System of Measurement System of Measurement |
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OD OD |
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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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Material Material |
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Shape Shape |
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 | Round Tube |
Fabrication Fabrication |
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Compatible Tube Fittings Compatible Tube Fittings |
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 | Compression |
 | Flared |
 | Butt Weld |
For Use With For Use With |
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Maximum Pressure Maximum Pressure |
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Bendable Bendable |
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Form Form |
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Specifications Met Specifications Met |
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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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Appearance Appearance |
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 | Plain |
Bending Method Bending Method |
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Tolerance Rating Tolerance Rating |
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Certificate Certificate |
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About Aluminum
More
About Metal Tubing
More
About Stainless Steel
More
About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
Smooth-Bore Seamless Stainless Steel Tubing
Seamless construction with no weld bead gives this tubing an interior with unrestricted flow. It is stronger than welded tubing and can be flared without splitting.
304 stainless steel has very good corrosion resistance.
316 stainless steel offers excellent corrosion resistance.
Tubing that meets ASTM specifications adheres to international standards for dimensions and materials.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: See Table
- Bending Method: Tube Bender
- For Use With: Natural Gas, Water, Oil, Air
- Compatible Tubing Fittings: Butt Weld, Compression, and Flared
Welded Stainless Steel Tubing
When your application does not require a smooth interior, this tubing is an economical choice. It has a weld bead on the inside.
304 stainless steel has very good corrosion resistance.
316 stainless steel offers excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: 304 Stainless Steel: -420° to 1500° F
316 Stainless Steel: -320° to 1500° F - Bending Method: Tube Bender
- For Use With: Air, Deionized Water, Hydraulic Fluid, Natural Gas, Oil, Water
- Compatible Tube Fittings: Butt Weld and Compression
General Purpose Aluminum Tubing
- Temperature Range: -450° to 400° F
- Bending Method: Tube Bender
- Compatible Tube Fittings: Flared
This tubing is lightweight with good corrosion resistance and weldability. It has magnesium and silicon added for strength. Tubing is seamless, which provides a smooth interior for unrestricted flow. It can be flared without splitting.
For technical drawings and 3-D models, click on a part number.
Smooth-Bore Seamless Steel Tubing
Seamless construction with no weld bead gives this tubing an interior with unrestricted flow. It is stronger than welded tubing and can be flared without splitting. Do not use in corrosive environments.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: See Table
- Bending Method: Tube Bender
- For Use With: Hydraulic Fluid, Natural Gas
- Compatible Tube Fittings: Compression and Flared
Corrosion-Resistant Steel Tubing
- Temperature Range: -20° to 800° F
- Bending Method: Tube Bender
- Compatible Tube Fittings: Compression and Flared
A thin layer of zinc yellow-chromate gives this tubing extra corrosion resistance, making it an economical alternative to stainless steel. Tubing is seamless, which provides a smooth interior for unrestricted flow. It is stronger than welded tubing and can be flared without splitting.
For technical drawings and 3-D models, click on a part number.
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. | |
0.083" Wall Thick. (-0.012" to 0.012" Tolerance) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/4" | -0.005" to 0.005" | 0.584" | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736, SAE AMS6360 | 0.030" per 3 ft. | 000000000 | |||
High-Strength 2024 Aluminum Tubes
- Yield Strength: 42,000 psi
- Hardness: Brinell 120 (Medium)
- Temper: T3
- Fabrication: Cold Drawn
- Specifications Met: ASTM B210
While 2024 aluminum was initially designed for structural components in aircraft, it's now widely used when a high strength-to-weight ratio is needed, such as for gears, shafts, and fasteners. It offers similar performance to 7075 aluminum, but it’s not as strong.
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.
Multipurpose 304 Stainless Steel
From cookware to chemical-processing equipment, 304 stainless steel is a good all-around choice for a wide range of applications. It maintains its corrosion resistance in temperatures up to 1500° F.
304/304L stainless steel contains less carbon than standard 304 for better weldability.
Welded round tubes are more economical than seamless tubes.
Seamless round tubes are more corrosion resistant than welded tubes because they don’t have a seam that could potentially introduce impurities.
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 Treatment: Annealed (Softened)
- Heat Treatable: No
- Specifications Met: See Table
| OD | OD Tolerance | ID | Yield Strength, psi | Fabrication | Hardness | Specifications Met | Straightness Tolerance | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 4 ft. Lg. | 6 ft. Lg. | |
0.083" Wall Thick. (-0.012" to 0.012" Tolerance) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/4" | -0.005" to 0.005" | 0.584" | 30,000 | Seamless | Not Rated | ASTM A269 | 0.045" per ft. | 00000000 | ||||||
0.083" Wall Thick. (-0.0083" to 0.0083" Tolerance) | ||||||||||||||
| 3/4" | -0.005" to 0.005" | 0.584" | 30,000 | Welded | Rockwell B90 (Medium) | ASTM A249, ASTM A269 | __ | 000000000 | ||||||