
METALLIC MATERIALS - SHEET AND STRIP - HOLE EXPANDING TEST
出版:International Organization for Standardization

专家解读视频
Gives a method of determining the hole expansion ratio in metallic sheets and strips with a thickness range of 1,2 mm to 6,0 mm inclusive and a width of at least 90 mm.
16/30331298 DC : 0 - Identical
08/30179691 DC : DRAFT MAR 2008 - Identical
16/30331298 DC : 0 - Identical