Grade 20CrMnMo
Corresponding Standard GB /T 3078-2019
Quality structural steel cold drawm bars
Classification Alloy Steel
20CrMnMo Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing, Bright Annealing, High-Temperature Tempering or Normalizing and Tempering ≤229
Delivery condition Cold Drawing, Cold Drawing and Polishing ≤269
Approximate Comparison Table structural alloy steel
China Japan South Korea United States Russia
GB ISC JIS KS ASTM/AISI GOST
20CrMnMo A34202 SCM421 SCM421 4119 18ХГМ

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