Grade 18CrMoS4
1.7244
Corresponding Standard NF EN 10084-2008
Surface Hardened Structural Steel
Classification Alloy Steel
18CrMoS4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.15 - 0.6 - 0.02 0.9 0.15
Maximum Value 0.21 0.4 0.9 0.025 0.04 1.2 0.25
18CrMoS4 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Steel Softening Annealing (+A) ≤207
Steel Processed to a specific hardness (+TH) 156~207
Steel Processed to Ferrite-Pearlite Structure (+FP) 140~187

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