Name:Coupling Pocess:Forged Type:full coupling ,half coupling, socket welding union, socket welded union, socket weld coupling, SW full/half coupling,forged full/half coupling, high pressure full/half coupling, carbon steel SW full/half coupling (CS SW full/half coupling), mild steel SW full/half coupling (MS SW full/half coupling), alloy steel SW full/half coupling (AS SW full/half coupling), stainless steel SW full/half coupling (SS SW full/half coupling)thread compling, threaded compling, screwed coupling, THD full/half coupling,forged full/half coupling, high pressure full/half coupling, carbon steel THD full/half coupling (CS THD full/half coupling), mild steel THD full/half coupling (MS THD full/half coupling), alloy steel THD full/half coupling (AS THD full/half coupling), stainless steel THD full/half coupling (SS THD full/half coupling) Connection: Socket Welding ,Threaded. Size: NPS1/2 " -8 " Pressure:2000lb,3000lb,6000lb,9000lb Standard: ANSI B16.11/MSS SP97/MSS SP95 MSS SP83/JIS 2316/GB-T14383/GB-T14626 Material:ST37.2,ST35.8,C22.5,ASTM A105,ASTM A694 F42/52/60/65/70/70,ASTM A350 LF2,A182 F5/ F11/F22,ASTM A182 F304/304L/F316/F316/F321/F310 SURFACE TREATMENT:Shot blasted, black painting, rust-proof oil, transparent oil, galvanizing, hot galvanizing. PACKING:plywood cases, pallets, nylon bags or according to the customers' requirements TRADE TERM:FOB, CNF&CFR, CIF PAYMENT:TT or L/C APPLICATION:Chemical industry, petroleum industry, construction industry, power industry, gas industry, shipbuilding ,domestic installation and other. CERTIFICATES:ISO-9001:2008 ORIGIN:Yanshan, Cangzhou, Hebei, China WEBSITE:www.qdfitting.com/www.qdfitting.cn