LONGITUDINALLY WELDED STEEL PIPE

IF

MAIN CHARACTTISTIC:

  • Thick wall
  • Wide range of steel grades and manufacture standard
  • Able to incorporate piling shoes, clutches or other fabricated components.
  • Internal lining and external protective coatings available

MAIN APPLICATION:

  • Oil, natural gas conveyance pipes: gas distributing pipeline, long distance conveyance of oil, natural gas, etc
  • Piling
  • Casing for concrete piles for abutment and other structure
  • Transmission of raw materials

SIZE:

  • Outer Diameter: up to 3000mm
  • Wall thickness: up to 80mm
  • Length: up to 16 meters                                                                                                                     

QUALITY STANDARDS:

API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711

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

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 system

DIN 30670 Polyethylene  coatings of steel and fittings