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PM-HSS S390 for Involute Gear Hob and Gear Hobber Cutter

2023-07-08 11:37:36 jiangxingTools 352

PM-HSS S390 for Involute Gear Hob and Gear Hobber Cutter

This grade is PM steels with many positive usage properties, S390 is with good red hardness, compressive strength and wear resistance.

Chemical composition: C-1.64, Cr-4.8, Mo-2.0, V-4.80, W-10.40, Co-8

Standards of PM-HSS 

Hanrdess of S390: HRC 66-68

The application of PM-HSS S390 is used for involute gear hobs, gear hobber cutter, gear hobbing tools, chain sprockt hob, worm wheel hobs and gear shaper cutters.