Features:carbon steel pipe fitting. Material:carbon steel . Size:1/2"-48"(DN15-DN600). Standard:ANSI, ASTM,MSS, JIS,DIN,EN BUTT WELDED FITTINGSProduction Name45 ... GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , API , BV , SGS, LOIYDApplications range: Petroleum, chemical, power, gas ... to 60” ScheduleSCH STD, XS, XXS, SCH 10 ~ SCH 160Material Code:1 CARBON STEELASTM A105, ASTM A350 LF1/ LF2/LF3, ...