Graticules ASTM E112 Plate 1 Grain Sizing Disc Pattern G42

 
Graticules ASTM E112 Plate 1 Grain Sizing Disc Pattern G42 19mm
Size 19 mm
Item01A19065-AB
AvailabilityContact for Availability
$272.75
 
Graticules ASTM E112 Plate 1 Grain Sizing Disc Pattern G42 21mm
Size 21 mm
Item01A21065-AB
AvailabilityContact for Availability
$272.75

These eye piece reticles are designed for use with the indicated ASTM tests for the determination of grain size on polished metallographically prepared specimens. 

ASTM E112 Plate 1 Grain Sizing Disc 
Plate 1 Grain Sizing Disc for use with ASTM E112. Glass sandwich. 

General comments:
Different microscopes from different manufacturers have eye pieces of different diameters, the more popular diameters being the ones listed. We can custom manufacture other diameters but the cost is roughly three times higher than the pricing for the standard sizes that are produced in quantity.

Pattern G42: 19 mm