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

 Description: Standard: API 5CT. Applications: Used for oil casing 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: O.D.: 6.0∼1200mm; W.T.: 1∼150mm; L: 5.8m; 11.8m; 12m or above. Modified specifications...
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

Description:

Standard: API 5CT.

Applications: Used for oil casing 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: O.D.: 6.0∼1200mm; W.T.: 1∼150mm; L: 5.8m; 11.8m; 12m or above. Modified specifications according to customer requirements.

Technology: Hot Rolled, Cold Drawn & Cold Rolled.

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

0.51


Mechanical Properties

Standard codes

Models of steel tubes

Tensite strengthMPa

Yield strengthMPa

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

Related Products
Feedback

Copyright © Jiangsu Jinguan Special Steel Pipe Co. Ltd. All rights reserved.Tel: +86-510-8358 6478