United Kingdom · B.S.

PSL2 Grade X100QO

BS EN ISO 3183

Chemical composition

wt% · log scale
0.00010.0010.010.1110Al0.06B0.0005C0.14Cr0.55Cu0.5Mn1.85Mo0.8N0.012Nb0.06Nb+Ti+V0.15Ni0.6P0.02S0.01Si0.45Ti0.06V0.1
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2690–810 MPaTensile strength Rm760–960 MPa

Chemical composition

ElementminmaxSimilarRemarks
Al0.06Al totalAl total
B0.0005
C0.14For each reduction of 0.01% below the specified max. for CFor each reduction of 0.01% below the specified max. for C
CE PcmProduct analysis C<=0.12%Product analysis C<=0.12%
CEVSeamless pipe with t>20.00mmSeamless pipe with t>20.00mm
Cr0.55
Cu0.5
Mn1.85
Mo0.8
N0.012Al/N =>2:1;Not applicable to titanium-killed or titanium-treated steel.Al/N =>2:1;Not applicable to titanium-killed or titanium-treated steel.
Nb0.06
Nb+Ti+V0.15
Ni0.6
P0.02
S0.01
Si0.45
Ti0.06
V0.1

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
seamless or welded steel tube, quenched and tempered, d > 323.90mm, d690–810760–960 Rp0.2/Rm ratio max. 0.97