Grade C15R
European Standard Steel Grade 1.1140
Corresponding Standard EN 10084-2008
Case Hardening Steels - Technical Delivery Conditions
Classification Carbon Steel
C15R Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.12 - 0.3 - 0.02
Maximum Value 0.18 0.4 0.6 0.035 0.04
C15R Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
All product shapes Soft Annealing (+A) ≤143
Flat steel Normalizing (+N) 95~150
1 Approximate Comparison Table Non-Alloy Surface Hardening Steel
International Organization for Standardization European Standard
ISO EN Numerical Grade
C15R C15R 1.1140
2 Approximate Comparison Table Non-Alloy Surface Hardening Steel
International Organization for Standardization Germany France European Standard Sweden
ISO DIN EN/DIN NF EN/NF EN Numerical Grade SS
C15M2 Ck15
Cm15
XC12 C15R 1.1140 1370

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