Grade 3Cr2Mo
China ISC T25303
Other Names
Corresponding Standard GB /T 1299-2014
Tool and Mould Steels
Classification Tool Steel
3Cr2Mo Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.28 0.2 0.6 - - 1.4 0.3
Maximum Value 0.4 0.8 1 0.03 0.03 2 0.55
3Cr2Mo Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing ≤235
Delivery condition Pre-Hard HRC
28~36
sample Quenching HRC
≥52
1 Approximate Comparison Table Plastic Mold Steel
China United States International Organization for Standardization Germany
YB GB ISC ASTM/AISI ISO DIN EN/DIN W-Nr.
SM3Cr2Mo 3Cr2Mo T25303 P20 35CrMo2 40CrMnMo 7 1.2311
2 Approximate Comparison Table Alloy Tool Steel 2
China United States
GB ASTM
3Cr2Mo P20
3Cr2Mo Corresponding Standards(Same grade name, different standards)

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