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7 YRS Xi'an Oulang Mechanical and Electrical Technology Co.,Ltd
Product Details
Couplings Oil and Gas for Oil Drilling
Couplings Oil and Gas Specification:
Seamless Steel Coupling internally threaded cylider for joining two lengths of threaded pipe
We have all grade of API standard for thread also.
| Item Type | Casing coupling | Tubing coupling |
| Specification | 4-1/2", 5", 5-1/2", 6-5/8", 7", 7-5/8", 8-5/8", 9-5/8", 10-3/4", 11-3/4", 13-3/8", 16", 18-5/8", 20" | 1.9", 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2" |
| Steel grade | J55, K55, L80, N80, P110 | J55, L80, N80 |
| Thread type | STC, LTC, BTC | EUE, NUE |
Couplings Oil and Gas MECHANICAL PROPERTIES:
API Grade | Min Yield Strength | Min Tensile | Max Tensile | |||
Mpa | Psi | Mpa | Psi | Mpa | Psi | |
K | 414 | 60000 | 621 | 90000 | 793 | 115000 |
C | 414 | 60000 | 621 | 90000 | 793 | 115000 |
D | 586 | 85000 | 793 | 115000 | 965 | 140000 |
H | 793 | 115000 | 965 | 140000 | 1195 | 173000 |
Couplings Oil and Gas TECHNICAL PARAMETERS:
Size | Rod OD in | Thread OD In | Length of Pin mm | Length of Wrench mm | Width of Wrench mm | Length of Rod mm |
5/8 | 5/8 | 15/16 | 31.75 | = 31.8 | 22.20 | 2 / 4 /6 / 8 /10/25/30 |
3/4 | 3/4 | 1-1/16 | 36.50 | = 31.8 | 25.40 | 2 / 4 /6 / 8 /10/25/30 |
7/8 | 7/8 | 1-3/16 | 41.28 | = 31.8 | 25.40 | 2 / 4 /6 / 8 /10/25/30 |
1 | 1 | 1-3/8 | 47.63 | =38.1 | 33.30 | 2 / 4 /6 / 8 /10/25/30 |
1-1/8 | 1-1/8 | 1-9/16 | 53.98 | =41.3 | 38.10 | 2 / 4 /6 / 8 /10/25/30 |
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