目鏡刻劃片 | 冶金晶粒尺寸

G41 ASTM Grain Sizing Austenite

Eyepiece Reticle for Grain Sizing Austenite

G42 ASTM E112 Plate 1 Grain Sizing Disc

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

G44 ASTM E45 Grain Sizing

Eyepiece Reticle to ASTM E45

Pattern comprises 7.1mm square with features on left and right side to compare size, and a 10mm length horizontal scale. Root 2 sides. Also likely to be suitable for DIN 50602. For some applications a 10mm square is required, these can be made to special order.

G45 ASTM E19-46 Grain Sizing Disc

Eyepiece Reticle to ASTM E19-46

Circular pattern with 10 different segments each with a progressively smaller pattern for grain size analysis.

G47 Zeiss Integrating Eyepiece Disc 100

Eyepiece Reticle with 100 points.

Pattern has 100 reference points marked on horizontal lines referenced as 1-10 on bottom and right side.

G54 ASTM E562 24 Point Circular Grid

Eyepiece Reticle to ASTM E562. Two Concentric Circles of Crosses, 16 on outer circle, 8 on inner circle.

G55 ASTM E562 25 Point Square Grid

Eyepiece Reticle to ASTM E562. 5 X 5 Square Grid of Crosses.

G46 ASTM E19-46 Grain Sizing Disc - Root 2

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

Grain Sizing Reticle to EN10247

Scaled for use with 10x objective magnification.

NG61 Grain Sizing Reticle to ISO4967 / JIS G0555

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

Scaled for use with 10x objective magnification.
JIS 0555 also has a requirement for a point counting reticle, which we can make if provided with dimensional details.