JIS Z 3081:1994 (R2013)

This Japanese Industrial Standard specifies the method of ultrasonic angle beam examination from outer surface of pipes by the pulse echo technique using an ultrasonic test instrument having a scope display on full penetration welds of aluminium and aluminium alloy pipes and teubes (hereafter called 'aluminium pipes') however, this standard is applied to the joint welds with the ratio d/t of wall thickness t to outer diameter d of less than 16 %, among the circumferential joint welds of aluminiu