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American Tube | |
Alloy Composition
Composition , % |
||||||||
| Grade | 304 | 304L | 316 | 316L | 321 | 409 | 825 | 2205 |
| Carbon max |
0.08 | 0.035 | 0.08 | 0.035 | 0.08 | 0.08 | 0.05 | 0.03 |
| Manganese max |
2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 1.00 | 1.00 | 2.00 |
| Phosphorus max |
0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.045 | --- | 0.03 |
| Sulphur max |
0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.045 | 0.03 | 0.02 |
| Silicon max |
0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 1.0 | 0.50 | 1.00 |
| Chromium |
18.0-20.0 | 18.0-20.0 | 16.0-18.0 | 16.0-18.0 | 17.0-20.0 | 10.5-11.75 | 19.5-23.5 | 21.0-23.0 |
| Nickel |
8.0-11.0 | 8.0-13.0 | 10.0-14.0 | 10.0-15.0 | 9.0-13.0 | 0.50 | 38.0-46.0 | 4.5-6.5 |
| Molybdenum |
--- | --- | 2.0-3.0 | 2.0-3.0 | --- | --- | 2.5-3.5 | 2.5-3.2 |
| Titanium |
--- | --- | --- | --- | 5 x C min 0.70 max |
6 x C min 0.75 max |
0.6-1.2 | --- |
| Nitrogen |
--- | --- | --- | --- | --- | --- | --- | 0.08-1.20 |
| Copper |
--- | --- | --- | --- | --- | --- | 1.5-3.0 | --- |
| Other Elements | --- | --- | --- | --- | --- | --- | Al = 2.0 max Fe = balance |
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