The API coupling for tubing and casing pipes
Coupling
Size：1.315”-20”
Steel Grade：J55,K55,N80,L80,D10,P110,80S, 110S, Q125, L80-13Cr/ 13Cr etc;
Thread Type：NUE,EUE,SC,LTC,BTC and all kinds of premium connection and high performance thread etc;
Standard：API 5CT & API 5B
Surface : phosphating, Blackening, Zinating, Nitriding, sandblasting, copper plating and so on.
Packing: wooden case, carton cases, wooden pallets.
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The API coupling for tubing and casing pipes |
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Size and Specifications For Tubing and Casing Couplings |
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Description and size |
Type of Thread |
O.D*L(mm) |
Weight(kg) |
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Tubing Coupling |
1.050 |
NUE |
33.35*80.96 |
0.23 |
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1.050 |
EUE |
42.16*82.55 |
0.38 |
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1.315 |
NUE |
42.16-82.55 |
0.38 |
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1.315 |
EUE |
48.26*88.90 |
0.57 |
|
|
1.660 |
NUE |
52.17*88.90 |
0.59 |
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1.660 |
EUE |
58.88*95.25 |
0.68 |
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1.900 |
NUE |
55.88*95.25 |
0.56 |
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1.900 |
EUE |
63.50*98.42 |
0.84 |
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|
2-3/8” |
NUE |
73.02*107.95 |
1.28 |
|
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2-3/8” |
EUE |
77.80*132.82 |
1.55 |
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2-7/8” |
NUE |
88.90*130.18 |
2.34 |
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2-7/8” |
EUE |
93.17*133.35 |
2.40 |
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3-1/2” |
NUE |
107.95*142.88 |
3.71 |
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3-1/2” |
EUE |
114.30*146.05 |
4.10 |
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4” |
NUE |
120.65*146.05 |
4.35 |
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4” |
EUE |
127.00*152.40 |
4.82 |
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4-1/2” |
NUE |
132.08*155.58 |
4.89 |
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4-1/2” |
EUE |
141.30*158.75 |
6.05 |
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Casing Coupling |
4-1/2” |
STC |
127.00*158.75 |
5.23 |
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4-1/2” |
LTC |
127.00*177.80 |
4.15 |
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4-1/2” |
BTC |
127.00*225.42 |
4.55 |
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5” |
STC |
141.30*165.10 |
4.66 |
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5” |
LTC |
141.30*196.85 |
5.75 |
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5” |
BTC |
141.30*231.78 |
5.85 |
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5-1/2” |
STC |
153.67*171.45 |
5.23 |
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5-1/2” |
LTC |
153.67*203.20 |
6.42 |
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5-1/2” |
BTC |
153.67*234.95 |
6.36 |
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6-5/8” |
STC |
187.71*184.15 |
9.12 |
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6-5/8” |
LTC |
187.71*222.25 |
11.34 |
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6-5/8” |
BTC |
187.71*224.48 |
11.01 |
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7” |
STC |
194.46*184.15 |
8.39 |
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7” |
LTC |
194.46*228.60 |
10.83 |
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7” |
BTC |
194.46*254.00 |
10.54 |
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7-5/8” |
STC |
215.90*190.50 |
12.30 |
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7-5/8” |
LTC |
215.90*234.95 |
45.63 |
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7-5/8” |
BTC |
215.90*263.52 |
15.82 |
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8-5/8” |
STC |
244.48*196.85 |
16.23 |
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8-5/8” |
LTC |
244.48*254.00 |
21.67 |
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8-5/8” |
BTC |
244.48*269.88 |
20.86 |
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9-5/8” |
STC |
269.88*196.85 |
18.03 |
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9-5/8” |
LTC |
269.88*266.70 |
25.45 |
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9-5/8” |
BTC |
269.88*269.88 |
23.16 |
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10-3/4” |
STC |
298.45*203.20 |
20.78 |
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10-3/4” |
BTC |
298.45*269.88 |
25.74 |
|
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11-3/4” |
STC |
323.85*203.20 |
22.64 |
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11-3/4” |
BTC |
323.85*269.88 |
28.03 |
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13-3/8” |
STC |
365.12*203.20 |
25.66 |
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13-3/8” |
BTC |
365.12*269.88 |
31.77 |
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16” |
STC |
431.80*228.6 |
34.91 |
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16” |
BTC |
431.80*569.88 |
40.28 |
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18-5/8” |
STC |
508.00*228.60 |
51.01 |
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18-5/8” |
BTC |
508.00*269.88 |
62.68 |
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20” |
STC |
533.40*228.6 |
43.42 |
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20” |
LTC |
533.4*292.10 |
57.04 |
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20” |
BTC |
533.40*269.88 |
50.10 |
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