API SPEC 5CT H40 J55 K55 M65 N80-1 N80Q R95 L80-1 C90-1 T95-1 C110 P110 Q125-1 material Oil steel Casing Tube Pipe

API SPEC 5CT H40 J55 K55 M65 N80-1 N80Q R95 L80-1 C90-1 T95-1 C110 P110 Q125-1 material Oil steel Casing Tube Pipe can be used to stabilize oil wells to ensure smooth operation of the well. We can also design and produce stainless steel casing and tubing for our customers.
Product description

Product description:

API SPEC 5CT H40 J55 K55 M65 N80-1 N80Q R95 L80-1 C90-1 T95-1 C110 P110 Q125-1  material  Oil steel Casing  Tube  Pipe can be used to stabilize oil wells to ensure smooth operation of the well. We can also design and produce stainless steel casing and tubing for our customers. API SPEC 5CT H40 J55 K55 M65 N80-1 N80Q R95 L80-1 C90-1 T95-1 C110 P110 Q125-1  material  Oil steel Casing  Tube  Pipe uses hot rolled coil steel and is automatically submerged arc welded at normal temperature. All pipes are produced to a certain standard. API SPEC 5CT H40 J55 K55 M65 N80-1 N80Q R95 L80-1 C90-1 T95-1 C110 P110 Q125-1  material  Oil steel Casing  Tube  Pipe is mainly used in the oil and gas industry to transport flammable and non-flammable liquids and steel structures. For special pipe finishing processes, we have a complete industrial production unit, so our product has been processed to ensure its high quality.

Product specifications:

Standard: API 5CT.

Application: For oil casings and tubing in oil wells.

Available steel grades: H40 J55 K55 M65 N80-1 N80Q R95 L80-1 C90-1 T95-1 C110 P110 Q125-1.

Specifications: outer diameter: 6.0 ~ 1200mm; WT: 1 ~ 150mm; L: 5.8 meters; 11.8 meters; 12 meters or more. Modify the specifications according to customer requirements.

Technology: hot rolling, cold rolling and cold rolling.

Dimension Tolerance:

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


Chemical Composition:

Standard codes

Models of steel tubes

Chemical compositions(%)

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Als

API SPEC 5CT

J55K55 (37Mn5)

0.34~0.39

0.20~0.35

1.25~1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.20



≤0.020

N80 (36 Mn2V)

0.34~0.38

0.20~0.35

1.45~1.70

≤0.020

≤0.015

≤0.15




0.11~0.16

≤0.020

L80(13Cr)

0.15~0.22

≤1.00

0.25~1.00

≤0.020

≤0.010

12.0~14.0

≤0.20

≤0.20



≤0.020

P110 (30CrMo)

0.26~0.35

0.17~0.37

0.40~0.70

≤0.020

≤0.010

0.80~1.10

≤0.20

≤0.20

0.15~0.25

≤0.08

≤0.020

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