This national standard specifies principle of cold drawn round steel surface ultrasonic inspection, test method, control sample, inspection equipment, and inspection condition; inspect procedure, result of detection assessment and report.
This standard is applicable to surface inspection of cold drawn round steel with diameter of 6 mm ~ 80 mm. This method is applicable to detect flaws like longitudinal cracks and folds on the surface of cold drawn round steel.
Foreword
1 Scope
2 Quoted standards
3 Inspection principle
4 Test method
5 Sample comparison
6 Inspection equipments
7 Inspection condition
8 Inspection procedures
9 Detection result assessment
10 Detection record and inspection report
