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Grade HM33
AISI
American Iron and Steel Institute		 M33
Classification Tool Steel
HM33 Chemical Element Composition Content (%)
Component C Cr Mo W V Co
Nominal Value 0.95 4 9.5 1.8 1 8
HM33 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Steel: Quenching: 1180-1200°C
Tempering: 540-580°C		 HRC：65-68
Steel: Annealing HB：＜285
For cutting tools: HRC：65-67
Plastic forming tools use: HRC：60-64

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!