Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Packaging Details | Be bundled by steel strap |
| Standard | API 5CT |
| Thickness | 5.21 - 22.22mm |
| Section shape | Round |
| Place of origin | China (mainland) |
| Application | Oil drilling |
| Technique | hot-rolled |
| Alloy or not | Alloy steel |
| Secondary or not | Non-secondary |
| Brand Name | Zhongshi |
| Model Number | 4 1/2"-20" |
| Certification | API 5CT, ISO, QHSE |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Packaging Details | Be bundled by steel strap |
| Standard | API 5CT | Thickness | 5.21 - 22.22mm |
| Section shape | Round | Place of origin | China (mainland) |
| Application | Oil drilling | Technique | hot-rolled |
| Alloy or not | Alloy steel | Secondary or not | Non-secondary |
| Brand Name | Zhongshi | Model Number | 4 1/2"-20" |
| Certification | API 5CT, ISO, QHSE | Place of Origin | China |
| High Light | seamless drill pipe ，well casing pipe | ||
Oil casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas
wells or wellbore.
It is inserted into the well bore and cemented in the well, protect both subsurface formations and the
wellbore from collapsing, allow drilling fluid to circulate in it and extraction to take place.
| Product Name | OCTG gas oil well pipe |
| Usage: | Tubing is used to extracting petroleum and natural gas from a well. Casing serves as wells of a well. |
| Production Type : | Seamless steel pipe, welding steel pipe |
| Parts: | Casing, coupling ,thread protector |
| Size Range(OD): | 4 1/2”-20” |
| Length range : | R1, R2, R3 |
| Standard: | API 5CT |
| Material: | H40, M65,J55, K55, N80,L80, L90,C90,T95,P110 |
| API type thread: | STC,LTC,BTC |
| Surface Treatment: | Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement. |
| Testing: | Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. |
| Customized Size: | Non-standard size can be customized as per customer's request. |
Mechanical properties:
| Standard | Steel grade | Tensil Strength(Mpa) | Yeild Strength(Mpa) | Elongation(%) |
| API 5CT | J55 | ≥517 | 379~552 | 0.5% |
| API 5CT | K55 | ≥655 | 379~552 | 0.5% |
| API 5CT | N80 | ≥689 | 552~758 | 0.5% |
| API 5CT | L80 | ≥655 | 552~655 | 0.5% |
| API 5CT | P110 | ≥862 | 758~965 | 0.6% |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
5 million-10 million
Employee Number:
570~600
Ecer Certification：
Verified Supplier
Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o... Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o...
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