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Home Material GB /T 1299-2014
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Grade 3Cr2MnNiMo
China ISC T25553
Old Grade
Corresponding Standard GB /T 1299-2014
Tool and Mould Steels
Classification Tool Steel
3Cr2MnNiMo Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value 0.32 0.2 1.1 - - 1.7 0.85 0.25
Maximum Value 0.4 0.4 1.5 0.03 0.03 2 1.15 0.4
3Cr2MnNiMo Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing ≤235
Delivery condition Pre-Hard HRC
30~36
sample Quenching HRC
≥48
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.
SM3Cr2MnNiMo 3Cr2MnNiMo T25553 P20Ni 40CrMnNiMo 8-6-4 40CrMnNiMo 8-6-4 1.2738
3Cr2MnNiMo Corresponding Standards(Same grade name, different standards)
1 GB /T 1299-2014
3Cr2MnNiMo T25553 (T22024)
2 YB /T 095-2015
3Cr2MnNiMo
3 GB /T 35840.4-2020
3Cr2MnNiMo

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