Grade W9Mo3Cr4V
Corresponding Standard GB 9943-1988
High Speed Tool Steel Bars-Technical Requirement
Classification Tool Steel
W9Mo3Cr4V Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo W V
Minimum Value 0.77 0.2 0.2 - - 3.8 - - 2.7 8.5 1.3
Maximum Value 0.87 0.4 0.4 0.03 0.03 4.4 0.3 0.25 3.3 9.5 1.7
W9Mo3Cr4V Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing ≤255
Delivery condition Other Processing Methods ≤269
Sample (Box Furnace) Quenching and Tempering HRC
≥63
Sample (Salt Bath Furnace) Quenching and Tempering HRC
≥64
W9Mo3Cr4V Corresponding Standards(Same grade name, different standards)

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