... steel, stainless steel, Alloy steel MOQ:10tons 1) Name: A105 Socket welding flange2) Sizes: DN15~DN6003) Material: carbon steel4) Standard: BS ... drawings for special use5) Types: WN, SO, BL, Plate, Thread, Socket and etc6) Pressure Rating:Class 150,300,600,900,1500 ... inspection available upon requests12) More than 10 years experiences A105 Socket welding flange