Root and face bends from an 8mm thick butt weld require testing. The specimens are cut to 20mm wide. The code calls for a 4t bend. Which of the following rollers should be selected for the testing?
a) 50mm radius b) 50mdiameter c) 32mm radius d) 32mm diameter
a) 50mm radius b) 50mdiameter c) 32mm radius d) 32mm diameter