Rectified aluminium sheets · Alu-Stock S.A.

Alplantok rolled and reamed plates

Aluminium plates rolled and reamed on both sides in alloy EN AW 5083 with excellent dimensional stability. Their low internal stresses prevent deformation of the plates during and after machining.

Mechanical properties

Thickness		R_m min MPa	R_{p 0.2} min MPa	A₅₀ %
Of	a	R_m min MPa	R_{p 0.2} min MPa	A₅₀ %
6	12.5	275	125	16
12.5	50	275	125	15
50	80	270	115	14
80	120	260	110	12

Chemical composition

	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti+Zr	Al
Min	-	-	-	0.40	4.00	0.05	-	-	Rest
Max	0.40	0.40	0.10	1.00	4.90	0.25	0.15	0.15

Response

Welding
- _WIG/MIG: Excellent
- _By resistance: Excellent
Anodising
- _Technical: Excellent
- _Decorative: Good
- _Metallic: Excellent
Machining: Good

Tolerances

Thickness tolerances: ±0.1 mm
Flatness

Thickness		Tolerance
Of	a	Tolerance
6	15	max 0.35 mm/m
15.1	120	max 0.15 mm/m

Roughness Ra: max 0.40 µm

Availability

Format	Thickness (mm)
Format	8	10	12	15	20	25	30	40
3020x1520

Aluplanzin rolled and reamed plates

Aluminium plates rolled and reamed on both sides in alloy EN AW 7019 with excellent dimensional stability. Their low internal stresses prevent deformation of the plates during and after machining.

Mechanical properties

Thickness		R_m min MPa	R_{p 0.2} min MPa	A₅₀ %
Of	a	R_m min MPa	R_{p 0.2} min MPa	A₅₀ %
8	30	410	350	8
30	50	400	340	8
50	80	390	330	8

Chemical composition

	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti+Zr	Al
Min	-	-	-	0.15	1.50	-	3.50	0.10	Rest
Max	0.35	0.45	0.20	0.50	2.50	0.20	4.50	0.40

Response

Welding
- _WIG/MIG: Excellent
- _By resistance: Excellent
Anodising
- _Technical: Excellent
- _Decorative: Excellent
- _Metallic: Excellent
Machining: Good

Tolerances

Thickness tolerances: ±0.1 mm
Flatness

Thickness		Tolerance
Of	a	Tolerance
8	15	max 0.50 mm/m
15.1	80	max 0.25 mm/m

Roughness Ra: max 0.40 µm

Availability

Format	Thickness (mm)
Format	12	15	20	25	30
3020x1520

Mecafun Magnealtok cast and rectified plates

Aluminium plates cast and reamed on both sides in alloy EN AW 5083 with excellent dimensional stability and very low internal stresses.

Mechanical properties

R_m min MPa	R_{p 0.2} min MPa	A₅₀ %	Hardness HB
230	110	10	68

Chemical composition

	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti+Zr	Al
Min	-	-	-	0.40	4.00	0.05	-	-
Max	0.40	0.10	0.10	1.00	4.90	0.25	0.25	0.15	Rest

Response

Welding
- _WIG/MIG: Good
- _By resistance: Good
Anodising
- _Protection: Good
- _Decorative: Average
- _Metallic: Excellent
Machining: Good

Tolerances

Thickness tolerances: ±0.1 mm
Flatness

Thickness		Tolerance
Of	a	Tolerance
<d>	5	max 0.80 mm/m
6	12.7	max 0.4 mm/m
12.7	>	max 0.13 mm/m

Roughness Ra: max 0.40 µm

Availability

Format	Thickness (mm)
Format	6	8	10	12	15	20	25	30	35	40	50
3020x1520

Mecafun Alzintok cast and rectified plates

Aluminium plates cast and reamed on both sides in alloy 7021 with excellent dimensional stability and very low internal stresses.

Mechanical properties

R_m min MPa	R_{p 0.2} min MPa	A₅₀ %	Hardness HB
310	350	2.5	110

Chemical composition

	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti+Zr	Al
Min	-	-	-	0.15	0.70	-	5.00	-
Max	0.30	0.40	0.10	0.30	1.20	0.20	6.00	0.15	Rest

Response

Welding
- _WIG/MIG: Excellent
- _By resistance: Poor
Anodising
- _Technical: Good
- _Decorative: Poor
- _Hard: Good
Machining: Excellent

Tolerances

Thickness tolerances: ±0.1 mm
Flatness

Thickness		Tolerance
Of	a	Tolerance
<d>	15	0.40 mm/m
15	>	0.25 mm/m

Roughness Ra: max 0.40 µm

Availability

Product on request