ERW/HFW
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Standard API 5L GR.B – X80 PSL1 PSL2
API 5CT H40 J55 K55 L80-1 N80 P110
ASTM A53 GR.A GR.B / A252 GR.1 GR.2 GR.3
EN10219 10210 10217 10255
S235JRH S275JRH S275J0H S275J2H S355J0H S355J2H S355K2H
P195GH P235GH P265GH S195T
BS1387
ISO65
JIS G3444 3445 3454 3452
STK290-STK540 STKM11A-STKM14C STPG370 STPG410
AS1163 1074
C250 C250LO C350 C350LO C450 C450LO
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Size Outside Diameter: 21.3-660mm
Wall Thickness 1.0-19.05mm