ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS G 0581 : 1999
Methods of radiographic examination for steel castings
1999
20
JISf 2021 V.1
This Japanese Industrial Standard specifies the methods of radiographic examination for the purpose of detecting defects in steel castings by X- and gamma rays by means of the direct photographing method using X-ray films for industrial use.