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Spiral Submerged Arc Welding Pipe

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Spiral Submerged Arc Welding Pipe

Product description

SSAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature. There are 12 sets of modernized production line of SSAW pipe. The annual yield of SSAW pipe with outside diameter 219mm-3620mm, wall thickness 5-25.4mm and steel grade B-X80 is 1,000,000 tons. its two steel pipe production lines, one for spiral submerged arc welded (SAW) steel pipe and one for longitudinal submerged arc welded (SAW) steel pipe, are respectively comprised of two sets of main machines and 1 set of sizing equipment. The annual output comes to 120,000 ton for spiral SAW pipe and 200,000 ton for longitudinal SAW pipe.

Picture show

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Standard and Classification

Classification Standard Main Products
 

 

 

 

 

 

 

 

Steel Pipe for Fluid Service

GB/T 14291 Welded pipe for mine fluid service
  GB/T 3091 Welded pipe for low pressure fluid service
  SY/T 5037 Spirally submerged arc welded steel pipe for pipelines for low pressure fluid service
  ASTM A53 Black and hot-hipped galvanized welded and seamless steel pipe
  BS EN10217-2 Welded steel types for pressure purposes – delivery technical conditions – part2: Electric welded non- alloy and alloy steel tubes with specified elevated temperature properties
  BS EN10217-5 Welded steel tybes for pressure purposes – delivery technical conditions – part5: submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties
 

 

 

 

 

Steel Pipe for Ordinary Structure

GB/T 13793 Longitudinally electric resistance welded steel pipe
  SY/T 5040 Spirally submerged arc welded steel pipe piles
  ASTM A252 Welded and seamless steel pipe piles
  BS EN10219-1 Cold formed welded structural hollow sections of non-alloy and fine grain steels – part1: Technical delivery conditions
  BS EN10219-2 Cold formed welded structural hollow sections of non-alloy and fine grain steels – part2: tolerances dimensions and sectional properties
 

 

Line Pipe

GB/T 9711.1 Steel pipe for pipeline transportation system of petroleum and natural gas industries(Class A steel pipe)
  GB/T 9711.2 Steel pipe for pipeline transportation system of petroleum and natural gas industries(Class B steel pipe)
  API 5L PSL1/2 Line pipe
Casing API 5CT/    ISO 11960 PSL1 Steel pipe for use as casing or tubing for wells of petroleum and natural gas industries

Tolerance of Outside Diameter and Wall Thickness

Standard Tolerance of Pipe Body Tolerance of Pipe End Tolerance of Wall Thickness
Out Diameter Tolerance Out Diameter Tolerance  

 

 

≤±10%

GB/T3091 OD≤48.3mm ≤±0.5 OD≤48.3mm
48.3<OD≤273.1mm ≤±1.0% 48.3<OD≤273.1mm
273.1<OD≤508mm ≤±0.75% 273.1<OD≤508mm -0.8~+2.4
OD>508mm ≤±1.0% OD>508mm -0.8~+3.2
GB/T9711.1 60.3<OD≤457mm ≤±0.75% OD≤273.1mm -0.4~+1.59 88.9≤OD≤457 -12.5%~+15%
508<OD≤941mm ≤±1.0% OD≥323.9 -0.79~+2.38 OD≥508 -10.0%~+17.5%
GB/T9711.2 60<OD≤610mm ±0.75%D~±3mm 60<OD≤610mm ±0.5%D~±1.6mm 4mm<WT<25mm ±12.5%T~±15.0%T
610<OD≤1430mm ±0.5%D~±4mm 610<OD≤1430mm ±0.5%D~±1.6mm WT≥25mm -3.00mm~+3.75mm
SY/T5037 OD<508mm ≤±0.75% OD<508mm ≤±0.75% OD<508mm ≤±12.5%
API 5L PSL1/PSL2 610<OD≤1422 ≤±4.0mm OD>1422
OD>1422
API 5CT OD<114.3 ≤±0.79mm OD<114.3 ≤±0.79mm ≤-12.5%
OD≥114.3 -0.5%~1.0% OD<114.3 -0.5%~1.0%

Packing &Storage

DSCF4006 DSCF4005

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Produce line

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Our service 

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