TermTechnicalODWTLengthStandardGrade 1SMLS hot-rolled Cold-drawn3"-18"SCH40-XXS6-12mASTMA106B A210C S355J2H DINSt45.8 St52 CK45 GB20# 45# Q345B API5L GR B X42 X52 2ERW SSAW LSAW8"-28"6-40mm6-12mASTMA53 A178 DINSt33 St35.8 St45.8 GBQ235 Q195 Q345B API5L GR B X42 X52 3Hot galvanized1/2"-10"2-12mm6-12mASTMA53 DINSt33 St45.8 GBQ235 Q195 45CT Casing and oil pipe2 3/8"-20"5.21-16.13mmR1,R2,R3API 5CTH40 J-55 K-55 N80 L80 P110 5Slotted Screen pipe2 3/8"-20"5.21-16.13mmR1,R2,R3API 5CTH40 J-55 K-55 N80 L80 P110 Produced according to the design