... , DIN 2616, DIN 2617, DIN 28011 stainless steel sch 10 pipe fittings HIGH-PRESSURE, MEDIUM-PRESSURE,LOW-PRESSURE, CARBON STEEL, ALLOY ... , WP321, WP347, WP347HDIN: ST37.00, ST35.8, ST45.8, S235JR, P235GH, P265GH, 10CrMo910,15CrMo, 12Cr1moVJIS: JIS G3454, STPG370, STPG410SEAMLESS FITTINGS DIMENSIONELBOWS ... are 105 staffs including 5 senior engineers.] stainless steel sch80 pipe fittings