Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Packaging Details | Be bundled by steel strap |
| Standard | API 5CT |
| Wall thickness | 5.21-22.22mm |
| Steel grade | J55 K55 N80 L80 P110 |
| Processing | Hot-rolled |
| Material | Alloy steel |
| Place of origin | China (mainland) |
| Secondary or not | Non-secondary |
| Application | Oil industry |
| 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 | Wall thickness | 5.21-22.22mm |
| Steel grade | J55 K55 N80 L80 P110 | Processing | Hot-rolled |
| Material | Alloy steel | Place of origin | China (mainland) |
| Secondary or not | Non-secondary | Application | Oil industry |
| 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 | ||
Threaded And Coupled Seamless Casing Pipe L80 Alloy Steel Oil Tubulars
Oil casing descriptions:
Oil casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells
or wellbore.
It is inserted into the well bore and cemented in the well, protect both subsurface formations and the
wellbore from collapsing, allow drilling fluid to circulate in it and extraction to take place.
Features:
1. 4 1/2”-20” seamless casing
2. Hot rolled pipe
Technical specification:
| Size | Linear Mass lb/ft | Outside Diameter | Wall Thickness | Type of end-finish | ||||||
| inch | mm | inch | mm | Grade | ||||||
| J-55 K-55 | M-65 | L-80 C-95 | N-80 1,Q | P-110 | ||||||
| 4 1/2'' | 9.5 | 4.5 | 114.3 | 0.205 | 5.21 | PS | PS | - | - | - |
| 10.5 | 4.5 | 114.3 | 0.224 | 5.69 | PSB | PSB | - | - | - | |
| 11.6 | 4.5 | 114.3 | 0.25 | 6.35 | PSLB | PLB | PLB | PLB | PLB | |
| 13.5 | 4.5 | 114.3 | 0.29 | 7.37 | -- | PLB | PLB | PLB | PLB | |
| 15.1 | 4.5 | 114.3 | 0.337 | 8.56 | -- | - | - | - | PLB | |
| 5'' | 11.5 | 5 | 127 | 0.22 | 5.59 | PS | PS | - | - | - |
| 13 | 5 | 127 | 0.253 | 6.43 | PSLB | PSLB | - | - | - | |
| 15 | 5 | 127 | 0.296 | 7.52 | PSLB | PLB | PLB | PLB | PLB | |
| 18 | 5 | 127 | 0.362 | 9.19 | -- | PLB | PLB | PLB | PLB | |
| 21.4 | 5 | 127 | 0.437 | 11.1 | -- | PLB | PLB | PLB | PLB | |
| 23.2 | 5 | 127 | 0.478 | 12.14 | -- | - | PLB | PLB | PLB | |
| 24.1 | 5 | 127 | 0.5 | 12.7 | -- | - | PLB | PLB | PLB | |
| 5 1/2'' | 14 | 5.5 | 139.7 | 0.244 | 6.2 | PS | PS | - | - | - |
| 15.5 | 5.5 | 139.7 | 0.275 | 6.98 | PSLB | PSLB | - | - | - | |
| 17 | 5.5 | 139.7 | 0.304 | 7.72 | PSLB | PLB | PLB | PLB | PLB | |
| 20 | 5.5 | 139.7 | 0.361 | 9.17 | -- | PLB | PLB | PLB | PLB | |
| 23 | 5.5 | 139.7 | 0.415 | 10.54 | -- | PLB | PLB | PLB | PLB | |
| 26.8 | 5.5 | 139.7 | 0.5 | 12.7 | -- | - | - | - | - | |
| 29.7 | 5.5 | 139.7 | 0.562 | 14.27 | -- | - | - | - | - | |
| 32.6 | 5.5 | 139.7 | 0.625 | 15.87 | -- | - | - | - | - | |
| 35.3 | 5.5 | 139.7 | 0.687 | 17.45 | -- | - | - | - | - | |
| 38 | 5.5 | 139.7 | 0.75 | 19.05 | -- | - | - | - | - | |
| 40.5 | 5.5 | 139.7 | 0.812 | 20.62 | -- | - | - | - | - | |
| 43.1 | 5.5 | 139.7 | 0.875 | 22.23 | -- | - | - | - | - | |
| 6 5/8'' | 20 | 6.625 | 168.28 | 0.288 | 7.32 | PSLB | PSLB | - | - | - |
| 24 | 6.625 | 168.28 | 0.352 | 8.94 | PSLB | PLB | PLB | PLB | PLB | |
| 28 | 6.625 | 168.28 | 0.417 | 10.59 | -- | PLB | PLB | PLB | PLB | |
| 32 | 6.625 | 168.28 | 0.475 | 12.06 | -- | -- | PLB | PLB | PLB | |
| 7 3/4'' | 46.1 | 8.625 | 219.08 | 0.595 | 15.11 | - | - | P | P | P |
| 8 5/8'' | 24 | 8.625 | 219.08 | 0.264 | 6.71 | PS | PS | - | - | - |
| 28 | 8.625 | 219.08 | 0.304 | 7.72 | - | PS | - | - | - | |
| 32 | 8.625 | 219.08 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | |
| 36 | 8.625 | 219.08 | 0.4 | 10.16 | PSLB | PSLB | PLB | PLB | PSLB | |
| 8.625 | 219.08 | 0.45 | 11.43 | - | PLB | PLB | PLB | PLB | - | |
| 44 | 8.625 | 219.08 | 0.5 | 12.7 | - | - | PLB | PLB | PLB | |
| 49 | 9.625 | 244.28 | 0.557 | 14.15 | - | - | PLB | PLB | - | |
| 9 5/8'' | 32.3 | 9.625 | 244.48 | 0.312 | 7.92 | - | - | - | - | - |
| 36 | 9.625 | 244.48 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | |
| 40 | 9.625 | 244.48 | 0.395 | 10.03 | PSLB | PSLB | PLB | PLB | PLB | |
| 43.5 | 9.625 | 244.48 | 0.435 | 11.05 | - | PLB | PLB | PLB | PLB | |
| 47 | 9.625 | 244.48 | 0.472 | 11.99 | - | PLB | PLB | PLB | PLB | |
| 53.5 | 9.625 | 244.48 | 0.545 | 13.84 | - | - | PLB | PLB | PLB | |
| 58.4 | 9.625 | 244.48 | 0.595 | 15.11 | - | - | PLB | PLB | - | |
| 59.4 | 9.625 | 244.48 | 0.609 | 15.57 | - | - | - | - | - | |
| 64.9 | 9.625 | 244.48 | 0.672 | 17.07 | - | - | - | - | - | |
| 70.3 | 9.625 | 244.48 | 0.734 | 18.64 | - | - | - | - | - | |
| 75.6 | 9.625 | 244.48 | 0.797 | 20.24 | - | - | - | - | - | |
| 10 3/4'' | 32.75 | 10.75 | 273.05 | 0.279 | 7.09 | - | - | - | - | - |
| 40.5 | 10.75 | 273.05 | 0.35 | 8.89 | PSB | PSB | - | - | - | |
| 45.5 | 10.75 | 273.05 | 0.4 | 10.16 | PSB | PSB | - | - | - | |
| 51 | 10.75 | 273.05 | 0.45 | 11.43 | PSB | PSB | PSB | PSB | PSB | |
| 55.5 | 10.75 | 273.05 | 0.468 | 12.57 | - | PSB | PSB | PSB | PSB | |
| 60.7 | 10.75 | 273.05 | 0.545 | 13.84 | - | - | - | - | PSB | |
| 65.7 | 10.75 | 273.05 | 0.595 | 15.11 | - | - | - | - | PSB | |
| 73.2 | 10.75 | 273.05 | 0.672 | 17.07 | - | - | - | - | - | |
| 79.2 | 10.75 | 273.05 | 0.734 | 18.64 | - | - | - | - | - | |
| 85.3 | 10.75 | 273.05 | 0.797 | 20.24 | - | - | - | - | - | |
| 11 3/4'' | 42 | 11.75 | 298.45 | 0.333 | 8.46 | - | - | - | - | - |
| 47 | 11.75 | 298.45 | 0.375 | 9.53 | PSB | PSB | - | - | - | |
| 54 | 11.75 | 298.45 | 0.435 | 11.05 | PSB | PSB | - | - | - | |
| 65 | 11.75 | 298.45 | 0.534 | 13.56 | - | - | P | P | P | |
| 71 | 11.75 | 298.45 | 0.582 | 14.78 | - | - | P | P | P | |
| 13 3/8'' | 48 | 13.375 | 339.73 | 0.33 | 8.38 | - | - | - | - | - |
| 54.5 | 13.375 | 339.73 | 0.38 | 9.65 | PSB | PSB | - | - | - | |
| 61 | 13.375 | 339.73 | 0.43 | 10.92 | PSB | PSB | - | - | - | |
| 68 | 13.375 | 339.73 | 0.48 | 12.19 | PSB | PSB | PSB | PSB | PSB | |
| 72 | 13.375 | 339.73 | 0.514 | 13.06 | - | - | PSB | PSB | PSB | |
| 18 5/8'' | 87.5 | 18.625 | 473.08 | 0.435 | 11.05 | PSB | PSB | - | - | - |
| 20'' | 94 | 20 | 508 | 0.438 | 11.13 | PSLB | PSLB | - | - | - |
| 106.5 | 20 | 508 | 0.5 | 12.7 | PSLB | PSLB | - | - | - | |
| 133 | 20 | 508 | 0.635 | 16.13 | PSLB | - | - | - | - | |
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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