Key Specifications / Features

Model No.: DB-OCTG-34 Hits: 107

China K55 OCTG Casing Manufacturer Derbo offers K55 OCTG Casing, API 5CT, W.T 11.5 lb/ft, Length Range 3, 5 inch, and BTC Ends.
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Detail Information

Type: OCTG Casing.
Material: K55.
Size: 5 Inch.
W.T: 11.5 lb/ft.
Length: RANGE 3.
Standard: API Spec 5CT.
Ends: BTC.
 
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
K55 - - - - - - - - - - - 0.03 0.03 - 379 552 655    
 

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