Grade 20MnCrS5
European Standard Steel Grade 1.7149
Corresponding Standard EN 10084-2008
Case Hardening Steels - Technical Delivery Conditions
Classification Alloy Steel
20MnCrS5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.17 - 1.1 - 0.02 1
Maximum Value 0.22 0.4 1.4 0.025 0.04 1.3
20MnCrS5 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Semifinished products, bars Processed to a Certain Shearability (+S) ≤255
All product shapes Soft Annealing (+A) ≤217
Bar, wire, flat steel, forging Processed to a Certain Hardness (+TH) 170~217
Bar, forging Processed to Ferrite-Perlite Structure (+FP) 152~201
Flat steel Normalizing (+N) 140~201
1 Approximate Comparison Table Structural Alloy Steel
International Organization for Standardization European Standard
ISO EN Numerical Grade
20MnCrS5 20MnCrS5 1.7149
2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
International Organization for Standardization European Standard
ISO EN Numerical Grade
20MnCrS5 20MnCrS5 1.7149

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