Alaska Pipeline Construction Welding

Alaska Pipeline Construction Welding

Brand Name CSPG,WUZHOU
Business Type Manufacture & Sales
Product Description Caron & SSAW Steel Pipe
Outside Diameter (Inch) From 1/2 to 139
Wall thickness(Inch) From SCH40 to XXS
Outside Diameter (mm) From 25 to 3560
Wall thickness(mm) From4 to 80
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Product Details

Product Details


Alaska Pipeline Construction Welding The first and second level welds must pass the inspection of flaw detection, and shall meet the design requirements and the provisions of the construction and acceptance specifications, and check the weld detection report.




Brief Introduction

alaska pipeline welding


Manufacturer Pipe Steel Pipe

Alaska Pipeline Construction Welding



Brand  Name 

CSPG,WUZHOU



Business  Type

Manufacture & Sales



Product   Description

Caron & SSAW Steel Pipe



Advantaged      Product      Specification




English

Chinese



Outside Diameter  

(Inch)

Wall

 thickness

(Inch)

Outside 

Diameter

 (mm)

Wall

 thickness 

(mm)

From 1/2 to 139

From SCH40 to XXS

From 25 to 3560

From4 to 80

Length

From 2m to 12.5m in accordance with customers' requirements



 

Material 

Standard

Description

Chisese

American

German

          10#

ASTM A53-A

St37 DIN1626


ASTM A106-A

St37-2 DIN17175



ASTM A179-C

St35.8 DIN17175



ASTM A192

St35.8 DIN17175



20#

ASTM A53-B

St42-2 DIN1626


ASTM A106-B

St45-8 DIN17175



ASTM A178-C

St45-4 DIN1629



45#

ASTM A1045

CK45


16Mn

ASTM A210-C

St52 DIN1629


37Mn5

J55



27SiMn




CrMo

ASTM 4135,4150

CrMo4 DIN17212


40Cr

ASTM 5140

41Cr4



The first and second level welds must pass the inspection of flaw detection, and shall meet the design requirements and the provisions of the construction and acceptance specifications, and check the weld detection report.2. Grade I and ii welds shall not have cracks, welds, burn-through, arc pits and other defects.The second-level welds shall not have defects such as surface pores, slag inclusion, arc pits, cracks, arc abrasions, etc., and the first-level welds shall not have defects such as undercut or incomplete welding.3. Even appearance of welding seam, smooth transition between welding bead and base metal, and clean welding slag and spatter.Alaska Pipeline Construction Welding:First-class welding seam is not allowed;The allowable diameter for each 50mm length of third-level weld is less than or equal to 0.4t.And 2 stomata ≤3mm, stomatal spacing ≤6 times of aperture. Second-level welding seam: edging depth ≤0.05t and ≤0.5mm, continuous length ≤100mm, and the overall length of edging on both sides ≤10% of the welding seam length.In the technical sense, a standard is a uniform agreement issued in the form of documents containing technical specifications or other precise criteria that can be used to define rules, guidelines or characteristics for activities and their results within a certain scope, with the purpose of ensuring that materials, products, processes and services meet the needs.In general, standard documents are developed through a consultative process and approved by a recognized body.





The Process Flow

螺旋1





The Application

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The Workshop


Cangzhou Steel Pipe Group (CSPG)Co.,Ltd.

 has more than ten years history company which located in Lecong Iron and Steel World, a well-known steel distribution center in China, with superior geographical position and convenient water and land transportation. 


We are a direct-selling manufacturer specializing in the research and development of spiral steel pipes, steel coiled pipes, anti-corrosion steel pipes inside and outside. Since its inception, the company has been guided by a brand-new thinking of steel pipe product market based on the business philosophy of honesty, pragmatism and knowledge-seeking.




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workshop2



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