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
Other supplier products
|
|
Rotary Reamer |
Introduction:
Rotary Reamer is designed for various reams in drilling operation. Especially it can perform the double functions of centralization... |
|
|
DrawWorks |
The Single-shaft Electric Drawwork:
The drawwork is single-shaft with grooved drum structure, has less spare parts, small cubage, light weight co... |
|
|
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 ... |
|
|
Heavy Weight Drill Pipe |
Integral or Weld Heavy Weight Drill Pipe
Standard: API Spec 7
Specification: OD 3 1/2”, 4 1/2”, 5”, 5 1/2”
Material: AISI 4145H Alloy Steel and ... |
|
|
Heavy Weight Drill Pipe |
Heavy Weight Drill Pipe
Integral or Weld Heavy Weight Drill Pipe
Standard: API Spec 7
Specification: OD 3 1/2”, 4 1/2”, 5”, 5 1/2”
Material: AISI 4... |
All supplier products
Same products
