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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 ORDER HISTORY 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) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/4" | -0.005" to 0.005" | 0.51" | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736, SAE AMS6360 | 0.030" per 3 ft. | 000000000 | |||
Shims for D-Profile Shafts
These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing. They're made of carbon steel for strength and weldability.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | ID | ID Tolerance | OD | OD Tolerance | Flat Wd. | Material | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
0.001" Thick (-0.0001" to 0.0001" Tolerance) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 5 | 000000000 | 000000 |
0.003" Thick (-0.0003" to 0.0003" Tolerance) | |||||||||||
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 5 | 000000000 | 00000 |
0.005" Thick (-0.0005" to 0.0005" Tolerance) | |||||||||||
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 5 | 000000000 | 00000 |
0.01" Thick (-0.00075" to 0.00075" Tolerance) | |||||||||||
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 3 | 000000000 | 00000 |
0.02" Thick (-0.001" to 0.001" Tolerance) | |||||||||||
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 3 | 000000000 | 00000 |
| Each | |||||||||||
0.031" Thick (-0.0015" to 0.0015" Tolerance) | |||||||||||
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | __ | 000000000 | 0000 |
0.06" Thick (-0.003" to 0.003" Tolerance) | |||||||||||
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | __ | 000000000 | 00000 |
1/8" Thick (-0.005" to 0.005" Tolerance) | |||||||||||
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | __ | 000000000 | 00000 |
Shim Sets for D-Profile Shafts
Be prepared with shims in a variety of thicknesses. These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing. Shims are made of carbon steel for strength and weldability.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | ID | OD | Flat Wd. | Number of Pieces | Includes | Material | Min. Hardness | Magnetic Properties | Each | |
| 1/2" | 0.51" | 3/4" | 0.235" | 8 | One shim each in the following thicknesses: 0.001” (±0.0001"), 0.003" (±0.0003"), 0.005” (±0.0005"), 0.01" (±0.00075"), 0.02" (±0.001"), 0.031" (±0.0015"), 0.06" (±0.003"), 0.125" (±0.005") | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 000000000 | 000000 |