Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Packaging Details | Be bundled by steel strap |
| Standard | API 5CT |
| Material | Alloy steel |
| Size OD | 4 1/2"-20" |
| Length | R3 |
| Processing | Hot-rolled |
| Secondary or not | Non-secondary |
| 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 | Material | Alloy steel |
| Size OD | 4 1/2"-20" | Length | R3 |
| Processing | Hot-rolled | Secondary or not | Non-secondary |
| 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 | ||
Oil Well Drilling Seamless Casing Pipe Hot Rolling Quality Alloy Steel Tube
Oil casing descriptions:
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. 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:
| 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 | - | - |
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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