Grade 20CrS4
Corresponding Standard ISO 683-18-2014
Heat-treatable Steels, Alloy Steels and Free-Cutting Steels - Part 18: Bright Steel Products
Classification Alloy Steel
20CrS4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu
Minimum Value 0.17 0.15 0.6 - 0.02 0.9 -
Maximum Value 0.23 0.4 0.9 0.025 0.04 1.2 0.4
20CrS4 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
16<t≤100 +A+ peeled (+A+SH) ≤197
16<t≤100 +FP+cold drawn (+FP+C) 140~240
1 Approximate Comparison Table Structural Alloy Steel
International Organization for Standardization European Standard
ISO EN Numerical Grade
20CrS4 20CrS4 1.7028
2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
International Organization for Standardization European Standard
ISO EN Numerical Grade
20CrS4 20CrS4 1.7028

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