The controlled cooling process of SA573 structural carbon steel Grade 58

The steel plate cutting and processing instructions are as follows: steel plate cutting and steel plate cutting processing, as well as SA573 structural carbon steel Grade 58 steel plate zero cutting processing. There are semi-automatic flame cutting, fully automatic CNC cutting, laser cutting and water cutting. The thickness range of steel plate that can be cut is 20650mm. In terms of SA573 structural carbon steel Grade 58 steel plate cutting types, there are Q235B common plate, Q345B low alloy plate and 45 carbon bonded plate.

Compared with SA573 structural carbon steel Grade 58, boiler steel plates should have the following properties: (1) High medium temperature strength: low and medium pressure boiler drums use steel with a lower yield point, high pressure boilers use steel with a high yield point. (2) Good plasticity, impact toughness, cold bending and welding performance. (3) The notch sensitivity is small, that is, the sensitivity to the stress concentration caused by the opening of the steel plate surface and the welding of the pipe head is small.

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