Global · Enterprise standard

KS40

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Chemical composition

wt% · log scale
0.0010.010.11C0.08Fe0.2H0.015N0.03O0.18
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2170–310 MPaTensile strength Rm≥240 MPaElongation A≥24 %Reduction of area Z≥30 %

Chemical composition

ElementminmaxSimilarRemarks
C0.08
Fe0.2
H0.015
N0.03
O0.18
Ti​​Bal​​​​Bal​​

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
steel tubes, annealed170–310≥240≥24≥30