... SCH 10 TO SCH 160 XXSConnection Weld & ThreadStandard ANSI, JIS, DIN, EN, ISO, GB, SH AND HGMaterial Carbon, Stainless, AlloyCertificate API ... / pipes, API SPEC 5L pipes, MATERIALCarbon Steel Tubes/PipesST 37, ASTM A106 Gr B; A53, A210; API 5L X42, X46, X52 ... , X56, X60, X65, X70, X80 1"~48" ASTM A105 CARBON STEEL PIPE SEAMLESS