Key Specifications / Features

Model No.: DB-OCTG-36 Hits: 189

China LTC OCTG Casing Manufacturer Derbo offers LTC OCTG Casing, API Spec 5CT, Material N80-Q, 7 Inch, length Range 3, W.T 25.3 lb/ft.
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Detail Information

Type: OCTG Casing.
Material: N80-Q.
Size: 7 Inch.
W.T: 25.3 lb/ft.
Length: RANGE 3.
Standard: API Spec 5CT.
Ends: LTC.
 
Item Tolerance
OD D<114.3mm ±0.79mm
D≥114.3mm +1%D
-0.5%D
WT   -12.50%
Weight Single Lengths +6.5%,-3.5%
Carload 18 144 kg (40 000 lb) or more  -1.75%
Carload less than 18 144 kg (40 000 lb)  – 3,5 % 
 
Chemical Composition and Mechanical Property 
Steel Grade Type  Chemical components Mechanical performance Hardness
Max.
C Mn Mo Cr Ni(Max) Cu(Max) P(Max) S(Max) Si(Max) Yield strength
(MPa)
Tensile strength
(MPa)
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. HRC HBW
N80 Q - - - - - - - - - - 0.03 0.03 - 552 758 689 - -
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