AISI O1 Steel Round Bar Sheet Plate, DIN 1.2510, JIS SKS3

O1 steel also is called DIN 1.2510 and JIS SKS3 steel. High content for manganese, chromium and tungsten in 1.2510 steel composition, that could increase the hardening ability. Then the steel does not need to undergo water quenching. After oil cooling and quenching, the hardness could reach 62HRC. O1 tool steel round bar sheet plate was used widely as a cold work mold steel. It is a great material for the blade, metal molds and etc.

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O1 Steel Grade Equivalent Chart

Country  USA Germany/UK/France JAPAN
Standard ASTM A681 DIN EN ISO 4957 JIS G4404
Grades O1 1.2510/100MnCrW4 SKS3

Certificate & SGS Report

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