タイトルまたは説明

LSAW STEEL PIPES
OD:**6.4 - ***2.4MM
WT:6.***5 MM
Technique: Longitudinal Submerged Arc Welding Pipe
API 5L ISO ***1:***8 

Our company uses the most advanced technology of JCOE LSAW steel pipe manufacture in the world wide, specialized in producing heavy calibre LSAW steel pipe. The product line adopts PID automatic controlling continuous J-C-O forming technology, and the advantages of the product line are as below: high speed, high quality, low stress distribution, and low tolerance of size.

 

Advantage of lsaw steel pipe:

Its wide range of product specifications, weld toughness, ductility, good uniformity and dense, with a large diameter, wall thickness, high pressure, low temperature corrosion resistance and other advantages. In the construction of high-strength, high toughness, high-quality long-distance oil and gas pipelines, the required mostly large diameter thick wall steel pipe LSAW pipe

The products are widely applied to many fields such as petroleum pipeline, natural gas pipeline, urban pipe network, mines pipeline,Coal Water Slurry pipeline, and construction pipe for high voltage, wind power, bridges, high-speed rail steel construction etc

The product line adopts PID automatic controlling continuous J-C-O forming technology, and the advantages of the product line are as below: high speed, high quality, low stress distribution, and low tolerance of size

The equipment can change mould quickly and simply,produce wide range of specifications,which is specialized in producing Longitudinal Submerged Arc welding Pipeline of outside diameter from **6.4mm to ***2.4mm ,wall thickness from 6m to *0m,unit length from 3m to *2.5m,steel grade could be simple carbon steel,special type steel and low alloy steel ,the steel grade could be up to max X*0 .it is able to manufacture **0,**0 tons per year.

 

Advanced testing equipment and prodction equipment:

Online UT testing, drop test machine, X-RAY detection, straightening machine, shaping machine, cold expanded equipment. 

 

Production Process:

 

Plate Ultrosonic Inspection → Plate Edge Milling → Plate Edge Crimping → Forming → Continuous Pre-welding → Inside Welding → Outside Welding → Ultrosonic Test → X-ray Test → Expansion → Finishing → Straightening → Hydraulic Test → Pipe Ends Beveling → Ultrosonic Test → X-ray Test → Appearance Inspection → Coating

 

 

Test:

**0% ultrasonic flaw detection for the material plate;**0% automatic on-line UT test after welding; **0% whole-length seam X-ray test; **0% inside weld line industrial TV test; **0% hydrostatic test; **0% automatic on-line seam UT test after hydrostatic test, expanding; **0% X-ray test and make X-ray film or picture record on pipe ends; **0% pipe appearance and plate appearance inspection.