Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Packaging Details | Be bundled by steel strap |
| Standard | API 5CT |
| Structure | Seamless |
| Alloy steel or not | Alloy steel |
| Steel grade | J55, K55, L80, N80, P110, P110-13CR |
| Size OD | 4 1/2"-20" |
| Technique | Hot-rolled |
| 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 | Structure | Seamless |
| Alloy steel or not | Alloy steel | Steel grade | J55, K55, L80, N80, P110, P110-13CR |
| Size OD | 4 1/2"-20" | Technique | Hot-rolled |
| Brand Name | Zhongshi | Model Number | 4 1/2"-20" |
| Certification | API 5CT, ISO, QHSE | Place of Origin | China |
| High Light | seamless steel casing pipes ，well casing pipe | ||
API Standard N80 and N80Q Seamless Casing Pipe With Size OD 4 1/2" To 20"
Descriptions of oil casing pipe:
Casing seamless pipe is mainly used for supporting the wall of the well during and after the drilling to
ensure the drilling process and the normal operation of the entire well after completion. The oil casing
pipe is the lifeline for maintaining the operation of the oil well.
Features:
1. Alloy steel pipe
2. Hot-rolled seamless pipe
Technical specification:
| Product Name | OCTG casing |
| Technique | Hot Rolled |
| Standard | API 5CT |
| Surface | Varnish |
| API 5CT Casing: Material: H40,J55,K55,N80-1,N80-Q,L80-1,L80-9Cr,L80-13Cr,C90,C95,T95,P110,Q125 Outside Diameter: 114.3-508mm Wall Thickness: 5.21-22.22mm Type of thread: STC,LTC,BTC, Length: 6-14m,R1,R2,R3,also can be manufactured by customers’ requirements | |
Mechanical Properties:
| steel grade | type | total elongation under load (%) |
yield strength (Mpa) |
tensile strength (Mpa) min | hardness max | ||
| min | max | HRC | HBW | ||||
| H40 | - | 0.5 | 276 | 552 | 414 | - | - |
| J55 | - | 0.5 | 379 | 552 | 517 | - | - |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - |
| M65 | - | 0.5 | 448 | 586 | 586 | 22 | 235 |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
| P110 | - | 0.6 | 758 | 965 | 862 | - | - |
Length range:
| Length range | Range 1 | Range 2 | Range 3 |
| Tubing | 6.10-7.32m | 8.53-9.75m | 11.58-12.80m |
| Casing | 4.88-7.62m | 7.62-10.36m | 10.36-14.63m |
| Pup joint | 2-20 feet 0.5-6m | ||
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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