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Characteristics:1.Type: full coupling, half coupling, socket welding full/half coupling, socket weld full/half coupling (SW full/half coupling), forged full/half coupling, high pressure full/half coupling, carbon steel socket welding full/half coupling(CS SW full/half coupling), mild steel socket welding full/half coupling(MS SW full/half coupling), alloy steel socket welding full/half coupling(AS SW full/half coupling), stainless steel socket welding full/half coupling(SS SW full/half coupling)……
2.Size: NPS 1/2”-8” (DN15-200);
3.Varieties: 3000lb, 6000lb, 9000lb, SCH80, SCH160, XXS;
4.Material: carbon steel, alloy steel, stainless steel;
5.Standard: ANSI/ASTM/ASME B16.11, API 5L, JIS B2316, GB/T14383……
6.Surface treatment: shot blasted, black painting, rust-proof oil, transparent oil, galvanizing, hot galvanizing
7.Usage: petroleum, power, chemistry, construction, gas, metallurgy, shipbuilding.
