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API 5CT seamless casing tubing is produced according to the API 5CT standard, available in grades J55, K55, N80, L80, and P110. It features various thread types (LC, SC, BC) and heat treatments (Normalized, Quenched & Tempered). Widely used in oil and gas wells to protect subsurface formations and wellbores from collapsing while allowing drilling fluid circulation.
| Material Grade | API 5CT | Standard | API 5CT |
| Thickness Range | 2.5-200 mm | Width Range | N/A (Pipe) |
| Length Range | 6-12 m (R1/R2/R3 available) | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | Varies by Grade | Si | Varies by Grade |
| Mn | Varies by Grade | P | ≤0.020 |
| S | ≤0.015 | Cr | Varies by Grade |
| Ni | Varies by Grade | Mo | Varies by Grade |
| Cu | Varies by Grade | V | Varies by Grade |
| Als | ≥0.020 | Yield Strength | See Grade Specifics |
| Tensile Strength | See Grade Specifics |
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