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Catalog:
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Chemical Compositions of Stainless Steel
| Alloy |
UNS Designation |
Tensile (ksi) |
Yield (ksi) |
Approximate Rockwell Hardness |
Carbon (max) |
Manganese (max) |
Phosphorus (max) |
Sulfur (max) |
Molybdenum |
Silicon |
Chromium |
Nickel |
Copper |
Other Elements |
| 18-8 |
- |
80-150 |
40 min |
B85-95 |
0.08% |
2% |
0.20% |
0.03-15% |
0% |
1% |
17-20% |
8-13% |
0-4% |
- |
| 302 |
S30200 |
70-125 |
40 min |
B85-95 |
0.15% |
2% |
0.05% |
0.03% |
0% |
1% |
17-19% |
8-10% |
- |
- |
| 303 |
S30300 |
90-125 |
40 min |
B85-95 |
0.15% |
2% |
0.02% |
0.15% min |
0% |
1% |
17-19% |
8-10% |
- |
- |
| 304 |
S30400 |
85-150 |
40 min |
B85-95 |
0.08% |
2% |
0.45% |
0.03% |
0% |
1% |
18-20% |
8-10.5% |
1% |
- |
| 304L |
S30403 |
Slightly lower than alloy 304 |
Slightly lower than alloy 304 |
Slightly lower than alloy 304 due |
0.03% |
2% |
0.05% |
0.03% |
0% |
1% |
18-20% |
8-12% |
1% |
- |
| 305 |
S30500 |
80-140 |
40 min |
B85-95 |
0.12% |
2% |
0.05% |
0.03% |
0% |
1.5% |
17-19% |
10.5-13% |
1% |
- |
| 309 |
S30900 |
100-120 |
40 min |
B85-95 |
0.20% |
2% |
0.05% |
0.03% |
0% |
1% |
22-24% |
12-15% |
- |
- |
| 310 |
S31000 |
100-120 |
60-80 |
B85-95 |
0.25% |
2% |
0.05% |
0.04% |
0% |
1.50% |
24-26% |
19-22% |
- |
- |
| 316 |
S31600 |
85-140 |
40 min |
B85-95 |
0.08% |
2% |
0.05% |
0.03% |
2-3% |
1% |
16-18% |
10-14% |
2-3% |
- |
| 316L |
S31603 |
Slightly lower than alloy 316 |
Slightly lower than alloy 316 |
Slightly lower than alloy 316 |
0.03% |
2% |
0.05% |
0.03% |
2-3% |
1% |
16-18% |
10-14% |
2-3% |
- |
| 317 |
S31700 |
100-120 |
60-80 |
B85-95 |
0.08% |
2% |
0.05% |
0.03% |
- |
1% |
18-20% |
11-15% |
3-4% |
- |
| 321 |
S32100 |
100-120 |
60-80 |
B85-95 |
0.08% |
2% |
0.05% |
0.03% |
- |
1% |
17-19% |
9-12% |
- |
Titanium
5X Carbon |
| 347 |
S34700 |
100-120 |
60-80 |
B85-95 |
0.08% |
2% |
0.05% |
0.03% |
0.75% |
1% |
17-19% |
9-13% |
- |
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