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Tubing and Casing Coupling


Product:  Casing and Tubing Coupling, Casing Coupling, Tubing Coupling
Application:   Used for connect 2 joints of tubing or casing
Size: Tubing Coupling : 1.9'' -  4-1/2''
Casing  Couping :  4-1/2'' - 13-3/8''
Pipe Standard:   API 5CT and 5B PSL1/PSL2  J55,K55,N80-1,N80-Q,
 API 5CT and 5B L80-1,C90, C95,T95, P110, Q125
Surface: Whole Phosphating or inside phosphating and outside coating
Thread:  NUE, EUE, VAM, STC, LTC, BTC, XC, VAM TOP, NEW VAM,HYDRILL CS
Special Service  Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156
Packing:  By carton, wooden case, wooden pallet or requirement of customer


Tubing Coupling 
Tubing coupling specifications OD mm  Min length mm Weight kg
NU EN NU EN NU EN
1 8/9 55.88 63.50 93.25 98.42 0.56 0.84
2 3/8 73.02 77.80 107.95 123.82 1.28 1.55
2 7/8 88.90 93.17 130.18 133.35 2.34 2.40
3 1/2 107.95 114.30 142.88 146.05 3.71 4.10
4.00 120.65 127.00 146.05 152.40 4.35 4.82
4 1/2 132.08 141.30 155.58 158.75 4.89 6.05



Casing Coupling
Size Thread Type O.D & Length (mm) Weight for each (kgs)
4-1/2" STC 127.00 * 158.75 5.23
LTC 127.00 * 177.80 4.15
BTC 127.00 * 225.42 4.55
5" STC 141.30 * 165.10 4.66
LTC 141.30 * 196.85 5.75
BTC 141.30 * 231.78 5.85
5-1/2" STC 153.67 * 171.45 5.23
LTC 153.67 * 203.20 6.42
BTC 153.67 * 234.95 6.36
6-5/8" STC 187.71 * 184.15 9.12
LTC 187.71 * 222.25 11.34
BTC 187.71 * 244.48 11.01
7" STC 194.46 * 184.15 8.39
LTC 194.46 * 228.60 10.83
BTC 194.46 * 254.00 10.54
7-5/8" STC 215.90 * 190.50 12.30
LTC 215.90 * 234.95 15.63
BTC 215.90 * 263.52 15.82
8-5/8" STC 244.48 * 196.85 16.23
LTC 244.48 * 254.00 21.67
BTC 244.48 * 269.88 20.86
9-5/8" STC 269.88 * 196.85 18.03
LTC 269.88 * 266.70 25.45
BTC 269.88 * 269.88 23.16
10-3/4" STC 298.45 * 203.20 20.78
BTC 298.45 * 269.88 25.74
11-3/4" STC 323.85 * 203.20 22.64
BTC 323.85 * 269.88 28.03
13-3/8" STC 365.12 * 203.20 25.66
BTC 365.12 * 269.88 31.77
16" STC 431.80 * 228.6 34.91
BTC 431.80 * 269.88 40.28
18-5/8" STC 508.00*228.60 51.01
BTC 508.00*269.88 62.68
20" STC 533.40*228.6 43.42
LTC 533.4*292.10 57.04
BTC 533.40*269.88 50.10



Packing & Delivery

Packing Details  : Packed on wooden pallet

Delivery Details : 3-30 days on receipt of prepayment(order confirmed)




                                                                Production Process


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at any time. Thanks in advance. Welcome! Email :info@united-steel.com

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