Aerospace series. Test methods for steel products. Part 8. Acceptance criteria for ultrasonic inspections of billets, bars, plates and forgings in steel, titanium, titanium alloys, aluminium alloys and heat resisting alloys (prEN 2003-8)
航空航天系列 钢制品的试验方法 第八部分 钢、钛、钛合金、铝合金和耐热合金中坯料、棒材、板材和锻件的超声波检验验收标准(prEN 2003-8)