冶金晶粒尺寸
Metallurgy Grain Sizing包裝樣式


G41
Eyepiece Reticle for Grain Sizing Austenite

G42
Eyepiece Reticle with Grain Sizing pattern to ASTM E112. Circular pattern with segments to represent various grain sizes.

G44
Eyepiece Reticle to ASTM E45

G45
Eyepiece Reticle to ASTM E19-46

G46
Eyepiece Reticle to ASTM E19-46 Root2. Circular pattern with 10 different segments each with a progressively smaller pattern for grain size analysis.

NG60
Grain Sizing Reticle to EN10247

NG61
Eyepiece Reticle for the determination of non-metallic inclusion content of steel.