Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

api 5ct casing pipe


1,api 5ct pipe/oilfield pipe

2,by API 5CT/ISO11960
3,Steel grade: H40, J55, K55, N80, L80, P110, C90, C95, T95, Q125 
4,Anti-corrosion treatment

 

API 5CT Casing Pipe

· OCTG from 1.050" to 20'' + respective couplings

· API Grades from H40 to P110

 

Sizes:

Outside Diameter: 4.1/2" - 20",

Directly we produce pipes by the specifications: OD: 2.1/2”-12" × WT4.5-55MM.Other parts among OD: 0.125-48 INCH × WT: from1.24-59.54MM will be supplied indirectly through local cooperative associations based

on excellent quality.

Length:Range 1, Range 2 & Range 3:

 

api 5ct casing pipe

 

Standards:

API Specification 5CT

ISO 11960, Petroleum and natural gas industries-Steel pipes for use as casing for wells

 

Grades:

H40, J55, K55, N80, P110

 

Connections:

 

· BTC (buttress thread casing)

· NUE (non-upset tubing)

· EUE (external upset tubing)

· STC (short round thread casing)

· LTC (long round thread casing)

 

Commodity

API 5CT K55 Oil Casing Pipe

Material

J55,K55,N80,L80,C90,C95,P110

Steel Type

Outside Diameter

(mm)

Tolerance

(mm)

Wall Thickness(Tolerance)

(mm)

Cold Drawn Pipe

<114.3

±0.79

 

-12.5%

 

≥114.3

-0.5%,+1%

Chemical Composition

(K55)

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Als

0.34-0.39

0.20-0.35

1.25-1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.20

 

 

≤0.020

Mechanical

Property

Tensile Strength(Mpa)

Yeild Strength(Mpa)

≥517

≥655

Application

Oil casing pipe is mainly used in Oil,Gas drilling and Oil,Gas Transport

Protection:

External bare and uncoated or externally coated with black/ transparent anti rust Mill varnish

Plastic or Metal Pin and Box Protectors.

Internal plastic coating or sleeves.

Mill Test Certificates:

Issued in accordance with API Specification 5CT

Additional Third Party Inspection can also be performed on request.

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