This part specifies the general requirements for magnetic particle testing of welds on rolling stock, testing equipment and equipment, magnetization methods, magnetization specifications, quality control, safety protection, testing methods, acceptance levels and inspection reports. This section is applicable to magnetic particle testing of the surface and near-surface quality of fusion welds of ferromagnetic materials.
TB/T 1558.4-2010 history
2018TB/T 1558.4-2018 Non-destructive testing of rolling stock welds Part 4: Magnetic particle testing
2010TB/T 1558.4-2010 Non.destructive testing of welding for rolling stock Part 4:Magnetic particle testing