... lined steel pipe ASTM A519 50B40 50B44 50B46 50B50 50B60 51B60EN10208 EN 10210...ASTM A53 A106 A179...JIS G3429 JIS 3445...DIN 1630 DIN ... E730K2, C22E, C35E, C45E, C60E,38Mn6, 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4,42CrMo4, 36CrNiMo4, 30CrNiMo8,41NiCrMo7-3-2EN 10305-1 E215, E235, E355EN ... , 4028, 4037,4042, 4047, 4063, 4118, 4130,4135, 4137, 4140, 4142, 4145, 4147,4150, 4320, 4337, E4337, 4340,E4340, 4422 ...