measurement |
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ID ID | Show |
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ID ID | Hide |
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Wall Thickness Wall Thickness |
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Shape Shape |
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 | Round Tube |
Material Material |
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Fabrication Fabrication |
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Certificate Certificate |
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Specifications Met Specifications Met |
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Tolerance Rating Tolerance Rating |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Hardness Hardness |
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Yield Strength Yield Strength |
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Appearance Appearance |
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 | Plain |
Low-Carbon Steel Grade Low-Carbon Steel Grade |
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Maximum Hardness After Heat Treatment Maximum HardnessAfter Heat Treatment |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
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.
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 ACTIVITY after your order ships.
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: See table
- Specifcations Met: See table
Easy-to-Weld 4130 Alloy Steel Round Tubes
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Specifications Met: See table
4130 alloy steel has a low carbon content that provides good weldability. It's often used for gears, fasteners, and structural applications. These tubes meet military specifications and SAE dimensional standards.
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 ACTIVITY after your order ships.
| OD | OD Tolerance | ID | Yield Strength | Hardness | Maximum Hardness After Heat Treatment | Specifications Met | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.12" Wall Thick. (-0.018" to 0.018" Tolerance) | |||||||||||
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| 1 3/4" | -0.010" to 0.010" | 1.51" | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736 | 0.030" per 3 ft. | 000000000 | |||