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New product, New market-Seamless pipes

Word:[Big][Middle][Small] Mobile page qrcode 2019/4/22     Viewed:    


Congratulations to Kingrail that develop a new product-Seamless pipes for new market-Russia.

Used for Oil drilling, seamless pipes meet API 5CT standard, L80 grade, with diameter for 200mm, spoken highly by customer.

L80 (Chemical Composition) as the following.

Sample①
Type

C

Si

Mn

P

S

Cr

Ni

Cu

Ti

Mo

V

Al

P

0.289

0.292

1.606

0.015

0.005

0.264

0.006

0.007

0.006

0.001

0.003

0.026

0.283

0.289

1.621

0.014

0.005

0.262

0.006

0.007

0.005

0.001

0.003

0.025

H

0.290

0.280

1.570

0.012

0.003

0.270

0.010

0.009

0.000

0.002

0.000

0.028

TensileTest(Longitudinal)

Impact Test(J)

Hardness
Test
(HRC)

T.S
(MPa)

Y.S
(MPa)

E.L(%)

Dimension

(±3℃)
Temperature

0℃

       
Average

1

2

3

726

594.9

26

55*10*10-T

165

155

165

161

19.1

20.8

737

602.1

26

 

 

 

 

19.0

/

Manufacture Progress:

900t metal mixer-80tOxygen top and bottom blowing converter-80t LG+VD-R10.5mArc continuous casting machine-Fine-Inspection-Raw material-Heating-Rolloing and Hole-Accuroll-High-pressure water phosphorus removal-Micro tension reduction machine-Cooling-Straightening-Cutting-Cleaning-MT-Drilling-Inspection-Package

Heating Treatment as per API standard such as Normalizing-Normalizing+Tempering-Queching-Normalizing, combining the above production progress, L80 seamless pipes play perfect role in connecting Casing and Tubing.

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