S1 tool steel is a shock-resisting steel. It performs excellently in cold and hot work shock applications.
Specifications:
UNS T41901, AISI S1, ASTM A681, QQ-T-570, ASTM S1, SAE J438
Applications:
Master hobs. piercers, forming tools, hand chisels, pneumatic tools, shear blades, mandrels, machine parts.