API 5CT N80 Petroleum Casing Pipe

API 5CT N80 Petroleum Casing Pipe

API 5CT Specification for Casing and Tubing ISO 11960: 2004,Petroleum and natural gas industries-Steel pipes for use as casing tubing for wells Sizes: Outside Diameter: 1.660"-30" Grades: H40,J55,K55,N80,N80Q,L80,C90,C95,T95,P110,Q125,SS95,SS110,9%CR,13%CR Some of the OCTG casing...

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API 5CT Specification for Casing and Tubing

ISO 11960:2004,Petroleum and natural gas industries-Steel pipes for use as casing tubing for wells

Sizes: Outside Diameter: 1.660"-30"

Grades: H40,J55,K55,N80,N80Q,L80,C90,C95,T95,P110,Q125,SS95,SS110,9%CR,13%CR

Some of the OCTG casing tubing available for your company’s requirements include:
General drill pipes, casing tubing conforming to API standards for oil field and deep well drilling

API H40 casing tubing – general purpose pipes conforming to API specification 5CT

API J55 general purpose pipes for casing tubing applications, similar to specification K55 with lower minimum tensile strength conforming to API specification 5CT

API K55 general purpose pipes used primarily in casings conforming to API specification 5CT

API L80 casing tubing conforming to API specification 5CT with a controlled yield strength with hardness test requirement of 23 HRC maximum; usually used in wells with sour (H2S) environments or deep sour wells

API N80 or N80 Q&T (Quench and Tempered) – general purpose pipe manufactured to API specification 5CT

API Normalized N80 – lower-cost alternative to standard Q&T N80; pipe walls less than 0.500 inch; inspections, testing and dimensions are in accordance with API 5CT for grade N80. Charpy v-notch impact test absorbed energy results conform to API SR16 and are lower Q&T N80

API C90 – an API controlled yield strength grade (25.4 HRC maximum) generally used in sour condensate wells; with required extensive hardness testing, SSCC testing per NACE Standard TM-0177-Method A; minimum threshold stress required is 80% of specified minimum yield strength

API C95 – same strength range as T95 and U. S. Steel C95,but without a hardness requirement; generally not used in sour wells

API T95 – API controlled yield strength grade (25.4 HRC maximum),the same as API C95 and U. S. Steel C95; generally for use in sour condensate wells; extensive hardness testing is required including SSCC testing per NACE Standard TM-0177-Method A; minimum threshold stress required is 80% of specified minimum yield strength

API P110 – generally used in deep wells; this grade is not suitable for most sour condensate wells

API Q125 – API grade for deep well service, generally not for use in sour condensate wells; quadrant hardness testing is required (no specified hardness limits other than the variation between readings); impact testing required for each heat and/or lot; typically EMI and UT NDT inspections are required

Connections:

STC (short round thread casing)

LTC (long round thread casing)

BTC (buttress thread casing)

XL (extreme-line casing)

Premium Connections

VAM,VAMTOP,NEW VAM

And almost any premium & gas tight connection

Length: Range 1,Range 2 & Range 3:

Applicable Tests: See our Standard Inspection Scope

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 Eighth Edition

Additional Third Party Inspection can also be performed on request.

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