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API 5CT seamless steel casing and tubing pipes are produced according to the API 5CT standard. Widely used in cementing projects as structural retainers for oil and gas well walls, they protect subsurface formations and wellbores from collapsing while allowing drilling fluid circulation. Available in grades J55, K55, N80, L80, and P110 with various thread connections (STC, LTC, BTC, XC).
| Material Grade | API 5CT | Standard | API 5CT |
| Thickness Range | 1.0mm-30 mm | Width Range | N/A (Pipe) |
| Length Range | max 12m | 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 | Yield Strength | Varies by Grade |
| Tensile Strength | Varies by Grade |
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