Carbon Steel

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High Frequency Electric Resistance Welded [HF-ERW] Pipes

RATNAMANI manufactures Carbon Steel High Frequency Electric Resistance Welded (HF-ERW) Pipes with an annual installed capacity of 100,000 MT. HF-ERW pipes are made from hot rolled flat steel strip, formed into tubular shape and the longitudinal seam is welded by the application of mechanical squeezing of edges and heating the edges through High Frequency Electric Resistance applied by induction or conduction. The weld joint is achieved without addition of any filler metal.

Product Range:

TYPE DIAMETER RANGE THICKNESS RANGE SPECIFICATION
Circular Pipe / Circular Hollow Section 6" [168.3 MM]
to
18" [457.2 MM]
0.125" [3.2 MM]
to
0.5" [12.7 MM]
As per ASTM As per API 5L As per API 5CT As per EN / BS As per IS As per Customer's Specification
Square Hollow Sections 5" [125 MM] x 5" [125 MM]
to
12" [300 MM] x 12" [300 MM]
0.125" [3.2 MM]
to
0.5" [12.7 MM]
As per IS As per Customer's Specification
Rectangular Hollow Sections 4" [100 MM] x 6" [150 MM]
to
10" [250 MM] x 14" [360 MM]
0.125" [3.2 MM]
to
0.5" [12.7 MM]
As per IS As per Customer's Specification

 

Detailed Size Range

Salient Features

  • Capability to manufacture pipes as per API 5L Grade API X-80 or equivalent
  • All testing facilities in-house to meet International Standards

Application Industry:

  • Oil and Gas Pipeline
  • Plumbing
  • Heating
  • Water Supply Systems
  • General purpose applications
  • Structural Pipe
CS Product Range
 HFW - ERW PIPES
 SAW PIPES
MOBILE PLANT
 PIPE COATING SOLUTIONS
 EXTERNAL COATING SOLUTIONS
 INTERNAL COATING SOLUTIONS
APPROVALS

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