... ~2220mm W.T: 6~18mm MAT:Material: X42/X46/X56/X60/X80/X100 STD:Standard: API 5L Grade: PSL1 / PSL2 TypeApplicationStandardMaterialalloy steel ... oxygen,water and oilAPI 5LA,B,X42,X46,X52,X56,X60,X65,X70,X80ERW STEEL PIPEUsed in general structure stents, low ...