Grade 20MoCr4
1.7321
Corresponding Standard NF EN 10084-2008
Surface hardened structural steel
Classification Alloy Steel
20MoCr4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.17 - 0.7 - - 0.3 0.4
Maximum Value 0.23 0.4 1 0.025 0.035 0.6 0.5
20MoCr4 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Steel Processed to a Certain Shearability (+S) ≤255
Steel Softening Annealing (+A) ≤207
Steel Processed to a specific hardness (+TH) 156~207
Processed to Ferrite-Pearlite Structure (+FP) 140~187

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