This standard specifies the methods to establish and implement the immersion quenching process, the requirements of using quenchant, technical requirements of immersion quenching devices, quenching crane, operation machine, manipulator and quenching fixture, quality control and inspection, operation safety and environmental protection, etc.
This standard is applicable to the immersion quenching of steel, but not to other quenching processes.For immersion quenching of other metallic materials, this standard could also be referenced.
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This standard specifies the analysis method of pollutants in heat treatment cleaningliquid waste,the harmless treatment method of liquid waste,the technical requirements of liquid waste recycling and emissions.
This standard is applicable to the waste water recycling and emissions in heat treatment production and processing workshop and enterprise.
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