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EN AW-2024 (AlCu4Mg1 - 3.1355)

Produktinformation

1. chemical composition of EN AW-2024

according to DIN EN 573-3 (in % of mass, rest AL)

Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Remark	Other elements
0,5-	0,5	3,8-4,9	0,3-0,9	1,2-1,8	0,10	0,25	0,15	0.20 Ti+Zr	0,15

2. Mechanical properties of EN AW-2024

according to DIN EN 485-2 Sheets and plates (common conditions)

Condition	Nominal thickness		Tensile strength		Yield strength		Elongation at break		Hardness
	in mm		Rm in MPa		Rp0.2 in MPa		in % (min.)		HBS
	about	to	min	max	min	max	A50	A
T451	1,5	6,0	435	-	290	-	14	-	123
	6,0	12,5	440	-	290	-	15	-	124
	12,5	40,0	430	-	290	-	-	11	122
	40,0	80,0	420	-	290	-	-	8	120
	80,0	100,0	400	-	285	-	-	7	115
	100,0	120,0	380	-	270	-	-	5	110

Physical properties		General properties
(approximate values at 20° C)
Density in ^g/cm3	2,77	Resistance to:
Solidification range ° C	505-640	- Sea water	5
Electrical conductivity MS/m	18-21	- Weather conditions	5
Thermal conductivity W/(mK)	130-150	Hot formability
Therm. Linear expansion		- Extrusion	5
Coefficient ^10-6/K	22,9	- Die forging	4
Modulus of elasticity ^N/mm2	70.000	- Open-die forging	3
Weldability		Surface treatment
Fusion welding		Protective anodizing	2
- Gas	6	Anodizing (decorative)	6
- TIG	6	Painting/coating	3
- MIG	6
Resistance spot welding	1	Contact with food	no

Machinability T351	2

3. main application / special features of EN AW-2024:

A resilient material with increased strength values that is mainly used in the aerospace industry. Used at elevated operating temperatures above 120 ° to 180 ° C. As usually only cold-hardened (T351) is used, problems can arise with greater thicknesses due to residual stress. Especially with asymmetrical machining.

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Semi-finished aluminum products EN AW-2024 (AlCu4Mg1 - 3.1355)