Grade 18Cr2Ni2MoH
China ISC A50185
Corresponding Standard GB /T 5216-2014
Structural Steels Specified Hardenability Bands
Classification Alloy Steel
18Cr2Ni2MoH Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo O
Minimum Value 0.15 0.17 0.5 - - 1.5 1.4 - 0.25 -
Maximum Value 0.21 0.37 0.9 0.03 0.035 1.8 1.7 0.25 0.35 0.002
18Cr2Ni2MoH Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Annealing or High-Temperature Tempering ≤229
Approximate Comparison Table Hardenability Guaranteed Structural Steel
China International Organization for Standardization European Standard
GB ISO EN Numerical Grade
18Cr2Ni2MoH 18CrNiMo7-6 18CrNiMo7-6 1.6587

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