1.1 This Part of NB/T 47013 specifies detection technology and quality grading requirements for X-ray and γ-ray used for welding joints on metal melting of pressure equipment. 1.2 In this Part, the metals used for welding joints of metal melting include steel, copper and copper alloy, aluminum and aluminum alloy, titanium and titanium alloy, nickel and nickel alloy. The types of welding joints include butt welds of plate and tube’ butt joints (hereinafter referred to as “butt welds”), butt welds of plug-in and put-type connecting pipe’s fillet joint (hereinafter referred to as “fillet welds”) and welds of pipe-pipe sheet welds (refer to Annex A). 1.3 The radiographic testing for other metal materials, welding joints of supporting parts and structural parts of pressure equipment can also refer to this Part.
Basic Data
Standard ID
NB/T 47013.2-2015 (NB/T47013.2-2015)
Description (Translated English)
Nondestructive testing of pressure equipment - Part 2: Radiographic testing
