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Help CenterApi 5ct Octg N80q Steel Pipe Fitting Tubing&casing Couplings
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Henan Dongfanglong Machine Manufacture Co.,LTD was founded in 1999 and located at intersection of 106 National Highway and JIntian road,Puyang,Henan,Chian.We have over 15 years experience of producing,
developing and selling oil pipes and their accessories,steel pipe fittings and other down well tools.We can supply the related certifications for you as follow:
- ISO 9001 Quality control certificate
- API-5CT Certificate with the NO.5CT-0837
- API-7 Certificate with the No.7-0872
- API -5DP Certificate with the No.5DP-0135
The company has a fixed assets of over 570 million RMB,and is staffed with over 200 employees,almost hundred sets of accurate CNC lathes,auxiliary equipments and developed other machines and testing
equipments.Our own trademark has been registered and approved since february 2010.
If you are interested in anyone of them please contact us as soon as possible.
Below are the sizes of the api 5ct octg n80q steel pipe fitting tubing&casing couplings that we offer
non-upset tubing coupling Dimensions and masses
Tubing OD(in) |
Coupling OD (in-mm) |
Length (in-mm) |
Weight per coupling/Kg |
Package Quantity (piece) |
Package Weight/Kg
|
Teeth number per25.4mm of thread (piece) |
1.9 |
2.188-55.575 |
3.750-95.250 |
0.56 |
2900 |
1624 |
10 |
2 3/8 |
2.875-73.025 |
4.500-114.300 |
1.28 |
1512 |
1936 |
10 |
2 7/8 |
3.500-88.900 |
5.500-139.700 |
2.34 |
800 |
1872 |
10 |
3 1/2 |
4.250-107.950 |
5.625-142.875 |
3.71 |
502 |
1863 |
10 |
4 |
4.726-120.040 |
5.750-146.050 |
4.35 |
382 |
1662 |
10 |
4 1/2 |
5.200-132.080 |
6.500-165.100 |
4.89 |
252 |
1233 |
10 |
External-upset tubing coupling Dimensions and masses
Tubing OD (in) |
Coupling OD (in) |
Length (in) |
Weight per coupling/Kg |
Package Quantity (piece) |
Package Weight/Kg |
Teeth number per25.4mm of thread (piece) |
1.9 |
2.188 |
3.750 |
0.84 |
2800 |
2352 |
8 |
2 3/8 |
3.036 |
4.875 |
1.55 |
1444 |
2239 |
8 |
2 7/8 |
3.668 |
5.500 |
2.40 |
792 |
1901 |
8 |
3 1/2 |
4.500 |
5.750 |
4.10 |
448 |
1837 |
8 |
4 |
4.750 |
5.750 |
4.82 |
320 |
1543 |
8 |
4 1/2 |
5.563 |
6.500 |
6.05 |
252 |
1552 |
8 |
Short round thread casing couplings
|
Casing OD/in |
Coupling OD/in- mm |
Length/in-mm |
Weight per coupling/Kg |
Package Quantity Piece |
Package Weight/Kg |
Teeth nunmber per 25.4mm of thread(Piece) |
4 1/2 |
5.000-127.00 |
6.250-158.75 |
3.62 |
343 |
1242 |
8 |
5 |
5.563-141.30 |
6.500-165.1 |
4.66 |
210 |
979 |
8 |
5 1/2 |
6.050-153.67 |
6.750-171.45 |
5.23 |
216 |
1130 |
8 |
6 5/8 |
7.390-187.71 |
7.250-184.15 |
9.12 |
115 |
1049 |
8 |
7 |
7.875-200.03 |
7.250-184.15 |
10.88 |
120 |
1007 |
8 |
7 5/8 |
8.500-215.90 |
7.500-190.5 |
12.30 |
80 |
984 |
8 |
8 5/8 |
9.625-244.48 |
7.750-196.85 |
16.23 |
60 |
974 |
8 |
9 5/8 |
10.625-269.88 |
7.750-196.85 |
18.03 |
50 |
902 |
8 |
10 3/4 |
11.750-298.45 |
8.000-203.2 |
20.78 |
45 |
935 |
8 |
11 3/4 |
12.750-323.85 |
8.000-203.2 |
22.64 |
35 |
793 |
8 |
13 3/8 |
14.375-365.12 |
8.000-203.2 |
25.66 |
25 |
642 |
8 |
16 |
17.000431.8 |
9.000-228.6 |
34.91 |
20 |
698 |
8 |
18 5/8 |
20.000-508.0 |
9.000-228.6 |
54.01 |
12 |
648 |
8 |
20 |
21.000-533.4 |
9.000-228.6 |
43.42 |
12 |
520 |
8 |
Long round thread casing couplings
Casing OD(in) |
Coupling OD (in- mm) |
Length(in-mm) |
Weight per coupling/Kg |
Package Quantity Piece |
Package Weight (Kg) |
Teeth nunmber per 25.4mm of thread(Piece) |
4 1/2 |
5.000-127.00 |
7.000-177.8 |
4.15 |
294 |
1220 |
8 |
5 |
5.563-141.30 |
7.750-196.85 |
5.75 |
210 |
1208 |
8 |
5 1/2 |
6.050-153.67 |
8.000-203.2 |
6.42 |
180 |
1156 |
8 |
6 5/8 |
7.390-187.71 |
8.750-222.25 |
11.34 |
100 |
1083 |
8 |
7 |
7.875-200.03 |
9.000-228.6 |
13.92 |
100 |
1134 |
8 |
7 5/8 |
8.500-215.90 |
9.250-234.95 |
15.63 |
50 |
1250 |
8 |
8 5/8 |
9.625-244.48 |
10.000-254.0 |
21.67 |
48 |
1040 |
8 |
9 5/8 |
10.625-269.88 |
10.500-266.7 |
25.45 |
40 |
1018 |
8 |
Buttress thread casing couplings
Casing OD(in) |
Coupling OD (in-mm) |
Length(in-mm) |
Weight per coupling/Kg |
Package Quantity Piece |
Package Weight (Kg) |
Teeth nunmber per 25.4mm of thread(Piece) |
4 1/2 |
5.000-127.00 |
8.875-225.42 |
4.55 |
196 |
892 |
5 |
5 |
5.563-141.30 |
9.125-231.78 |
5.85 |
144 |
843 |
5 |
5 1/2 |
6.050-153.67 |
9.250-234.95 |
6.36 |
144 |
916 |
5 |
6 5/8 |
7.390-187.71 |
9.625-244.48 |
10.54 |
92 |
970 |
5 |
7 |
7.875-200.03 |
10.000-254.00 |
11.01 |
80 |
881 |
5 |
7 5/8 |
8.500-215.90 |
10.375-263.52 |
15.82 |
64 |
1013 |
5 |
8 5/8 |
9.625-244.48 |
10.625-269.88 |
20.86 |
48 |
1002 |
5 |
9 5/8 |
10.625-269.88 |
10.625-269.88 |
23.16 |
40 |
927 |
5 |
10 3/4 |
11.750-298.45 |
10.625-269.88 |
25.74 |
40 |
1030 |
5 |
11 3/4 |
12.750-323.85 |
10.625-269.88 |
28.03 |
36 |
1010 |
5 |
13 3/8 |
14.375-365.12 |
10.625-269.88 |
31.77 |
20 |
636 |
5 |
16 |
17.000-431.8 |
10.625-269.88 |
40.28 |
20 |
805 |
5 |
18 5/8 |
20.000-508.00 |
10.625-269.88 |
62.68 |
12 |
752 |
5 |
20 |
21.000-533.4 |
10.625-269.88 |
50.10 |
12 |
601 |
5 |
Send Inquiry to This Supplier
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