Brown Aluminum Oxide Microgrits

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Description

GNPGraystar’s Brown Aluminum Oxide is fused in an electric arc furnace and produces a high strength, tough, and extremely durable grain. GNPGraystar’s brown aluminum oxide is a medium to high density product which is available in standard grades or can be custom graded for your application.

This material data has been provided by GNPGraystar Specialty Materials.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

All categories

Properties

General

Property	Value
True particle density	3.95 g/cm³ Show Supplier Material materials with True particle density of 3.95 g/cm³

Mechanical

Property	Value	Comment
Hardness, Knoop, HK2	2050 [-] Show Supplier Material materials with Hardness, Knoop, HK2 of 2050 [-]	Knoop (100)
Hardness, Mohs	9.0 [-] Show Supplier Material materials with Hardness, Mohs of 9.0 [-]

Thermal

Property	Value
Melting point	2000.0 °C Show Supplier Material materials with Melting point of 2000.0 °C

Chemical properties

Property	Value	Comment
Aluminium	95.62 % Show Supplier Material materials with Aluminium of 95.62 %	Al₂O₃
Iron	0.42 % Show Supplier Material materials with Iron of 0.42 %	Fe₂O₃
Other	0.3 Show Supplier Material materials with Other of 0.3
Silicon	1.12 % Show Supplier Material materials with Silicon of 1.12 %	SiO₂
Titanium	2.54 Show Supplier Material materials with Titanium of 2.54	TiO₂

Technological properties

Property

Application areas

GNPGraystar’s Brown Aluminum Oxide Macrogrits are used in all types of bonded and coated abrasive applications for ferrous and normal alloy steels. It is also used in a myriad of refractory and general industrial applications.

GNPGraystar’s Brown Aluminum Oxide Microgrits are used for precision lapping, micro-blasting, fine grit bonded and coated abrasives applications, thermal coatings, and polishing compounds.

Certifications

ANSI and FEPA

Agency & Mil-Specs (such as A-A-59316 & MIL-A-22262B)

Pratt & Whitney, Rolls Royce, Praxair, Stryker, etc.

Color

Brown

Crystal structure

Alpha - Alumina

Other

Test Methods
Microgrit Sizing:	FEPA F Standard 42-2:2006 FEPA P Standard 43-2:2006 JIS R 6001-1987 Custom Sizes Available

Brown Aluminum Oxide Microgrits

Description

Ashby charts

Materials by this supplier

Properties