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Corrosion Resisting Alloy AMS 5630/5618


Technical Data Sheet

 

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 - -

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.

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

Services
At Aircraft Materials we specialise in the rapid turn-around of orders, with most stock items ready for shipping out the same day to anywhere in the world. For time-critical orders, such as AOGs use our AOG service desk (aog@aircraftmaterials.com), the team are dedicated to processing and dispatching orders on the same day, even for cutting orders on bar and sheet products.

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.