Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe
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API coupling stock


Name:Couplings 
Std Ref:API 5CT 
Grade:J55,K55,N80,L80,C90,P110 
Type: NU, EU; STC,LC,BTC,special clearance

API coupling stock

 

Coupling Manufacturer of Tubing and Casing coupling according to API SPEC 5CT AND 5B    
     
API couplings for oil tubing and casing    
Size and Specifications    
Descriptions and size Type of Thread O.D*L(mm) Weight(kg)    
Tubing Coupling 2-3/8" NUE 73.02*107.95 1.28    
2-3/8" EUE 77.80*123.82 1.55    
2-7/8" NUE  88.90*130.18 2.34    
2-7/8" EUE 93.17*130.35 2.4    
3-1/2" NUE 107.95*142.88 3.17    
3-1/2" EUE 114.30*146.05 4.1    
4" NUE 120.65*146.05 4.35    
4" EUE 127.00*152.40 4.82    
4-1/2" NUE 132.08*155.58 4.89    
4-1/2" EUE 141.30*158.75 6.05    
Casing Coupling 4-1/2" STC 127.00*158.75 5.23    
4-1/2" LTC 127.00*177.80 4.15    
4-1/2" BTC 127.00*225.42 4.55    
5" STC 141.30*165.10 4.66    
5" LTC 141.30*196.85 5.75    
5" BTC 141.30*231.78 5.85    
5-1/2" STC 153.67*172.45 5.23    
5-1/2" LTC 153.67*203.20 6.42    
5-1/2" STC 153.67*234.95 6.36    
6-5/8" STC 187.71*184.15 9.12    
6-5/8" LTC 187.71*222.25 11.34    
6-5/8" STC 187.71*244.48 11.01    
7" STC 194.46*187.15 8.39    
7" LTC 194.46*228.60 10.83    
7" STC 194.46*254.00 10.54    
7-5/8" STC 215.90*190.50 12.3    
7-5/8" LTC 215.90*234.95 15.63    
7-5/8" STC 215.90*263.52 15.82    
8-5/8" STC 244.48*196.85 16.23    
8-5/8" LTC 244.48*254.00 21.67    
8-5/8" STC 244.48*269.88 20.86    
9-5/8" STC 269.88*196.85 18.63    
9-5/8" LTC 269.88*266.70 25.45    
9-5/8" STC 269.88*269.88 23.16    
10-3/4" STC 298.45*203.20 20.78    
10-3/4" STC 298.45*269.88 25.74    
11-3/4" STC 323.85*203.20 22.64    
11-3/4" BTC 323.85*269.88 28.03    
13-3/8" STC 365.12*203.20 25.66    
13-3/8" BTC 365.12*269.88 31.77    
     
1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110    
2.We also supply permium thread products by customer's request    
3.Size: tubing coupling from 1.9" to 4-1/2",Casing coupling fro4-1/2"to 13-3/8"  
4.Type: NU, EU(tubing coupling), STC,LC,BTC(casing coupling).     
5.Surface treatment: Whole phosphating, or inside phosphating and outside coating  
6.Packing: By carton, wooden case, wooden pallet, or by  requirements of customers 

 

 

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