Changzhou Oilfield Petroleum Equipment Co., Ltd.
Changzhou Oilfield Petroleum Equipment Co., Ltd.
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Product Description
casing and tube coupling Information
Material :
Size :All kinds of sizes are available
Surface Treatment :
OEM :Our Engineering Team and Drawing Dept. Could design and make according your special requirements .
Export :90% products have been exported to American and European markets for many yeas.
Quality :Our products are adopted by top famous companies and quality is reliable .
Certification :ISO9001:2000
1.Perfect surface finish, smoothness without burs and impurities.
2.High precision according to standard
3.Competitive price and reliable quality
API Casing Coupling
| NPS: |
1. Tubing: 1.9”, 2-3/8”, 2-7/8”, 3-1/2”, 4”, 4-1/2” 2. Casing: 4-1/2”, 5”, 5-1/2” ------ 16”, 18-5/8”, 20” |
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OD: (mm) |
1. NU Tubing: 55.88-132.08 2. EU Tubing: 63.5-141.3 2. Casing: 127-533.4 |
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| Grade: | J55, K55, M65, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C90, C95, T95, P110, Q125 | |
| Standard: | API 5CT or Agreement | |
| Type: | Threaded | |