Grade Р9М5К5
Corresponding Standard GOST 19265-1973
Bars and Strips of High-Speed Steel. Specifications
Classification Tool Steel
Р9М5К5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo W V Co
Minimum Value 0.86 0.2 0.2 - - 3.8 - - 4.8 5.7 1.7 4.7
Maximum Value 0.94 0.5 0.5 0.03 0.03 4.3 0.6 0.25 5.3 6.7 2.1 5.2
Р9М5К5 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Indentation diameter≥3.7mm Annealed condition HB≤269
/ Quenching≥1230℃
Tempering≥550℃
HRC≥65

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