... of Casting or Forging Flanges Material:stainless steel, alloy steel, cast steel, pressure:0.1,0.25,0. ... etc.2.Material: Ductile iron, carbon steel, stainless steel or other alloy steel according to ASTM, DIN,JIS, EN, ... ISO, GB standards.3.Weight: It ranges from 1kgs to 6kgs4.Process: Casting/Forging+ Machining ... , DDU named place of destination steel weld neck flange