Stainless 440A
Stainless 440A is a high-carbon high-chromium stainless steel which provides moderate corrosion resistance from mild atmospheres, fresh water, steam, ammonia, many petroleum products, organic materials, and several mild acid environments. Stainless 440A has been used for dental and surgical instruments, cutlery, valve parts, pivot pins etc.
Available forms are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and flanges.
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Specifications |
AMS 5631, AMS 5632 ASTM A276, ASTM A314, ASTM A473, ASTM A511, ASTM A580 |
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C (Carbon content) |
.60 - .75 |
| MN | 1.00 |
| P | .04 |
| S | .03 |
Si |
1.00 |
Cr |
16.0 - 18.0 |
Ni |
.75 |
Mo |
.75 |
Cu |
.50 |
Co | |
N (Nitrogen content) |
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| W | |
Sn (Tin content) |
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Al (Aluminum content) |
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Fe (Iron content) |
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| cb+Ta | |
Zr (Zirconium content) |
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