Italferro Gambolò - lavorazione Alluminio

ALUMOLD-600^®

Reference specification: IS 5636

Brief description

Thick plates in alloy Alumold® 600 offer the highest possible hardness and strength properties. They are mainly used for injection molds and other types of heavily loaded tools. The strength and hardness of Alumold® 600 give tools an optimum resistance to wear.

Chemical composition

Alumold® 600 plates are made of a 7000 series alloy with high zinc, magnesium and copper contents.

Physical properties (nominal values)

Density	2.86 g/cm³
Elastic modulus	72500 MPa
Poisson's coefficient	0.33
Lin. thermal expansion coefficient (20°-100°C)	23.4 10^-6 K^-1
Thermal conductivity (Temper T651)	115 - 135 W/mK
Electrical conductivity at 20°C (Temper T651)	17 - 20 MS/m

Processing methods

Weldability TIG/MIG

Repair welding	not suited
Assembly welding	not suited

Machinability

very good^*

*Plates in Alumold® 600 are stress relieved by stretching. No further thermal treatment is recommended.

moderate in inland atmosphere
critical in marine atmosphere

Surface treatments

Anodizing technical/hard	possible
Anodizing decorative	not suited
Polishing	excellent
Hard chrome plating	well adapted
Chemical nickel plating	well adapted
Chemical texturing	well adapted

Availability

Alumold® 600 plates are available in temper T651 (quenched - stretched - aged) in the following dimensions:

Thickness (over... to)	Standard widths
Thickness (over... to)	12 - 101.6 mm	1020 mm
	1520 mm

(other dimensions on request)

Mechanical strength

Minimum tensile properties (Temper T651)

Thickness (over... to)	Rm [MPa]	Rp0.2 [MPa]	A50 [%]
12 - 25.4 mm	630	580	10
25.4 - 38.1 mm	630	570	8
38.1 - 50.8 mm	600	540	6
50.8 - 76.2 mm	590	530	4
76.2-101.6mm	590	530	3

Typical strength for various thicknesses

Thickness (over... to)	Rm [MPa]	Rp0.2 [MPa]	A50 [%]	HB
12 - 25.4 mm	640	600	11	185
25.4 - 38.1 mm	640	590	9	185
38.1 - 50.8 mm	630	575	7	185
50.8 - 76.2 mm	630	575	6	185
76.2-101.6mm	620	565	4	185

Tolerances

Thickness (over... to...)	Thickness	Flatness tolerances longitudinal	Flatness tolerances transverse
12-25.4mm	-0/+1 mm	0.2 %	0.3 %
25.4 - 50.8 mm	-0 / +1.5 mm	0.2 %	0.2 %
50.8 - 76.2 mm	-0/+2 mm	0.2 %	0.2 %
76.2 - 101.6 mm	-0/+2.6 mm	0.2 %	0.2 %

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Heating the alloy can result in loss of strength of properties or of capability for fabrication, assembly or application in a particular case. Whenever a new application of this alloy is contemplated, and if this application involves special properties such as corrosion resistance, toughness, fatigue strength, it is strongly recommended that the user should consult the producer in order to make a precise and appropriate selection of the material.
The information in this publication does not imply a guarantee of properties or of capability for fabrication, assembly or application in a particular case. The appendix to technical datasheets is an integral part of this datasheet. The processing instructions presented in the appendix shall be taken into account by the user. Constellium Valais Ltd reserves the right to modify this data sheet without prior warning. This edition replaces all previous editions.

Contattaci

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