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Line pipe






Transport oil, steam and water pumped out of the ground to the oil and gas industry enterprises through line pipes


22mm-356mm * 3mm-75mm

PSL2 tensile requirements

◎b:The maximum yield strength of the intermediate steel grade should be the maximum yield strength of the adjacent higher steel grade listed in the table

◎c:The maximum tensile strength of all intermediate steel grades is 758MPa

◎Due to the limitation of specifications, the maximum yield strength of Grade B steel tubes where longitudinal specimens must be used is 496MPa

◎When the wall thickness is greater than 25mm, the maximum yield strength shall be determined through negotiation