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Corrosion Resisting Alloy 440C

Data Sheet 440C

STOCK SIZES

Chemical Composition Limits

Weight % C

Si

Mn P+S max Cr Mo Ni Others

AISI 440C

0.95/1.20 1.00 max 1.00 max 0.040P 0.030S 16.00/18.00 0.75 - -

AFNOR 

Z100 CD 17

0.90/1.20 1.00 max 1.00 max 0.040P 0.030S 16.00/18.00 0.35/0.75 0.50 max

Cu 0.50 MAX

AMS 5630

0.95/1.20 1.00 max 1.00 max 0.040P 0.030S 16.00/18.00 0.40/0.65 0.75 max

Cu 0.50 MAX

WS 1.4125

M-17C

CHRONIFER

X 105 CrMo 17

Z 100 CD 17

0.95/1.20 1.00 max 1.00 max 0.040P 0.030S 16.00/18.00 0.40/0.80

-

-

(Electro Slag Remelted SAE 51 440C)

AMS5630 Bars, Rod, Wire and Forgings

 

440C is a 400 series stainless steel, and is the highest carbon content from 400 stainless steel series. 
It is usually heat treated to reach hardness of 5860 HRC. It is a bearing steel, 
and used in rolling contact stainless bearings, e.g. ball and roller bearings. 
It is also used to make knife blades. 440C can be oil quenched to achieve maximum hardness.

 

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.

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