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AISI 302~AISI 316 |
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AISI 420~AISI 440C |
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C% |
Si % |
Mn % |
Cr % |
Ni % |
Mo % |
P % |
S % |
Other |
characteristic |
| AISI 302 |
0.15 max |
1.00 max
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2.00 max
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17.0~19.0
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8.0~10.5
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0.045 max
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0.03 max
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Slightly magnetic
Austinitic |
| AISI 304 |
0.07 max |
1.00 max |
2.00 max |
17.0~19.0 |
8.50~10.5 |
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0.045 max |
0.03 max |
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Slightly magnetic
Austinitic |
| AISI 316 |
0.07 max |
1.00 max |
2.00 max |
16.5~18.5 |
10.5~13.5 |
2000~2.50 |
0.045 max |
0.03 max |
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Non-magnetic
Austinitic
Excellent corrosion resistance |
| AISI 420J |
0.17~0.25 |
1.00 max |
1.00 max |
12.0~14.0 |
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0.045 max |
0.03 max |
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magnetic
Hardenable HRC 48 Min
fair corrosion resistance |
| AISI 430 |
0.08 max |
1.00 max |
1.00 max |
15.5~17.5 |
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0.045 |
0.03 max |
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fair-good corrosion resistance |
| AISI 440C |
0.95~1.20 |
1.00 max |
1.00 max |
16.0~18.0 |
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0.40~0.80 |
0.04 max |
0.02 max |
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fair corrosion resistance
Hardenable HRC 58 Min |
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dispenser valve ball, stainless steel bearing, chemical related application |
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| Corrosion Resistance Comparison |
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