Casing & Tubing
Casing & Tubing
Standard：
API SPEC 5CT Standard of American Petroleum Institute Steel Grade:
J55, K55, N80, L80, N80-1, N80Q P110 etc．Diamensional 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 codes Models of steel tubes Tensite strength（MPa） Yield strength（MPa） Elongation（％） Hardness
API SPEC 5CT J55 ≥517 379～552 check the table
K55 ≥517 ≥655
N80 ≥689 552～758
L80(13Cr) ≥655 552～655 ≤241HB
P110 ≥862 758～965
Другие товары поставщика
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Jar Intensifier |
Jar Intensifier Type YJQ
Jar Intensifier Type YJQ is designed on the principle of compressible fluid. It is used in conjunction with Fishing Jar T... |
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стол бурового ротора Rotary Table |
Design Features：
Gear and pinion are made of alloy steel
Split main bushing is steel cast. Kelly drive and slip drive are available for choose.
S... |
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Spider |
The Hinged Casing Spider
It has a hinged spider body with a split insert bowl. It is put above rotary table, can handle most casings of different... |
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Valves |
Check Valve
Usually used for Kill Manifold
The sealing face of core and seat is overlaying-welded with hard alloy with erosion and corrosion resi... |
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Traveling Block & Hook |
Design Features：
The housing assembly is made of thick section steel plate to provide enough weight.
The wire line is kept taut when hoisting or ... |
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