Grade 12МХ
Corresponding Standard GOST 20072-1974
Heat-resistant steel specifications
Classification Alloy Steel
12МХ Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value 0.09 0.17 0.4 - - 0.4 - 0.4
Maximum Value 0.16 0.37 0.7 0.03 0.025 0.7 0.3 0.6
12МХ Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Steel Annealed,tempered or high-temperature normalized Diameter of a imprint ≥4.1mm
HB≤217

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