Factory Wholesale Large Diameter Welded Pipes - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral

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Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for Steel Butt Welding , Pipe Fitting And Welding , Gas Line Plumbing , Our company is dedicated to providing customers with high and stable quality products at competitive price, making every customer satisfied with our products and services.
Factory Wholesale Large Diameter Welded Pipes - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral Detail:

The Mechanical Properties of the SSAW pipe

steel grade

minimum yield strength
Mpa

minimum Tensile strength
Mpa

Minimum Elongation
%

B

245

415

23

X42

290

415

23

X46

320

435

22

X52

360

460

21

X56

390

490

19

X60

415

520

18

X65

450

535

18

X70

485

570

17

The Chemical composition of the SSAW pipes

steel grade

C

Mn

P

S

V+Nb+Ti

Max %

Max %

Max %

Max %

Max %

B

0.26

1.2

0.03

0.03

0.15

X42

0.26

1.3

0.03

0.03

0.15

X46

0.26

1.4

0.03

0.03

0.15

X52

0.26

1.4

0.03

0.03

0.15

X56

0.26

1.4

0.03

0.03

0.15

X60

0.26

1.4

0.03

0.03

0.15

X65

0.26

1.45

0.03

0.03

0.15

X70

0.26

1.65

0.03

0.03

0.15

The Geometric tolerance of the SSAW pipes

Geometric tolerances

outside diameter

Wall thickness

straightness

out-of-roundness

mass

Maximum weld bead height

D

T

≤1422mm

>1422mm

<15mm

≥15mm

pipe end 1.5m

full length

pipe body

pipe end

T≤13mm

T>13mm

±0.5%
≤4mm

as agreed

±10%

±1.5mm

3.2mm

0.2% L

0.020D

0.015D

‘+10%
-3.5%

3.5mm

4.8mm

Hydrostatic Test

product-description1

The pipe shall withstand the hydrostatic test without leakage through the weld seam or the pipe body
Jointers need not be hydrostatically tested, providedthat the portions of pipe used in marking the jointers were successfully hydrostatically tested prior to the joining operation.

Traceablity:
For PSL 1 pipe, the manufacturer shall establish and follow documented procedures for maintaining:
The heat identity until each related chmical tests is performed and conformance with the specified requirements is shown
The test-unit identity until each related mechanical tests is performed and conformance with the specified requirements is shown
For PSL 2 pipe, the manufacturer shall establish and follow documented procedures for maintaining the heat identity and the test-unit identity for such pipe. Such procedures shall provide means for tracing any length of pipe to the proper test unit and the related chemical test results.


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Factory Wholesale Large Diameter Welded Pipes - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral detail pictures


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Our company sticks into the basic principle of Quality is definitely the life of the business, and status may be the soul of it for Factory Wholesale Large Diameter Welded Pipes - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral , The product will supply to all over the world, such as: Azerbaijan, Dubai, Guatemala, Our mission is Provide Products with Reliable Quality and Reasonable Prices. We welcome customers from every corner of the world to contact us for future business relationships and achieving mutual success!
  • Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Chris Fountas from Romania - 2017.09.26 12:12
    With a positive attitude of regard the market, regard the custom, regard the science, the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Ruth from Barbados - 2017.10.23 10:29
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