A269 specification for seamless and welded Austenitic stainless steel tubing for general service.
This specification covers grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service.
| 304 | 304L | 316 | 316L | |
|---|---|---|---|---|
| Carbon, max, % | 0.08 | 0.035* | 0.08 | 0.035* |
| Manganese, Max, % | 2.00 | 2.00 | 2.00 | 2.00 |
| Phosphorous, Max, % | 0.045 | 0.045 | 0.045 | 0.045 |
| Sulfur, Max, % | 0.03 | 0.03 | 0.03 | 0.03 |
| Silicon, Max, % | 1.00 | 1.00 | 1.00 | 1.00 |
| Chromium, % | 18.0 – 20.0 | 18.0 – 20.0 | 16.0 – 18.0 | 16.0 – 18.0 |
| Nickel, % | 8.0 – 11.0 | 8.0 – 12.0 | 10.0 – 14.0 | 10.0 – 14.0 |
| Molybdenum, % | 0 | 0 | 2.00 – 3.00 | 2.00 – 3.00 |
| Typical Mechanical Properties | 304 | 304L | 316 | 316L |
|---|---|---|---|---|
| Tensile Strength Minimum ksi (MPa) | 75 (515) | 70 (485) | 75 (515) | 70 (485) |
| Yield Strength Minimum ksi (MPa) | 30 (205) | 25 (170) | 30 (205) | 25 (170) |
| Elongation Min | 35% | 35 | 35% | 35 |
| Rockwell Hardness Number, maximum | B90 | B90 | B90 | B90 |
