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SW and THD Union
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 SW UNION:

1) Type: pipe socket welding union, SW union
2) Size: 1/8"-4"
3) Varieties: 3000lb,6000lb,9000lb
4) Material: CS, AS, SS
 
 
1) Type: socket welding union , socket weld union , socket welded union(SW union),forged union , high pressure union, carbon steel SW union (CS SW union), mild steel SW union (MS SW union), alloy steel SW union (AS SW union), stainless steel SW union (SS SW union)…
2) Size: NPS 1/8"-4"
3) Varieties: 3000lb,6000lb,9000lb,SCH80,SCH160,XXS….
4) Material: carbon steel, alloy steel, stainless steel
5) Standred: ANSI/ASTM/ASME B16.11, JIS B2316, GB/T14383 ,SH3410, HG20634…
6) Surface treatment: Shot blasted, black painting, rust-proof oil, transparent oil, galvanizing,, hot galvanizing…
7) Trade term: FOB, CNF&CFR, CIF
8) Usage: Petroleum/ Power/ Chemical use/ Construction use/ Gas/ Metallury/ Shipbuilding
 
 
THD UNION:
1) Type: thread union
2) Size: 1/8"-4"
3) Varieties: 2000lb,3000lb,6000lb
4) Material: CS, AS, SS 
 
female/male thread, NPT/BSP/RC
 
1) Type: thread union , threaded union , screwed union(THDunion),forged union , high pressure union, carbon steel THD union (CS THD union), mild steel THD union (MS THD union), alloy steel THD union (AS THD union), stainless steel THD union (SS THD union)
2) Size: NPS 1/8"-4"
3) Varieties: 2000lb,3000lb,6000lb,SCH80,SCH160,XXS….
4) Material: carbon steel, alloy steel, stainless steel
5) Standred: ANSI/ASTM/ASME B16.11, JIS B2316, GB/T14383 ,HG20632…
6) Surface treatment: Shot blasted, black painting, rust-proof oil, transparent oil, galvanizing,, hot galvanizing…
7) Trade term: FOB, CNF&CFR, CIF
8) Usage: Petroleum/ Power/ Chemical use/ Construction use/ Gas/ Metallury/ Shipbuilding