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Cobalt HSS

1 article covering Cobalt HSS. Every guide is written by the engineers who run the process, not by a marketing team.

W6Mo5Cr4V2, W6Mo5Cr4V2Co5 and W2Mo9Cr4VCo8 high-speed steel rotary dies
Die Material Selection6 min read

W6Mo5Cr4V2 vs W6Mo5Cr4V2Co5 vs W2Mo9Cr4VCo8: Choosing High-Speed Steel for Rotary Dies

W6Mo5Cr4V2, W6Mo5Cr4V2Co5 and W2Mo9Cr4VCo8 cover 90% of rotary die orders, yet they are often specified by habit rather than data. This guide compares hardness, red hardness, toughness, grindability and cost, then maps each grade to the die types it actually suits.

Jul 10, 2026Read article →

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#High Speed Steel#Material Selection#Rotary Die#W2Mo9Cr4VCo8#W6Mo5Cr4V2#W6Mo5Cr4V2Co5#1.2379#440C equivalent#Anvil#Anvil Cylinder#Chipping#Cold-Work Tool Steel
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