METALLURGY, GRAIN SIZING

Grain sizing reticle to EN10247 : NG60
Grain sizing reticle to ISO4967 : NG61
ASTM Austenite 1:1 grain sizing disc : G41
ASTM E112 Plate 1 grain sizing disc : G42
ASTM Carbide grain sizing chart : G43
ASTM E45 grain sizing reticle : G44
ASTM E19-46 grain sizing disc : G45,G46
ASTM E562 24 point circular and 25 point square grids : G54,G55
Reticles for the Snyder-Graff Intercept method and V-Notch Charpy test are also available to special order.

Graticules Optics now offer 20.4mm (Olympus), 24.5mm (Leica) and 25mm (Nikon, Meiji) diameter reticles at standard prices – no need to pay a premium price for a special size

G41 ASTM GRAIN SIZING AUSTENITE RETICLE

Key Features

Eyepiece reticle for grain sizing of austenite

Reference: VDEH 1510-61

Pattern 

Description

Diameter 

Order code

 G41

ASTM Grain Sizing Austenite

19mm

01B19064

 

Specify diameter on all orders 

20.4mm

01B20.4064

 

 

21mm

01B21064

 

 

23mm

01B232064

 

 

24mm

01B24064

 

 

24.5mm

01B24.5064

 

 

25mm

01B25064

 

 

26mm

01B26064

 

 

27mm

01B27064

 

 

Others

 

G42 ASTM E112 PLATE 1 GRAIN SIZING DISC

Key Features

Eyepiece reticle with grain sizing pattern to ASTM E112

Circular pattern with segments to represent various grain sizes.

Pattern 

Description

Diameter 

Order code

G42

ASTM Grain Sizing E112

19mm

01B19065

 

 

20.4mm

01B20.4065

 

Specify diameter on all orders

21mm

01B21065

 

 

23mm

01B23065

 

 

24mm

01B24065

 

 

24.5mm

01B24.5065

 

 

25mm

01B25065

 

 

26mm

01B26065

 

 

27mm

01B27065

 

 

Others

 

G43 ASTM GRAIN SIZING CARBIDE CHART

Key Features

Eyepiece reticle grain size determination of carbide

Eyepiece reticle with six circular areas depicting various grain sizes.

Pattern 

Description

Diameter 

Order code

G43

ASTM Grain Sizing Carbide

19mm

01B19066

 

Specify diameter on all orders

20.4mm

01B20.4066

 

 

21mm

01B21066

 

 

23mm

01B23066

 

 

24mm

01B24066

 

 

24.5mm

01B24.5066

 

 

25mm

01B25066

 

 

26mm

01B26066

 

 

27mm

01B27066

 

 

Others

 

G44 ASTM E45 GRAIN SIZING PATTERN

Key Features

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.

Pattern 

Description

Diameter 

Order code

G44

ASTM E45

19mm

01B19086

 

Specify diameter on all orders

20.4mm

01B20.4086

 

 

21mm

01B21086

 

 

23mm

01B23086

 

 

24mm

01B24086

 

 

24.5mm

01B24.5086

 

 

25mm

01B25086

 

 

26mm

01B26086

 

 

27mm

01B27086

 

All special sizes and calibrations

Others

 

G45 ASTM E19-46 GRAIN SIZING DISC

Key Features

Eyepiece reticle to ASTM E19-46

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

Pattern 

Description

Diameter 

Order code

G45 

ASTM Grain Sizing E19-46

19mm

01B19067

 

Specify diameter on all orders

20.4mm

01B20.4067

 

 

21mm

01B21067

 

 

23mm

01B23067

 

 

24mm

01B24067

 

 

24.5mm

01B24.5067

 

 

25mm

01B25067

 

 

26mm

01B26067

 

 

27mm

01B27067

 

 

Others

 

G46 ASTM E19-46 GRAIN SIZING DISC – ROOT 2

Key Features

Eyepiece reticle to ASTM E19-46 with root 2 sizing

Circular pattern with 10 different segments each with a progressively smaller pattern for grain size analysis. Root 2 pattern.

Pattern 

Description

Diameter 

Order code

G46

ASTM Grain Sizing E19-46 Root2

19mm

01B19068

 

 Specify diameter on all orders

20.4mm

01B20.4068

 

 

21mm

01B21068

 

 

23mm

01B23068

 

24mm

01B242068

 

 

24.5mm

01B24.5068

 

 

25mm

01B25068

 

 

26mm

01B26068

 

 

27mm

01B27068

 

 

Others

 

G54 ASTM E562 24 POINT CIRCULAR GRID

Key Features

Eyepiece reticle to ASTM E562

Pattern comprises two concentric circles of crosses, 16 on outer circle, 8 on inner circle.

Pattern 

Description

Diameter 

Order code

G54

ASTM 24 Point Circular Grid

19mm

01B19078

 

Specify diameter on all orders

20.4mm

01B20.4078

 

 

21mm

01B21078

 

 

23mm

01B23078

 

 

24mm

01B24078

 

 

24.5mm

01B24.5078

 

 

25mm

01B25078

 

 

26mm

01B26078

 

 

27mm

01B27078

 

 

Others

 

G55 ASTM E562 25 POINT SQUARE GRID

Key Features

Eyepiece reticle to ASTM E562 – square

Pattern comprises 5 x 5 grid of crosses

Pattern 

Description

Diameter 

Order code

G55 

ASTM 25 point

19mm

01B19079

 

Specify diameter on all orders

20.4mm

01B20.4079

 

 

21mm

01B21079

 

 

23mm

01B23079

 

 

24mm

01B24079

 

 

24.5mm

01B24.5079

 

 

25mm

01B25079

 

 

26mm

01B26079

 

 

27mm

01B27079

 

 

Others

 

NG60 GRAIN SIZING RETICLE TO EN10247

Key Features

Eyepiece reticle for the determination of non-metallic inclusion content of steel

EN10247 effectively supersedes ASTM E45 and DIN 50602

Meets the needs of EN10247.

Pattern 

Description

Diameter 

Order code

 NG60

Grain Sizing reticle to EN10247

21mm

01B21265

 

Specify diameter on all orders

23mm

01B23265

 

 

24mm

01B24265

 

 

24.5mm

01B24.5265

 

 

25mm

01B25265

 

 

26mm

01B26265

 

 

27mm

01B27265

 

 

Others

 

NG61 GRAIN SIZING RETICLE TO ISO4967/JIS G0555

Key Features

Eyepiece reticle for the determination of non-metallic inclusion content of steel

Meets the needs of ISO4967/JIS G0555.

Pattern 

Description

Diameter 

Order code

 NG61

Grain Sizing reticle to ISO4967/JIS G0555

21mm

01B21266

 

 Specify diameter on all orders

23mm

01B23266

 

 

24mm

01B24266

 

 

24.5mm

01B24.5266

 

 

25mm

01B25266

 

 

26mm

01B26266

 

 

27mm

01B27266

 

 

Others

 

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