20Cr/ML20MnTiB Cold Heading Steel Hot Rolled Coils

20Cr cold heading steel silindirga silindirga silindirga silindirga silindirga silindirga silindirga silindirga silindirga silindirga:

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Roling: Rolling prosesni, temperatur kontrol - rolling control - cooling control prosesni o‘zingizdir. Parametrat, o‘z warming temperature, rolling start temperature, final rolling temperature, and cooling rate must be precisely controlled to obtain fine and uniform grain structures, and improve the strength, hardness, and cold heading performance of the steel. For example, it is more reasonable to roll within the temperature range of 900 - 1150°C, and the rolling temperature should be as close to 900°C as possible; During cooling process, holding or slow cooling at around 650°C should be avoided, and slow cooling can be carried out above 700°C to ensure the completion of the structure transformation.

20Cr cold-headed steel hot-rolled coils iki o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘z o‘

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