Factory Cheap Hot DSAW Pipes - Cold Formed Pipes, EN10219 S235JRH, S235J0H, S355JRH, S355J0H – Spiral

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We insist over the principle of development of 'High top quality, Performance, Sincerity and Down-to-earth working approach' to supply you with exceptional services of processing for China SAWH Pipes , CE Certification Helical Seam Pipe , Astm A252 Grade 3 Yield Strength , Together with our efforts, our products have won the trust of customers and been very salable both here and abroad.
Factory Cheap Hot DSAW Pipes - Cold Formed Pipes, EN10219 S235JRH, S235J0H, S355JRH, S355J0H – Spiral Detail:

Mechanical Property

steel grade

minimum yield strength
Mpa

Tensile strength

Minimum elongation
%

Minimum impact energy
J

Specified thickness
mm

Specified thickness
mm

Specified thickness
mm

at test temperature of

<16

>16≤40

<3

≥3≤40

≤40

-20℃

0℃

20℃

S235JRH

235

225

360-510

360-510

24

-

-

27

S275J0H

275

265

430-580

410-560

20

-

27

-

S275J2H

27

-

-

S355J0H

365

345

510-680

470-630

20

-

27

-

S355J2H

27

-

-

S355K2H

40

-

-

Chemical Composition

Steel grade

Type of de-oxidation a

% by mass, maximum

Steel name

Steel number

C

C

Si

Mn

P

S

Nb

S235JRH

1.0039

FF

0,17

1,40

0,040

0,040

0.009

S275J0H

1.0149

FF

0,20

1,50

0,035

0,035

0,009

S275J2H

1.0138

FF

0,20

1,50

0,030

0,030

S355J0H

1.0547

FF

0,22

0,55

1,60

0,035

0,035

0,009

S355J2H

1.0576

FF

0,22

0,55

1,60

0,030

0,030

S355K2H

1.0512

FF

0,22

0,55

1,60

0,030

0,030

a. The deoxidation method is designated as follows:

FF: Fully killed steel containing nitrogen binding elements in amounts sufficient to bind available nitrogen (e.g. min. 0,020 % total Al or 0,015 % soluble Al).

b. The maximum value for nitrogen does not apply if the chemical composition shows a minimum total Al content of 0,020 % with a minimum Al/N ratio of 2:1, or if sufficient other N-binding elements are present. The N-binding elements shall be recorded in the Inspection Document.

Hydrostatic Test

Each length of pipe shall be tested by the manufacturer to a hydrostatic pressure that will produce in the pipe wall a stress of not less than 60% of the specified minimum yield strength at room temperature. The pressure shall be determined by the following equation:
P=2St/D

Permissible Variations In Weights and Dimensions

Each length of pipe shall be weighed separately and its weight shall not vary more than 10% over or 5.5% under its theoretical weight, calculated using its length and its weight per unit length
The outside diameter shall not vary more than ±1% from the specified nominal outside diameter
Wall thickness at any point shall not more than 12.5% under the specified wall thickness


Product detail pictures:

Factory Cheap Hot DSAW Pipes - Cold Formed Pipes, EN10219 S235JRH, S235J0H, S355JRH, S355J0H – Spiral detail pictures

Factory Cheap Hot DSAW Pipes - Cold Formed Pipes, EN10219 S235JRH, S235J0H, S355JRH, S355J0H – Spiral detail pictures

Factory Cheap Hot DSAW Pipes - Cold Formed Pipes, EN10219 S235JRH, S235J0H, S355JRH, S355J0H – Spiral detail pictures

Factory Cheap Hot DSAW Pipes - Cold Formed Pipes, EN10219 S235JRH, S235J0H, S355JRH, S355J0H – Spiral detail pictures


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  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Mildred from Zimbabwe - 2017.06.25 12:48
    This company has the idea of better quality, lower processing costs, prices are more reasonable, so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Karen from Kenya - 2017.11.12 12:31
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