... 5)WT:1-160 mm ASTM A234 WPB carbon steel tee 1.Certificate:SGS,ISO,CCS,API 2 ... :SCH5S-SCH160,XS,XXS 4.best price TypePipe fitting--Tee1/2" to 48" or Non-Standard specification ... elbow, Tee, Reducer, Crosses, End capsMATERIALCarbon Steel Butt Welding Pipe fitting:ASTM A234 WPB,WPC, A105; A420 WPL6, ... , WP5, WP7, WP8, and WP91 Stainless Steel Butt Welding Pipe fitting:ASME A403 WP304,304L,316,316L, 319, 310S ...