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The PPT presentation mentioned that we use Q355B steel in large quantities. Online sources state that this steel cannot achieve a hardness of 58-62 HRC after heat treatment. How should this be understood?

2025-11-05

A:This is achieved through our optimized heat treatment process; Q355B can reach this hardness.

Ideally, how many tens of thousands of cycles would it take for the carburized layer to be worn smooth, and is this related to the excitation force of the equipment?

What material is used for the inner frame of the paving bricks? Is it 16MnCr5 (German board) or Q355B (domestic board)? Can both achieve a carburizing strength of 58-62 HRC? According to information found on Chatgpt, the former can achieve a carburizing strength of 58-62 HRC, but the latter is around 55-60 HRC. If a customer inquires, it will cause distrust and doubt.

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The PPT presentation mentioned that we use Q355B steel in large quantities. Online sources state that this steel cannot achieve a hardness of 58-62 HRC after heat treatment. How should this be understood?

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Quangong Mould Company Limited was formally established on May 11, 2019, to provide mold design, manufacturing, sales, and services