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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" | 
| Thickness: | 5.21-22.22mm | 
| Application: | Oil drilling | 
| Technique: | Hot-rolled | 
| Material: | Alloy steel | 
| Secondary or not: | Non-secondary | 
| Country of origin: | China (mainland) | 
| Company Info. | 
| Puyang Zhongshi Group Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
OCTG Seamless Casing Pipe Alloy Steel And Oil Pipe Size OD 4
1/2"-20"
Oil casing descriptions:
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. Alloy steel seamless pipe
2. Size OD 4 1/2”-20”
Technical specification:
| Product Name | Oil casing pipe | 
| Diameter | 4 1/2" - 20" | 
| Steel Grade | J55/ K55, N80-1, N80Q, L80,C90, T95, P110 | 
| Ends | PE, STC, LTC, BTC, EU,IEU, , Top, New | 
| Certificate | API 5CT | 
Mechanical properties:
| 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 | - | - | - | 

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