Welding of Wrought Iron


Welding of Wrought Iron Weldability of Wrought Iron Welding Processes for Wrought Iron

Welding of Wrought Iron

Welding of Wrought Iron - Wrought iron is characterized by extremely low carbon content.
Carbon-0.035% Max
Manganese- 0.10% Max
Phosphorus-0.08 to 0.18%
Sulphur-0.020% Max
Silicon-0.10 to 0.20%
Slag-2.00 to 3.50%
Iron-Remainder

Wrought iron is produced by melting pig iron ingots in a puddling furnace. Wrought iron possesses fibrous structure, because slag (iron-silicate) is distributed throughout the iron base metal in the form of threads or fibres that extend in the direction of rolling.

Wrought iron possesses
(i) High ductility,
(ii) Good tensile strength,
(iii) High corrosion resistance, and
(iv) Resistance to fatigue.

Melting point of wrought iron is approximately 1539°C.

Typical welded structures made from wrought iron piping are:
(i) Radiant heating systems,
(ii) Skating rings,
(iii) Snow melting installations,
(iv) Sewer outfalls,
(v) Penstocks,
(vi) Smokestacks,
(viii) Ballast deck plates for railway bridges, etc.

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