Finland · SFS

1.7201

SFS EN 10263-3

Chemical composition

wt% · log scale
0.010.1110C0.1 – 0.15Cr0.9 – 1.2Cu0.25Mn0.6 – 0.9Mo0.15 – 0.25P0.025S0.025Si0.3
  • min – max range
  • typical value

Mechanical properties

value range by condition
Tensile strength Rm500 MPabars, wire +U+C+AC, > 2 <= 5 mmTensile strength Rm480 MPabars, wire +U+C+AC, > 5 <= 40 mmTensile strength Rm520 MPabars, wire +U+C+AC+LC, > 5 <= 40 mmTensile strength Rm500 MPabars, steel bars +AC, > 5 <= 40 mm

Chemical composition

ElementminmaxSimilarRemarks
C0.10.15
Cr0.91.2
Cu0.25
Mn0.60.9
Mo0.150.25
P0.025
S0.025
Si0.3A lower silicon content or a specific silicon range may be agreed at the time of ordering.

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
bars, wire +U+C+AC, > 2 <= 5 mm500
bars, wire +U+C+AC, > 5 <= 40 mm480
bars, wire +U+C+AC+LC, > 5 <= 40 mm520
bars, steel bars +AC, > 5 <= 40 mm500
bars, -+FP, > 5 <= 40 mmHB 135–185

Heat treatment

Type1
Heat-treatment curveHardness-Tempering
Heat-treatment curveCCT
Heat-treatment curveHardenability