Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Packaging Details | Be bundled by steel strap |
| Size OD | 4 1/2”-20" |
| Wall thickness | 2.87 - 16mm |
| Section shape | API 5CT |
| Technique | Hot rolled |
| Alloy or not | Alloy steel |
| Place of origin | China(mainland) |
| Brand Name | Zhongshi |
| Model Number | 1.05"-4 1/2" |
| 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 |
| Size OD | 4 1/2”-20" | Wall thickness | 2.87 - 16mm |
| Section shape | API 5CT | Technique | Hot rolled |
| Alloy or not | Alloy steel | Place of origin | China(mainland) |
| Brand Name | Zhongshi | Model Number | 1.05"-4 1/2" |
| Certification | API 5CT, ISO, QHSE | Place of Origin | China |
| High Light | oil casing pipe ，oil well tubing | ||
| Products | Casing, tubing, pup joints, couplings |
| Size Range(OD): | Tubing: 26.67-114.3mm |
| Casing:114.3-508.0mm | |
| Length range : | R1, R2, R3 |
| Standard: | API 5CT |
| Certification: | API 5CT, ISO9001, ISO14001,OHSMS18000 |
| Material: | H40,M65,J55,K55,N80,L80,L90,C90,T95,P110,Q125 |
| Type of thread: | STC,LTC,BTC,NU,EU |
| Testing: | Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test) Hydrostatic Test X-ray Test |
Mechanical properties:
| Grade | Yield Strength | Tensile Strenght | Hardness | Allowable | |||||
| Min | Max | Min | Max | Max | Hardness | ||||
| Psi | Mpa | Psi | Mpa | Psi | Mpa | HRC | BHN | Variation | |
| J55 | 55,000 | 379 | 80,000 | 552 | 75,000 | 517 | - | - | - |
| K55 | 55,000 | 379 | 88,000 | 552 | 95,000 | 655 | - | - | - |
| N80 | 80,000 | 552 | 110,000 | 758 | 100,000 | 689 | - | - | - |
| N80-1 | 80,000 | 552 | 95,000 | 655 | 95,000 | 655 | 23 | 241 | - |
| C90 | 90,000 | 621 | 105,000 | 724 | 100,000 | 689 | 25.4 | 255 | 3 |
| C95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | - | - | - |
| T95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | 25.4 | 255 | 3 |
| P110 | 110,000 | 758 | 140,000 | 965 | 125,000 | 862 | - | - | - |
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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