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API 5CT Pipe

API 5CT Pipe

Standard
API SPEC 5CT
 
Application
Seamless steel tubes for oil casing and tubing in oil wells
 
Grade
J55, K55, N80-1, N80, L80, P110, C75-2, C95, C90, T95, Q125, with both API Connection of STC, LTC & BTC and Premium Connection of HSM, HSC & GT etc

 
      

Diamensional Tolerances

Outer diameter

Wall thickness

Tube sizes(mm)

Tolerances(mm)

Tolerances(mm)

below 114.3

+/- 0.79

+/- 12.5%

 

Mechanical Properties

Standard

Grade

Tensite strength (MPa)

Yield strength (MPa)

Elongation (%)

Hardness

API SPEC 5CT

J55

min 517

379-552

check the table

 

K55

min 517

min 655

 

N80

min 689

552-758

 

L80(13Cr)

min 655

552-655

max241HB

P110

min 862

758-965

 

 

Chemical Composition

Standard

Grade

Chemical Compositions (%)

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Al

API SPEC 5CT

J55K55

0.34
-0.39

0.20
-0.35

1.25
-1.50

max 0.020

max 0.015

max 0.15

max 0.20

max 0.20

 

 

max 0.020

(37Mn5)

N80

0.34
-0.38

0.20
-0.35

1.45
-1.70

max 0.020

max 0.015

max 0.15

 

 

 

0.11
-0.16

max 0.020

(36 Mn2V)

L80(13Cr)

0.15
-0.22

max 1.00

0.25
-1.00

max 0.020

max 0.010

12.0-14.0

max 0.20

max 0.20

 

 

max 0.020

P110

0.26
-0.35

0.17
-0.37

0.40
-0.70

max 0.020

max 0.010

0.80-1.10

max 0.20

max 0.20

0.15-0.25

max 0.08

max 0.020

(30CrMo)

Date:2012/12/26
Last:DIN 1.4418
Next:A335 Gr.P5 Pipe

 

 

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