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Help CenterOil Well Drilling Casing Pipes/alloy Steel Tubes Sizes
Related Products
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2 7/8" J55 Seamless Oil Steel Pipe/steel Tube TubingNegotiableMOQ: 50 Metric Tons -
Oil Well Tubing,oil and Gas Casing,hot Rolled API Alloy Steel PipesNegotiableMOQ: 10 Metric Tons
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API J55/K55 Oil Tubing Pipes Specification in Hot SaleNegotiableMOQ: 5 Metric Tons
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Hot Rolled Seamless API Standard K55 Oil Tubing DistributorNegotiableMOQ: 5 Metric Tons
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Oilfield Services API 5CT Tubing Pipe/steel Tube Pipe ManufacturersNegotiableMOQ: 5 Metric Tons
Specifications
P: Plain endS: Short round thread
L: Long round thread
B: Buttress thread
Standard: API SPEC 5CT Standard.
Usage: Seamless steel tubes for oil casing and tubing in oil and gas well. Tubing is mounted in the production casing after the oil well is dig and cemented, it is seamless pipe to transport oil gas to ground surface.
Steel grade: J55, K55, N80, L80, C90, T95, P110, Q125
Size: 4 1/2"~20"
Length: R1/R2/R3
Dimensional tolerances:
Types of steel tubes | Outer diameter | Wall thickness | |
Cold-rolled tubes | Tube sizes(mm) | Tolerances(mm) | Tolerances(mm) |
<114.3 | ±0.79 | -12.5% | |
≥114.3 | -0.5%, +1% | ||
Mechanical properties:
Standard | Models of steel tubes | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Hardness |
API SPEC 5CT | J55 | ≥517 | 379~552 | check the table | ≤241HB |
K55 | ≥517 | ≥655 | |||
N80 | ≥689 | 552~758 | |||
L80(13Cr) | ≥655 | 552~655 | |||
P110 | ≥862 | 758~965 |
Chemical Composition:
Standard | Models of steel tubes | Chemical compositions (%) | ||||||||||
C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Als | ||
API SPEC 5CT | J55K55 (37Mn5) | 0.34~ 0.39 | 0.2~ 0.35 | 1.25~ 1.5 | ≤0.02 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 |
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| ≤0.02 |
N80 (36 Mn2V) | 0.34~ 0.38 | 0.2~ 0.35 | 1.45~ 1.7 | ≤0.02 | ≤0.015 | ≤0.15 |
|
|
| 0.11~ 0.16 | ≤0.02 | |
L80 (13Cr) | 0.15~ 0.22 | ≤1.0 | 0.25~ 1.0 | ≤0.02 | ≤0.010 | 12.0~ 14.0 | ≤0.20 | ≤0.20 |
|
| ≤0.02 | |
P110 (30CrMo) | 0.26~ 0.35 | 0.17~ 0.37 | 0.40~ 0.7 | ≤0.02 | ≤0.010 | 0.8~1.1 | ≤0.20 | ≤0.20 | 0.15~ 0.25 | ≤0.08 | ≤0.02 | |
Note: Also we can supply you pup joint and coupling (coupling stock and coupling blank) for tubing and Casing, as well as for weld pipe.
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