Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000Meters/month |
| Delivery Time | 25 work days |
| Packaging Details | Metal or wooden case |
| Standard | API 5CT |
| Material | Alloy steel |
| Weight (KG) | 650 |
| Features | API Low Pressure Filter Press |
| Processing Type | Hot rolled |
| Structure | Seamless |
| Steel Grade | K55/J55/N80/L80/P110 |
| Condition | New |
| color | Customized |
| corrosion resistance | Excellent |
| diameter | 1/2 inch |
| wall thickness | 0.170 inch |
| Brand Name | ZS |
| Model Number | 4 1/2"-20" |
| Certification | API |
| Place of Origin | China,Henan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000Meters/month |
| Delivery Time | 25 work days | Packaging Details | Metal or wooden case |
| Standard | API 5CT | Material | Alloy steel |
| Weight (KG) | 650 | Features | API Low Pressure Filter Press |
| Processing Type | Hot rolled | Structure | Seamless |
| Steel Grade | K55/J55/N80/L80/P110 | Condition | New |
| color | Customized | corrosion resistance | Excellent |
| diameter | 1/2 inch | wall thickness | 0.170 inch |
| Brand Name | ZS | Model Number | 4 1/2"-20" |
| Certification | API | Place of Origin | China,Henan |
Oilfield 13 3/8" Seamless Casing Pipe With Steel Grades K55 J55 N80 L80 P110
Casing pipes are essential for the construction of oil and gas wells as they provide vital support to the walls of the wellbore. There are three types of casing pipes: surface casing, protective casing, and production casing. These pipes play a critical role in ensuring the integrity and stability of the well.
| Production name | OCTG 11-3/4" API 5CT steel casing pipe |
| OD size (in) | 4-1/2" ~ 20" |
| Steel grade | J55/K55/N80/L80/P110 |
| Thread type | 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 of casing pipe:
| 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 | - | - | - |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
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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