Finland · SFS

PSL2 Grade X56MO

SFS EN ISO 3183

Chemical composition

wt% · log scale
0.00010.0010.010.1110Al0.06B0.0005C0.12CE Pcm0.21Cr0.5Cu0.5Mn1.65Mo0.5N0.012Nb0.08Nb+Ti+V0.15Ni0.5P0.02S0.01Si0.45Ti0.04V0.06
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2390–540 MPaTensile strength Rm490–760 MPa

Chemical composition

ElementminmaxSimilarRemarks
Al0.06Al total
B0.0005
C0.12For each reduction of 0.01% below the specified max. for C
CE Pcm0.21Product analysis C≤0.12%
Cr0.5
Cu0.5
Mn1.65
Mo0.5
N0.012Al/N≥2:1;Not applicable to titannium-killed or titanium-treated steel.
Nb0.08
Nb+Ti+V0.15
Ni0.5
P0.02
S0.01
Si0.45
Ti0.04
V0.06

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
seamless or welded steel tube;d > 323.90 mm, thermomechanically rolled390–540 Rp0.5490–760 Rp0.5/Rm ratio min.0.93