Description:
It is a martensite type stainless steel. Its chemical composition is stable and reliable , and it is a stainless steel with high chromium content .
Material old grade: 4Cr13, new grade: 40Cr13
(Corresponding to Us UNS: 420J2, US SAE: 420, German DIN: 1.4031, European EN: X39Cr13)
Chemical composition content:
C:0.36-0.45 Si:≤0.60 Mn:≤0.08 S:≤0.030 P:≤0.040 Cr:12.00-14.00 (Ni:≤0.60)
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