ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS G 0566 : 1980
Method of spark test for steels
1980
24
JISf 2021 V.1
This Japanese Industrial Standard specifies the method of spark test, hereinafter referred to as the "test", with grinder for steel ingots, steel billets, steel materials and other steel products, hereinafter referred to as the "test specimens".