France · AFNOR NF

S 300

NF A37-401

Chemical composition

wt% · log scale
0.010.1110C0.14Mn1 – 1.5P0.1S0.32 – 0.4Si0.03
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≤290 MPaTensile strength Rm≤430 MPaElongation A≤23 %

Chemical composition

ElementminmaxSimilarRemarks
C0.14
Mn11.5
P0.1
S0.320.4
Si0.03

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
bars, round bars, , <= 15 mm≤290≤430≤23