Unidal – EN AW-7019 milled plate roll plate

1. Chemical composition
in the aftermath of DIN EN 573-3 (in % of the mass, rest AL)

Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti+Zr	Remark	Other elements
0,35	0,45	0,2	0,15-0,5	1,5-2,5	0,2	3,5-4,5	0,1-0,4		–

2. mechanical properties
in the aftermath of DIN EN 485-2 Sheets and plates (common conditions)

Condition	Nominal thickness		Tensile strength		Plug-in limit		Ultimate elongation		Rigor
	in mm		Rm in MPa		Rp0,2 in MPa		in % (min.)		HBS
	over	up to	min	max	min	max	A50	A
T651	8	30	410	–	350	–	8	–
	30	50	400	–	340	–	8	–
	50	80	390	–	330	–	8	–

Physical properties		General properties
(Guide values for 20° C)
Density of g/cm3	2,75	Resistance to:
Solidification range ° C	580-630	– Sea water	4
Electrical conductivity MS/m	19-23	– Weather conditions	3
Thermal conductivity W/(mK)	135-150	Hot formability	2
Therm. linear expansion-		– extrusion presses	–
Coeffizient 10-6/K	23,6	– Drop forging	–
Modulus of elasticity N/mm2	71.000	– Open die forging	–
Weldability		Surface treatment
Fusion welding		Protection anodizing	2
– Gas	–	Anodizing (decorative)	4
– WIG	2	Painting/Coating	3
– MIG	2
Resistance welding	2	Contact with food	no
Machinability	2

3. Main application / Special features:
Robot parts, transfer plates, printing machine parts, defence technology, welded constructions.
Unidal combines a stress-free precision plate with highest strength values.
Best surface finishing results.