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| Categories | Seamless Casing Pipe | 
|---|---|
| Brand Name: | Zhongshi | 
| Model Number: | 4 1/2"-20" | 
| Certification: | API 5CT, ISO, QHSE | 
| Place of Origin: | China | 
| MOQ: | 1 metric ton | 
| Price: | Negotiable | 
| Payment Terms: | T/T, L/C | 
| Packaging Details: | Be bundled by steel strap | 
| Standard: | API 5CT | 
| Size OD: | 4 1/2"-20" | 
| Technique: | Hot rolled | 
| Section shape: | Round | 
| Material: | Alloy steel | 
| Secondary or not: | Non-secondary | 
| Application: | Oil drilling | 
| Country of origin: | China (mainland) | 
| Company Info. | 
| Puyang Zhongshi Group Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
API Spec 5CT Seamless Casing Pipe For Petroelum Industry In Hot
Sale
Descriptions of casing pipe:
1. Alloy steel seamless oil pipe
2. Size OD from 4 1/2”-20”
3. Length range R3
4. API thread type BTC LTC STC
Features:
1. 4 1/2”-20” seamless casing
2. Hot rolled pipe
Technical specification:
| Casing OD | 4 1/2" - 20" | 
| W.T. | 5.21-22.22 mm | 
| 14.14-197.93 kg/m | |
| Nominal weight | 9.5-133.0 Ib/ft | 
| Technique | Hot rolled | 
| Steel grade | J55, K55, M-65, N80, L80, C-95, N-80 Q , C-90, T-95, P-110 ect. | 
| Standard | API SPEC 5CT, ISO11960 | 
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 | - | -  | 

                                 
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