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
|
|