Standard Number: YB/T 4290-2012(YB/T4290-2012)
Chinese:金相检测面上最大晶粒尺寸级别（ALA晶粒度）测定方法
English:Determination of maximum grain size level (ALA grain size) on metallographic test surfaces
Effective Date:2013-03-01
Standard Applicability:
PDF Downloadable: N
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