Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Packaging Details | Be bundled by steel strap |
| Steel grade | K55/J55/N80/L80/P110 |
| Certificate | API 5CT |
| Application | Oil drilling |
| Technique | Hot-rolling |
| Material | Alloy steel |
| Original | China (mainland) |
| 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 |
| Steel grade | K55/J55/N80/L80/P110 | Certificate | API 5CT |
| Application | Oil drilling | Technique | Hot-rolling |
| Material | Alloy steel | Original | China (mainland) |
| Brand Name | Zhongshi | Model Number | 4 1/2"-20" |
| Certification | API 5CT, ISO, QHSE | Place of Origin | China |
| High Light | seamless steel casing pipes ，seamless drill pipe | ||
K55 Steel Grade Seamless Casing Pipe API 5CT Certified Pipe Used In Downhole
Description of casing pipe:
Casing pipe is the steel pipe to support the wall of oil & gas wells, which falls into surface casing,
protective casing and production casing.
Features:
1. Alloy steel pipe
2. Oil pipe
3. OD 4 1/2”-20”
Technical specification:
| Pipe | API 5CT steel casing pipe |
| OD | 4-1/2" ~ 20" |
| Steel grades | J55/K55/N80/L80/P110 |
| Threads | LTC,STC,BTC |
| Length | R1 (4.88mtr-7.62mtr) R2 (7.63mtr-10.36mtr) R3 (10.37mtr-14.63mtr) |
| Heat treatment | Normalized,Quencher+Temper |
Mechanical properties:
| Grade | Yield Strength | Tensile Strength | 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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