This standard specifies the contents for testing thicker steel plate-ultrasonic inspection: the contrast samples, inspection instrument, equipments condition for surveys and method, defect measurement and evaluation, steel plate quality grade as well as survey report.
This standard is applicable to ultrasonic inspection for all kinds of steel plate’s usage, furnace no thicker than 6 mm, pressure vessel, bridge, construction, shipbuilding, steel structure, pipeline and mould, etc.
