API 5L X52 X70 Spiral Welded Steel Pipe Double Submerged Arc Welding

Place of Origin China
Brand Name Best
Certification API /CE / ISO /TUV
Model Number 1/2'' -48''
Minimum Order Quantity 1 TONS
Price 450 USD/TON
Packaging Details 1) In bundle with strip; 2) First packing by plastic bag then strip; Details packing please see the picture in the detial description.
Delivery Time Shipped in 25 days after payment
Payment Terms L/C, T/T
Supply Ability 100000 Ton/Year

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Product Details
Standard API 5L Grade X 52, X60, X65, X70
Technique E155, E190, E195, E22 Finish SAWH
Keyword SAWL (longitudinal Welding) Inspection WELDED PIPES
Surface Barded /Painting
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erw mild steel pipe

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Product Description

Production Information : API 5L X 52, X60, X65, X70 WELDED PIPES AND TUBES (ERW, EFW, DSAW)

 

Welded pipe sizes and dimensions

Welded pipes are used especially for pipeline constructions and for larger dimensions in the process plants; any specifications and qualities are part of our supply program.

For example, we supply carbon steel pipes for pipeline projects throughout the world according to:

  • API 5L X 52, X60, X65, X70

Welded carbon and alloyed process plant pipes in acc. to below standards:

  • ASTM A333, 671, 672, 691

Welded Stainless steel, special alloys pipes for chemical and petrochemical plants to:

  • ASTM A 312, 358, 778, 928, ASTM B 619, B725

All materials are also available in acc. to equivalent DIN/ EN standards and grades.

Welded pipe manufacturing

At the start of the welded pipe manufacturing process so called slabs or billets are cast in a steel mill. Dependent on the external dimensions and wall thickness there are different methods of producing

 

welded pipes and tubes: Electric Resistance Welding (ERW), Fusion Welding (EFW) and Double Submerged Arc Welding (DSAW).

 

In the ERW and EFW manufacturing process welded pipes are formed by hot or cold rolling plate and welding the seam.

 

In order to keep the outside (O.D.) surface of a welded pipe smooth and uniform a cutting tool called scarfing blade is used to remove the weld flash. Scarfing from the inside (I.D.) welded flash is also possible.

 

With a heat treating at the end of the manufacturing process the weld zone of the steel pipe can be made less visible.

 

Due to the weld seam lower operating pressures are stated in accordance with ASME compared to seamless pipes.

 

 

In general welded tubes possess tighter dimensional tolerances than seamless pipes and are less costly if produced in same quantities.

 

 

 

Description erw black round steel pipe / Q235 construction scaffold pipe/tube, Black round steel Pipe
Standards ASTM, AISI, JIS, SUS, EN, DIN, BS, GB
Material

ASTM A213(T2, T5, T9, T11, T12, T22) A119 (T5,T9 ,T11,T22)A335(P2, P5, P9, P11, P12, P22)

STBA20,STBA22,STBA23,STBA24,STBA25,STBA26,

STPA20,STPA22,STBA23,STPA24,STPA25,STPA26,

Specifications OutsideDiameter 10.3-1200mm  
Wall thickness 1.24-120mm  
Length 6m, 5.8m, 12m or as customer's requirement  
Mechanical Property

 

Rm≥415MPa,Re≥205MPa,A≥30%( lengthways ), A≥20%

Chemical Composition

C≤015,Mn 0.30~0.60. Si ≤0.50,P ≤0.025,S ≤0.025,

Cr 4.00~6.00,Mo 0.45~0.65

Price Term FOB, CFR, CIF
Payment Term T/T, L/C,
Delivery Time in 7 days after 100% payment
Main Market USA ,Germany ,India ,Iran,Dubai,Iraq,Viet Nam,Ireland,Sinagpore,and so on .
Package

Export standard package: bundled wooden box or be required;
The inner size of container is below:
(1)20 foot GP: 5.8m(length)x 2.13m(width)x 2.18m(high)

about 24-26 CBM
(2)40 foot GP: 11.8m(length)x 2.13m(width)x 2.72m(high)

about 68 CBM
We will packing as the factory, and reach the stander of export.
Or as the customer request. In addition,
We will make the products with good surface protection.

Application

1)Petroleum, Chemical enterprise, superheaterof boiler,

heat exchanger
2)High temperature resistant transmission fluid pipe

in power station
3)Ship with pressure pipe
4)The exhaust purification devices
5)Home appliance, electrical components, decorate pipe
6)Precision instrument manufacture

 

 

ERW Pipe Pictures 

 

API 5L X52 X70 Spiral Welded Steel Pipe Double Submerged Arc Welding  0