Question
Download Solution PDFGrey iron is usually welded by
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Grey cast iron is welded by gas welding.
In welding grey cast iron Neutral flame is used. Sometimes slightly oxidized flame can also be used for grey cast iron welding.
The grey iron castings are widely used for machine tool bodies, automotive cylinder blocks, heads, housings, fly‐wheels, pipes, and pipe fittings, and agricultural implements.
The grey cast iron is designated by the alphabet ‘FG’ followed by a figure indicating the minimum tensile strength in MPa or N/mm2. For example, ‘FG 150’ means grey cast iron with 150 MPa or N/mm2 as minimum tensile strength.
Last updated on Jun 16, 2025
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