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Overview
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.
Salient Features
Manufacturing Range
| Type | Diameter Range | Thickness Range | Specification¹ |
|---|---|---|---|
| Carbon Steel Electric Resistance Welded/ High Frequency welded pipes (ERW/HFW) | 6NPS [168.5 MM] to 18NPS [457.2 MM] | 0.125”[3.2 MM] to 0.5” [12.7MM] | As per ASTM As per API 5L, API5CT As per EN / BS As per IS As per Customer’s specification |