: The 2018 edition introduced stricter acceptance levels for rolling stock used in high-speed rail or heavy-load service. ISO - International Organization for Standardization Accessing the PDF
Lists other indispensable standards (such as ISO tensile testing or hardness testing standards) required to apply ISO 5948.
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According to ISO 5948:2018 , this standard is mandatory when:
The primary purpose of ISO 5948 is to ensure that steel axles possess the necessary mechanical properties, structural uniformity, and freedom from defects to withstand millions of cyclic loading periods during their operational lifespan. Scope of the Standard The standard applies to: Forged or rolled steel axles.
. This standard ensures that structural materials used in train carriages and locomotives can withstand high dynamic loads without internal failure. Core Objectives of ISO 5948
Verifying that the material can absorb shocks, especially in low-temperature environments. 4. Defects and Surface Quality