GB/T 12605-1990 Methods of radiographic inspection and quality classification of circumferential fusion welded butt joints in steel pipes and tubes

GB/T 12605-2008 Non-destructive testing—Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes

GB 4792 GB 5618 ZB J04 004 SD 143 GB/T 3323-1987 Methods for radiographic inspection and classification of radiographs for fusion welded butt joints in steel GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X-and gamma-ray techniques with film GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X-and gamma-ray techniques with digital detectors GB/T 6417-1986 Classification of imperfections in metallic fusion welds, with explanations GB/T 6417.1-2005 Classification and explanation of imperfections in fusion welded joints GB/T 6417.2-2005 Classification and explanation of imperfections in pressure welded joints GB/T 9445-1999 Qualification and certification for nondestructive testing personnel GB/T 9445-2005 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2008 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2015 Non-destructive testing—Qualification and certification of NDT personnel GB/T 9445-2024 Non-destructive testing—Qualification and certification of personnels

ISO 1106/3-1984