Normal pressure steel oil tank welding ultrasonic inspection test block JB/T9212-1999 is suitable for welding joints, lap joints and T-shaped welds of 4~32mm thickness of normal pressure steel oil tank welding. OUT-1 test block |OUT-2 test block | atmospheric pressure steel tank welds | butt, lap and T-welds | ultrasonic flaw detection.
This standard is applicable to the ultrasonic inspection of butt joints, lap joints and T-welds of 4~32mm thickness of atmospheric steel oil tank welds.