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API 5CT K55 seamless steel casing is designed for oil and natural gas wells. It provides structural integrity to the wellbore, withstands external collapse pressure from rock formations and internal yield pressure from fluids/gas. Commonly used in oil boring operations.
| Material Grade | API 5CT | Standard | API 5CT |
| Thickness Range | Varies by OD (e.g., 4 1/2" - 20") | Width Range | N/A (Pipe) |
| Length Range | R1(6.10-7.32m), R2(8.53-9.75m), R3(11.58-12.8m) | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | Max 0.30% | Si | Max 0.30% |
| Mn | 0.80-1.20% | P | ≤0.030% |
| S | ≤0.030% | Yield Strength | ≥379 MPa |
| Tensile Strength | 552-655 MPa |
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