GB/T 4160-2004
ActiveSteel-strain ageing sensibility test(Charpy impact method)
钢的应变时效敏感性试验方法(夏比冲击法)
Application Summary AI generated
This standard specifies a Charpy impact test method to evaluate the strain ageing sensitivity of steel, measuring how impact toughness changes after plastic deformation and artificial ageing. It is applied in the metallurgical industry for quality control and material selection of structural steels used in pipelines, bridges, and pressure vessels where resistance to embrittlement over time is critical. The test helps engineers assess whether a steel grade is suitable for cold-formed or welded components exposed to long-term service stresses.
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