Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Packaging Details | Be bundled by steel strap |
| Material | Alloy steel |
| Steel grade | J55, K55, L80, N80, P110, P110-13Cr |
| Standard | API 5CT |
| Shape of section | Round |
| Size OD | 4 1/2"-20" |
| Application | Oil drilling |
| 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 |
| Material | Alloy steel | Steel grade | J55, K55, L80, N80, P110, P110-13Cr |
| Standard | API 5CT | Shape of section | Round |
| Size OD | 4 1/2"-20" | Application | Oil drilling |
| 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 | ||
Alloy Steel Grade J55 K55 L80 N80 P110 P11013Cr Seamless Casing Pipe In Oilfield
Oil casing descriptions:
Oil casing is a large diameter seamless pipe that is assembled and inserted into the drilled section of the
borehole and typically held into place with cement.
Puyang Zhongshi Group provide various seamless casing from 4-1/2’’-20’’ with steel grade J55,K55,N80,
L80,P110 etc. The Casing pipe length range is R1,R2,R3, with threads of BTC, LTC, STC.
According to the strength of steel, casing pipe steel can be divided into different steel grades. Different
steel grade is used in oil well with different well depth. In corrosive environment also requires the casing
itself has corrosion resistance. In the complicated geologic condition place also asked the casing
having a anti-collapse performance.
Features:
1. 4 1/2”-20” seamless casing
2. Hot rolled pipe
Technical specification:
| Outside Diameter | Wall Thickness | Grade | Thread | ||
| Inch | mm | kg/m | Ib/ft | ||
| 4 1/2'' | 114.3 | 14.14-22.47 | 9.50-15.10 | J55/K55/N80/L80/P110 | STC/LTC/BTC |
| 5'' | 127 | 17.11-35.86 | 11.50-24.10 | J55/K55/N80/L80/P111 | STC/LTC/BTC |
| 5 1/2'' | 139.7 | 20.83-64.14 | 14.00-43.10 | J55/K55/N80/L80/P112 | STC/LTC/BTC |
| 6 5/8'' | 168.28 | 29.76-47.62 | 20.00-32.00 | J55/K55/N80/L80/P113 | STC/LTC/BTC |
| 7'' | 177.8 | 25.30-84.98 | 17.00-57.10 | J55/K55/N80/L80/P114 | STC/LTC/BTC |
| 7 5/8'' | 193.68 | 35.72-82.30 | 24.00-55.30 | J55/K55/N80/L80/P115 | STC/LTC/BTC |
| 8 5/8'' | 219.08 | 35.72-72.92 | 24.00-49.00 | J55/K55/N80/L80/P116 | STC/LTC/BTC |
| 9 5/8'' | 244.48 | 48.07-112.51 | 32.30-75.60 | J55/K55/N80/L80/P117 | STC/LTC/BTC |
| 10 3/4'' | 273.05 | 48.74-126.94 | 32.75-85.30 | J55/K55/N80/L80/P118 | STC/LTC/BTC |
| 11 3/4'' | 298.45 | 62.50-105.66 | 42.00-71.00 | J55/K55/N80/L80/P119 | STC/LTC/BTC |
| 13 3/8'' | 339.73 | 71.43-107.15 | 48.00-72.00 | J55/K55/N80/L80/P120 | STC/LTC/BTC |
| 16'' | 406.4 | 96.73-162.21 | 65.00-109.00 | J55/K55/N80/L80/P121 | STC/LTC/BTC |
| 18 5/8'' | 473.08 | 130.22 | 87.5 | J55/K55/N80/L80/P122 | STC/LTC/BTC |
| 20'' | 508 | 139.89-197.93 | 94.00-133.00 | J55/K55/N80/L80/P123 | STC/LTC/BTC |
Mechanical Properties:
| Standard | Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | Hardness |
| API SPEC 5CT | J55 | ≥517 | 379~552 | 0.5 | |
| K55 | ≥655 | 379~552 | 0.5 | ||
| N80 | ≥689 | 552~758 | 0.5 | ||
| L80 | ≥655 | 552~655 | 0.5 | ≤241HB | |
| P110 | ≥862 | 758~965 | 0.5 |
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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