ANSI B16.47 32" Socket Welding Flange Shanxi Shuanglin Forging Co. Ltd Base Info Model NO.：serial A,BStandard：ANSI, DIN, JIS, GOST, BSW, APIType：Welding FlangeMaterial：Alloy SteelManufacturing Way：Forging Description Pre：China Stainless Steel Open Type Countersunk Head Blind Rivets Next：Stainless Steel Handrail Fitting
