304 / 304L Stainless Seamless Mechanical Tubing
Generally known as hollow bar, 304 / 304L seamless mechanical tubing is generally used for mechanical and machining applications.
Hollowbar PDF Download
Stock size range:
OD: 1.250" OD through 9" OD
Walls: .188" wall through 1.00" wall
Specifications: ASTM A511, ASTM A269, AMS 5639 Chemistry only
| 304 | 304L | |
|---|---|---|
| Typical Chemical Requirements: | ||
| Carbon Max | 0.08 | 0.035 |
| Manganese Max | 2.00 | 2.00 |
| Phosphorous Max | 0.040 | 0.040 |
| Sulfur Max | 0.030 | 0.030 |
| Silicon Max | 1.0000 | 1.00 |
| Chromium Range | 18.0-20.0 | 18.0-20.0 |
| Nickel Range | 8.0-11.0 | 8.0-13.0 |
| Mechanical Properties | ||
| Tensile Strength Min | 75 ksi | 75 ksi |
| Yield Strength Min | 30 ksi | 30 ksi |
| Elongation Min in 2" | 35% | 35% |
