Optiquest manual Appendix E iRIS 320 Enclosure Material Spec, Approximate Mechanical Properties

iRIS 220 / iRIS 320, V1.19 User Guide - 70

14 Appendix E – iRIS 320 Enclosure Material Spec

The iRIS 320 enclosure is milled from two solid blocks of 5083 aluminium alloy, which is then hard anodised.

This is the highest strength non heat-treatable alloy in general commercial use, possessing very high welded strength and excellent corrosion resistance. It is used for many types of welded assemblies, such as tanks, dump trucks, cryogenic applications and ship superstructures. It is not however recommended for use in corrosive environments above 60°C.

Approximate Mechanical Properties:

Temper	H32
Ultimate Tensile MPa	317
0.2% Proof Stress MPa	228
% min in elongation 50mm	16
(1.5mm thick specimen)
Ultimate Shear Stress (MPa)	179
Chemical Composition:
Aluminium	93.25%
Magnesium	4.0 - 4.9%
Iron	0.4%
Copper	0.1
Manganese	0.5 – 1.0%
Silicon	0.4%
Chromium	0.05 - 0.25%
Zinc	0.25%
Titanium	0.15%

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