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Multipurpose 4140 Alloy Steel Tubes
- Yield Strength: 60,000 psi
- Hardness: Rockwell B85 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C60
- Specifications Met: ASTM A519
Also known as chrome-moly steel, this versatile 4140 alloy steel is used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. It resists fracturing from repeated stress.
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 | Heat Treatment | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/2" Wall Thick. (-0.05" to 0.05" Tolerance) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2 1/2" | -0.025" to 0.025" | 1 1/2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 2 3/4" | -0.025" to 0.025" | 1 3/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 3" | -0.025" to 0.025" | 2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 3 1/4" | -0.025" to 0.025" | 2 1/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 3 3/4" | -0.025" to 0.025" | 2 3/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 4" | -0.025" to 0.025" | 3" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
5/8" Wall Thick. (-0.063" to 0.063" Tolerance) | ||||||||
| 3 1/4" | -0.025" to 0.025" | 2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 4" | -0.025" to 0.025" | 2 3/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
3/4" Wall Thick. (-0.075" to 0.075" Tolerance) | ||||||||
| 3" | -0.025" to 0.025" | 1 1/2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 3 1/4" | -0.025" to 0.025" | 1 3/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 3 3/4" | -0.025" to 0.025" | 2 1/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 4 1/4" | -0.025" to 0.025" | 2 3/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 4 3/4" | -0.037" to 0.037" | 3 1/4" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
1" Wall Thick. (-0.1" to 0.1" Tolerance) | ||||||||
| 3 1/2" | -0.025" to 0.025" | 1 1/2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
1 1/4" Wall Thick. (-1/8" to 1/8" Tolerance) | ||||||||
| 4 1/2" | -0.037" to 0.037" | 2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 5" | -0.037" to 0.037" | 2 1/2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
| 5 1/2" | -0.037" to 0.037" | 3" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||
2" Wall Thick. (-0.2" to 0.2" Tolerance) | ||||||||
| 6" | -0.037" to 0.037" | 2" | Annealed (Softened) | 0.030" per ft. | 0000000 | |||