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What are the differences between castings and forgings?

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2025-03-19

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Differences between castings and forgings: 1. The surface structure of forgings is finer; the surface of castings should be coarser, while the machined surface of forgings should be brighter. 2. Cast iron sections appear dark gray, while forged steel sections are silvery bright. 3. Listening to the sound, forgings are dense, and the sound is crisp after impact, while castings have a dull sound. 4. Grinding with a grinding wheel to observe the sparks, the two will be different (forgings are brighter), etc.

Difference between castings and forgings:
1. The surface structure of forgings is finer, the surface of castings should be coarser, and the processed surface of forgings should be brighter.
2. Cast iron cross-section appears dark gray, while forged steel cross-section is silvery bright.
3. Listen to the sound, forgings are dense, and the sound is crisp after impact, while castings have a dull sound.
4. Use a grinder to polish and observe the sparks, they are different (forgings are brighter), etc.

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