SPIRAL WELDED STEEL PIPE

SPIRAL WELDED STEEL PIPE

Our spiral steel pipe production lines are equipped with advanced automatic double sided submerged arc welding apparatus which produce the high quality pipes with high density and permeating defending weld seam.

MAIN CHARACTRISTIC:

  • Reliable manufacture method
  • Wide range of steel grades and manufacture standard
  • Length up to 60m
  • Able to incorporate piling shoes, clutches or other fabricated components.
  • Internal lining and external protective coatings available

MAIN APPLICATON:

  • Piling: SSAW pipes are widely used  in civil and marine construction as piling pipe
  • Casing for concrete piles for abutment and other structure
  • Oil, natural gas conveyance pipes: gas distributing pipeline, long distance conveyance of oil, natural gas, etc
  • Transmission of raw materials

SIZE:SPIRAL WELDED STEEL PIPE 1 Konnection

  • Outer Diameter: 219.1mm-3048mm
  • Wall Thickness: 3.2mm-40mm
  • Length: 6 meter-60meter
  • End: square ends (straight cut, saw cut, and torch cut), bevelled for welding, bevelled

QUALITY STANDARDS:

ASTM 252 Welded and Seamless Steel Pipe Piles

SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service

SY/T 5040 Spiral submerged arc-welded steel pipe piles

CJ/T 3022 Spiral submerged arc-welded steel pipe for municipal heat supply

IS: 1978 Steel tubes for use in transportation of oil; gas & Petroleum products

SPIRAL WELDED STEEL PIPE 2 Konnection

SURFACE:

Lightly oiled, Hot dip galvanized,
Electro galvanised, Black, Bare,
Varnish coating/Antirust oil,
Protective Coatings
(Coal Tar Epoxy; Fusion Bond Epoxy, 3-layers PE)

 

COATING STANDARD:

ANSI/AWWA C104/A21.4 American National Standard for cement-Mortar Lining for ductile-iron Pipe and Fittings for water

ISO 21809 Petroleum and natural gas industries-External coatings for buried or submerged pipelines transportation systems

DIN 30670 Polyethylene  coatings of steel and fittings

STEEL GRADE:

GB/T3091,SY/T5037,CJ/T3022:

Q195,Q215,Q275,Q295,Q345,08F,08,08AL,10F,10,HG5,DFO8 SPHC,M8

BS: 1387,EN10217:S185,S235JR,S235,G2H,S275,S275JR,S355JRH,

S355J2H,ST12,ST13,ST14,ST33,ST37,ST44,ST52

ASTM A 53: Gr.A,Gr B, Gr C, Gr.D

API5L: A,B,X46,X46,X52,X56,X60,X65 X7O

GB/T9711:L175,L210,L245,L290,L320,L360,L390,L415,L450,L458,L555