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Corrosion Resisting Alloy 440C AMS 5630/5618
Technical Data Sheet
AISI 400C is available in either standard melted (ams 5630) or vacuum melted (ams 5618) versions. AMS 5618 is typically used for anti-friction bearing components where resistance to both corrosion and wear is essential. 440C is capable of hardnesses in excess of 58 HRC after heat treatment.
| Chemical Composition Limits | ||||||||
| Weight% | C | Si | Mn | P+S | Cr | Mo | Ni | Others |
| AISI 440C | 0.95/ 1.2 | 1.0 max | 1.0 max | 0.04 P 0.03 S | 16.0 / 18.0 | 0.75 | - | - |
| AFNOR Z100 CD 17 | 0.90/ 1.2 | 1.0 max | 1.0 max | 0.04 P 0.03 S | 16.0 / 18.0 | 0.35 / 0.75 | 0.50 max | Cu 0.50 max |
| AMS 5630 / 5618 | 0.95/ 1.2 | 1.0 max | 1.0 max | 0.04 P 0.03 S | 16.0/ 18.0 | 0.4/ 0.65 | 0.75 max | Cu 0.50 max |
| WS 1.4125 | 0.95/ 1.2 | 1.0 max | 1.0 max | 0.04 P 0.03 S | 16.0/ 18.0 | 0.40 / 0.80 | - | - |
Availability
AMS 5630 is available in Bars, Wire and Forgings. For all stock availability contact Sales.
Specifications
UNS S44004, UNS S44002, UNS S44020
FED QQ S 763
CLASS 440C
AMS 5631
AMS 5632
