... 2"~80" material:SS and alloy certificate:ANSI,ASME,DIN,JIS,API packing: plywood pipe reducing tee /carbon steel hybrid ... DN15 - DN2000)Wall thicknessSch5-Sch160XXSStandardANSI,ASME GB, SH,HG, MSS,JIS,DIN, APIMaterial1) Carbon Steel: ASTM A234WPB, WPC; ASTM A420 WPL9 ... production process are made under the ISO9001:2000 strictly. china ANSI ASME DIN JIS API stainless steel Pipe reducing tee/pipe fitting