martensitic grade W.-nr. 1.4037 ( DIN X65Cr13 ), it's a 13% chromium stainless steel, applied in the manufacturing of razor blades, surgical scalpels, specialty blades. It's also defined as stainless blade steel strip or razor blade steel.
after suitable heat treatment, it achieves HRC 57 above.
Chemical composition %
W.-nr. 1.4037 ( DIN X65Cr13 )
0.58 ~ 0.70
12.50 ~ 14.50
* modified chemical composition by agreement.
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