pipe fittings competitive price with high quality quick delivery and various ... :1/2"-48"DN15-DN12002)STANDARD:ASME,JIS,DIN,GB pipe fitting Elbow1)Carbon steel fitting and alloy steel fitting2)Standard ... , 45-degree, 60degree. 90-degree, 180-degree6)Surface treatment: Transparent oil, rust-proof oil, hot galvanizing pipe fittings