Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

API 5CT steel casing pipe

1.Casing tubiing
2.Material:H40, J55, K55, N80, M65, L80, C90, P110
3.OD:4 1/2" - 13 3/8"
4.WT:0.205"-0.5"
5.Length:R1, R2, R3

API 5CT steel casing pipe

Product Name

API 5CT steel Casing pipe

Standard

API SPEC 5CT

Material

H40, J55, K55, N80, M65, L80, C90, P110

OD

4 1/2" - 13 3/8"(114.3-339.73mm)

WT

0.205"-0.5"(5.21-12.7mm)

Length

R1, R2, R3

Type of End Finish

BTC, LTC, STC

Quality

First Grade

Place of Orign

CHN

Mechanical Properties

 

Standard

Grade

Tensile strength (mpa)

Yield strength

(mpa)

hardness

API SPEC

5CT

J55

≥517

379~552

 

K55

≥517

≥655

 

N80

≥689

552~758

 

L80

≥655

552~655

≤241HB

P110

≥862

758~965

 

Tolerance

Steel kind

Outside Diameter

Wall

Thickness

Cold-Drawn

Pipe

O.D

Allowable

Deviation(mm)

Allowable

Deviation(mm)

114.3

+0.79

-0.79

-12.5%

≥114.3

-0.5%.+1%

Main Chemical Composition

Standard

 

Grade

Chemical composition

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

A1s

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

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

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

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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