
Knoop hardness test - Test method
出版:Japanese Standards Association

專家解讀視頻
基本信息
標準編號: JIS Z 2251:1998
標準類別:Standard
出版單位:Japanese Standards Association
標準頁數:6
標準簡介
This Japanese Industrial Standard specifies the method of Knoop hardness test mainly for metallic materials by the test force covering the range of 98.07 mN up to and including 9.807 N.
替代本標準的新標準
等同采用的國際標準
ISO 4545:1993 - Identical