... Standard MSS SP 97, Schedule SCH 40, PE Ends Weldolet, made of ASTM A106 GR.B, featured with 16x18 Inch ... F304 F316 with Threaded Ends, rating 3000#, 6000# Carbon Steel Sockolet Fittings, ASTM A105 Sockolets, Application in the petroleum, smelting, ... , paper making, chemical, and other fields, etc Carbon Steel Weldolet Fittings, Carbon Steel Olets, Application in petroleum, power, chemical, etc ...