ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS G 0556:2014
Method of macro-streak-flaw test for steel
2014
17
JISh 2022 Std.
This Standard specifies a step machined test method, blue fracture test method and magnetic particle inspection method for assessing the content of macro-streak-flaws (pinholes, blowholes, non-metallic inclusions, inclusions of foreign matter, etc.) in rolled or forged steel with the naked eye or under appropriate magnification.