
Metallic materials; hardness test; Rockwell superficial test (scales 15N, 30N, 45N, 15T, 30T and 45T)
出版:International Organization for Standardization

专家解读视频
19891969
AS 2025.1-1977 - Equivalent
BS 4175:1989 - Similar
DIN 50103-2 (1984-03) - Similar
BS EN 10109-1:1996 - Similar
AS 2025-1991 - Equivalent
BS 4175(1989) : 1989 - Similar to
BS EN 10109-1 : 1996 - Similar to
BS 4175(1989) : 1989 - Similar to