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 |
| Size, Outside Diameter, (inch) |
Typical Permissible Variations in Outside Diameter |
Typical Permissible Variations in Wall Thickness |
| Up to .500 |
+/-.005″ |
+/- 15 % |
| .501 to 1.499 |
+/-.005″ |
+/- 10 % |
| 1.500 to 3.499 |
+/-.010″ |
+/- 10 % |
| 3.500 to 5.499 |
+/-.015″ |
+/- 10 % |
| 5.500 to 7.999 |
+/-.030″ |
+/- 10 % |
| 8.000 to 11.999 |
+/-.040″ |
+/- 10 % |
| 12.000 to 14.000 |
+/-.050″ |
+/- 10 % |
* for small diameter or thin walls or both Carbon maximum is 0.040 %
Information provided is “Typical” for specific requirements please inquire.
