The standard specifies the method selection principle,testing samples,test environment,personnel requirements,instrument management,test procedure,result representation,test report preparation and issue,uncertainty assessment,etc.for hardness test of heat treated parts.
This standard is applicable to hardness test of heat treated parts of metals.It can also be adopted as reference when using portable hardometers.
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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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