Pipe Fittings Material: A105,Q235,A234WPB Size: 1/2-- 80 inch. Certification ... our leading products are: Elbow,Tee,Reducer,Flange,Forge fittings and other pipefittings.2.Certification: ISO9000,ISO9001,CE,API3.Size ... ,Flange,Forge fittings. A106GRB/20#/20G/Q235pipe8.Special service: supply the auxiliary pipe for customer convenience in the same projectswith our fittings,shipment booking. Pipe fittings