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The process of producing hot rolled strip with thickness of 1.2 ~ 8mm on hot strip mill. Strip width below 600mm is called narrow strip steel; Over 600mm is cal···
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Some steel stays at 400~550℃ for a long time, and its impact value will decrease significantly after cooling to room temperature. This phenomenon is called the···
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20CrNi2MoA is a kind of high-quality alloy structural steel, which is made by multiple precision machining processes by adding carbon, silicon, manganese, phosp···
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The first part represents the material, such as: S (Steel) represents steel, F (Ferrum) represents iron.
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