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4140 4330 Mod4340 / E-43404620 Vac. / AMS 62946150 Vac. / AMS 6448AISI 9310300mMARAGING 350MARAGING 300MARAGING 250

1.4125

Standards

Mat. No.
1.4125
EU
X105CrMo17
AISI/ASTM
440C
UNS
UNS S44004
Other
-
It belongs to the Martensitic stainless steel group.
It has high strength, hardness, and wear resistance after heat treatment. It can achieve hardness values of approximately 60 HRC.

Chemical Composition & Mechanical and Physical Properties

C%
0.95-1.20
Mn%
1.00 max
P%
0.040 max
S%
0.030 max
Si%
1.00 max
Cr%
16.00-18.00
Mo%
0.40-0.80

Application areas

In ball bearings,
In wedge gauges,
In molds,
In valve parts,
In knives and measuring equipment.
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