International standard · ISO

PSL2 Grade X42Q

ISO 3183:2007 — Petroleum and natural gas industries. Steel pipe for pipeline transportation systems

Chemical composition

wt% · log scale
0.0010.010.1110C0.18CEV0.43Cr0.3Cu0.5Mn1.4Mo0.15Nb0.05Ni0.3P0.025S0.015Si0.45Ti0.04V0.05
  • min – max range
  • typical value

Mechanical properties

value range by condition
Impact energy Kv/Ku≥27 Jsteel tubes, OD <= 762 mmImpact energy Kv/Ku≥40 Jsteel tubes, OD: > 762 <= 2134 mmYield strength Rp0.2290–495 MPaTensile strength Rm415–760 MPasteel tubes, quenched and tempered, > 12.75 mm

Chemical composition

ElementminmaxSimilarRemarks
C0.18
CEV0.43CEIIW
Cr0.3
Cu0.5
Mn1.4
Mo0.15
Nb0.05
Ni0.3
P0.025
S0.015
Si0.45
Ti0.04
V0.05

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
steel tubes, OD <= 762 mm≥27 KV (0°C)
steel tubes, OD: > 762 <= 2134 mm≥40 KV (0°C)
steel tubes, quenched and tempered, > 12.75 mm290–495 Rp0415–760 Rp0