Global · Enterprise standard

KS EL-F

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Chemical composition

wt% · log scale
0.0010.010.1110Al4 – 5C0.08 – 0.25Fe0.2 – 0.8H0.015N0.05O0.25Others each3.5 – 4.5
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥828 MPaTensile strength Rm≥895 MPaElongation A≥10 %Reduction of area Z≥20 %

Chemical composition

ElementminmaxSimilarRemarks
Al45
C0.080.25
Fe0.20.8
H0.015
N0.05
O0.25
Others each3.54.5Cr
Ti​​Bal​​

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
steel tubes, annealed≥828≥895≥10≥20