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Grade 9Mn2V
China ISC T28920
Corresponding Standard GB /T 1299-2025
Tool and Mould Steels
Classification Tool Steel
9Mn2V Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu V More
Minimum Value 0.85 - 1.7 - - - - 0.1 Cu+Ni≤0.55
Maximum Value 0.95 0.4 2 0.03 0.015 0.3 0.25 0.25
9Mn2V Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing ≤229
Specimen Quenching at 780-810°C, oil cooling HRC: ≥62
New and Old Grade Replacement List
Corresponding Standard Grade
GB /T 1299-2014
Grade
China ISC
Other Name
GB /T 1299-2025
Grade
China ISC
1 Approximate Comparison Table Plastic Mold Steel
China United States International Organization for Standardization Germany
GB ISC ASTM/AISI ISO DIN EN/DIN W-Nr.
9Mn2V T20019
(T20000) 		O2 90MnV2 90MnV 1.2842
2 Approximate Comparison Table Alloy Tool Steel
China United States Germany France United Kingdom
GB ASTM/AISI DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
9Mn2V O2 90MnV8 1.2842 90MV8 BO2
9Mn2V Corresponding Standards(Same grade name, different standards)
1 GB /T 1299-2014
9Mn2V T20019 T20000
2 GB /T 1299-2025
9Mn2V T28920

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