Non-destructive testing - Ultrasonic testing of carbon and low alloy steel plate and universal sections - Test methods and quality classification
无损检测.碳和低合金钢板和通用型材的超声波检测.试验方法和质量分类
Specifies the methods for the ultrasonic manual testing of carbon and low alloy wrought steel plate of uniform thickness, in the range 5 mm to 180 mm inclusive, and universal sections using A-scan presentation.