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استاندارد ASTM E164 نسخه 2013 تست آلتراسونیک جوش 25 صفحه - به زبان انگلیسی Standard Practice forContact Ultrasonic Testing of Weldments version 2013 Scope1.1 This practice covers techniques for the ultrasonic A-scan examination of specific weld configurations joining wrought ferrous or aluminum alloy materials to detect weld discontinuities (see Note 1). The reflection method using pulsed waves is specified. Manual ...