Fluted vs Square vs Round Forging Ingots
Compare fluted, square and round ingots: cooling, cracking risk, forging use and when to specify each.
Square ingots
Square ingots are simple and match the square anvil faces used in open-die forging. They are common for small and medium weights. The corners cool faster and can be prone to cracking in some grades unless the corners are rounded.
Fluted ingots
Fluted ingots have a corrugated surface that increases the surface area. They cool more evenly and with less thermal stress, so they suit crack-sensitive alloy steels and large weights. Most large forging ingots are fluted.
Round ingots
Round ingots suit rotating forged products and ring rolling, where the forging operation is symmetrical. They are used where an equal reduction in all directions is wanted.
Square vs fluted forging ingots: how to choose
Pick fluted for alloy grades and heavy ingots, square for general carbon steels, and round for ring and disc forgings. Share your forging route and the grade and we will recommend one.
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