API 5CT R95 tubing is a type of petroleum casing used in the oil and gas drilling industry.
API 5CT R95 tubing implements API 5CT and technical agreement standards. Its chemical composition includes C, Si, Mn, P and S, and has specific tensile properties and impact energy requirements. This oil pipe is mainly used in petroleum casing, oil pipe, coupling processing, petroleum machinery drilling tools, equipment and other fields.
Grade: R95
Tolerance.
OD<114.3mm tolerance ±0.79
OD≥114.3mm tolerance -0.5% +1%
Thickness tolerance:-12.5%
Process manufacture:S or EW
Heat treatment: Q
API 5CT R95 Pipe Description
| Product Name | API-5CT R95 | |
|---|---|---|
| Size | O. D | 26.67-508mm |
| W. T | 2.87-16.13mm | |
| Length | R1(5.49-6.71m), R2(8.23-9.14m), R3(11.58-13.72m) | |
| Type of End Finish | 1.Plain end 2.Short round thread 3.Long round thread 4.Buttress thread | |
| Surface | 1.Black Painted 2.With oil 3.Bared or as per customers' requirement | |
| Standard | API 5CT | |
| Application | Tube for conveying gas, water, and oil in both and natural gas industries etc. | |
CHEMICAL COMPOSITION OF API 5CT R95 pipe
| Grade | Type | C | Mn | Mo | Cr | Ni max. | Cu max. | P max. | S max. | Si max. | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min. | max. | min. | max. | min. | max. | min. | max. | |||||||
| R95 | 1 | – | 0.45c | – | 1.9 | – | – | – | – | – | – | 0.03 | 0.03 | 0.45 |
| a) The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the wall thickness is less than 17.78 mm. b) The carbon content for R95 may be increased up to 0.55 % maximum if the product is oil-quenched. c) The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm. NL = no limit. Elements shown shall be reported in product analysis. | ||||||||||||||
MECHANICAL ANALYSIS OF API 5CT Oil Tubing
| API 5CT Casing Pipe Standard | API 5CT Casing Pipe Type | API 5CT Casing Pipe Tensile Strength | API 5CT Casing Pipe Yield Strength | Total Elongation under load % |
|---|---|---|---|---|
| MPa | MPa | |||
| API SPEC 5CT | 1 | ≥689 | 552 ~ 758 | 0.5 |






