Deze aluminium legering is een thermisch niet-hardbare legering. Verhoging van de sterkte is alleen mogelijk door kouddeformatie, waarbij met deze legering, binnen de groep van thermisch niet-hardbare legeringen, de hoogste waarden bereikbaar zijn. In zachte toestand combineert het materiaal een redelijke sterkte (mengkristalharding) met een redelijke vervormbaarheid. Verdere verhoging van de sterkte is alleen mogelijk door kouddeformatie (versteviging, conditie Hxx), hetgeen gepaard gaat met een afname van de rek en dus van de vervormbaarheid, waarbij de conditie H2x iets betere vervormingseigenschappen heeft dan de conditie H1x.
Het materiaal kan na een thermische behandeling (lassen) of na langdurig gebruik op een temperatuur boven 650°C gevoelig worden voor interkristallijne corrosie. Onder "normale" atmosferische omstandigheden en ook in wat agressievere omgevingen zoals maritieme milieus heeft de kwalitiet EN AW-5083 een uitstekende weerstand tegen corrosie, die nog verbeterd kan worden door anodiseren. Wordt deze kwaliteit in de condities H1x of H2x gelast, dan moet rekening worden gehouden met een daling van de sterkte in de warmtebeïnvloede zone tot het niveau van de zachtgegloeide toestand. Toepassingen zijn onder andere te vinden in de apparatenbouw (drukvaten, cyrogene toepassingen), chemische industrie (opslagtanks) en transportmiddelen.
Lasbaarheid: goed
Lastoevoegmaterialen: 4034 of 5183
Warmtebehandelingen: warmvervormen 550 -330°C / zachtgloeien 320 -350°C |
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|
| EN AW-5083 / ISO Al Mg4,5Mn0,7 Corrosion and Anodizing Properties |
|
Temper
|
Corrosion
|
Anodizing
|
|
|
COA
|
COIA
|
COMA
|
CORA
|
SCOA
|
EXCA
|
ICOA
|
PCA
|
ANBA
|
ANCA
|
ANHA
|
ANPA
|
|
|
6
|
6
|
6
|
6
|
6
|
6
|
5
|
6
|
4
|
5
|
6
|
6
|
|
|
6
|
6
|
6
|
6
|
5
|
6
|
5
|
6
|
4
|
5
|
6
|
6
|
|
|
6
|
6
|
6
|
6
|
4
|
6
|
5
|
6
|
4
|
5
|
6
|
6
|
|
|
6
|
6
|
6
|
6
|
5
|
6
|
5
|
6
|
4
|
5
|
6
|
6
|
|
|
6
|
6
|
6
|
6
|
5
|
6
|
5
|
6
|
4
|
5
|
6
|
6
|
|
|
6
|
6
|
6
|
6
|
4
|
6
|
5
|
6
|
4
|
5
|
6
|
6
|
|
|
| Key to Parameters: |
| COA: |
Corrosion index, general |
scale 2-7 |
| COIA: |
Industrial atm corr index |
scale 2-7 |
| COMA: |
Marine atm corr index |
scale 2-7 |
| CORA: |
Rural atm corr index |
scale 2-7 |
| SCOA: |
Stress corrosion index |
scale 2-7 |
| EXCA: |
Exfoliation corrosion index |
scale 2-7 |
| ICOA: |
Intercrystalline corrosion index |
scale 2-7 |
| PCA: |
Pitting corrosion index |
scale 2-7 |
| ANBA: |
Bright anodising index |
scale 2-7 |
| ANCA: |
Colour anodising index |
scale 2-7 |
| ANHA: |
Hard anodising index |
scale 2-7 |
| ANPA: |
Protective anodising index |
scale 2-7 |
|
 |
| Key to Values: |
| -: |
No information available |
|
| 1: |
Not applicable |
|
| 2: |
Unsuitable |
|
| 3: |
Not recommended |
|
| 4: |
Acceptable |
|
| 5: |
Good |
|
| 5-6: |
Good to Very Good |
|
| 6: |
Very Good |
|
| 7: |
Excellent |
|
|
| |
Full tempers: O
| O |
Annealed - products achieving the required annealed properties after hot forming processes may be designated as O temper. |
| O1 |
Thermally treated at approximately the same time and temperature required for solution treatment and slow cooled to room temperature. |
| O2 |
Thermomechanically processed to enhance formability, such as required for super-plastic forming (SFP). |
| O3 |
Homogenized. |
|
|
|
| |
Full tempers: Hx2
| H121 |
Strain hardened to a condition between that of O and H21 temper. |
| H22 |
Strain hardened and partially annealed to a quarter hard condition. |
| H42 |
Strain hardened and lacquered or painted to a quarter hard condition. |
| H12 |
Strain hardened only to a quarter hard condition. |
| H32 |
Strain hardened and stabilized to a quarter hard condition. |
|
|
|
| |
Full tempers: Hx4
| H24 |
Strain hardened and partially annealed to a half hard condition. |
| H44 |
Strain hardened and lacquered or painted to a half hard condition. |
| H14 |
Strain hardened only to a half hard condition. |
| H34 |
Strain hardened and stabilized to a half hard condition. |
|
|
|
| |
Full tempers: Hx6
| H16 |
Strain hardened only to a three quarter hard condition. |
| H26 |
Strain hardened and partially annealed to a three quarter hard condition. |
|
|
|
| |
Full tempers: Hx8
| H18 |
Strain hardened only to a fully hard condition. |
| H28 |
Strain hardened and partially annealed to a fully hard condition. |
| H38 |
Strain hardened and stabilized to a fully hard condition. |
|
|
|
| |
Full tempers: Hx9
| H19 |
Strain hardened only to an extra hard condition. |
|
|
|
| |
| EN AW-5083 / ISO Al Mg4,5Mn0,7 Physical and Elastic Properties |
|
Temper
|
Elastic
|
Physical
|
|
|
E
|
G
|
n
|
Tsol
|
Tliq
|
Cp
|
a
|
r
|
rel
|
l
|
EC
|
|
|
MPa
|
MPa
|
|
°C
|
°C
|
J kg-1 K-1
|
µm m-1 K-1
|
kg m-3
|
nW m
|
W m-1 K-1
|
%IACS
|
|
|
71000
|
26800
|
0.33
|
580
|
640
|
899
|
23.8
|
2660
|
60
|
117
|
28.5
|
|
|
71000
|
26800
|
0.33
|
580
|
640
|
899
|
23.8
|
2660
|
60
|
117
|
28.5
|
|
|
71000
|
26800
|
0.33
|
580
|
640
|
899
|
23.8
|
2660
|
60
|
117
|
28.5
|
|
|
71000
|
26800
|
0.33
|
580
|
640
|
899
|
23.8
|
2660
|
60
|
117
|
28.5
|
|
|
71000
|
26800
|
0.33
|
580
|
640
|
899
|
23.8
|
2660
|
60
|
117
|
28.5
|
|
|
71000
|
26800
|
0.33
|
580
|
640
|
899
|
23.8
|
2660
|
-
|
-
|
-
|
|
|
| |
|
| Key to Parameters: |
| E |
Modulus of elasticity |
MPa |
| G |
Modulus of rigidity |
MPa |
| n |
Poisson's ratio |
|
| Tsol |
Solidus temperature |
°C |
| Tliq |
Liquidus temperature |
°C |
| Cp |
Specific heat capacity |
J kg-1 K-1 |
| a |
Coefficient of thermal expansion |
µm m-1 K-1 |
| r |
Density |
kg m-3 |
| rel |
Resistivity |
nW m |
| l |
Thermal conductivity |
W m-1 K-1 |
| EC |
Electrical conductivity |
%IACS |
|
| |
| EN AW-5083 / ISO Al Mg4,5Mn0,7 Cold Formability, Machinability and Weldability |
|
Temper
|
Cold Formability
|
Mach.
|
Joinability
|
|
|
CFA
|
CFDA
|
CFPA
|
CFSPA
|
EXTR
|
MAA
|
WEEB
|
WEGA
|
WEAA
|
WESA
|
BRAZA
|
SOLDA
|
|
|
5
|
5
|
5
|
5
|
4
|
4
|
6
|
4
|
6
|
5
|
3
|
3
|
|
|
5
|
4
|
|
4
|
4
|
4
|
6
|
4
|
6
|
6
|
3
|
3
|
|
|
4
|
4
|
4
|
4
|
4
|
5
|
6
|
4
|
6
|
6
|
3
|
3
|
|
|
4
|
|
|
|
4
|
5
|
6
|
4
|
6
|
6
|
3
|
3
|
|
|
3
|
3
|
|
3
|
4
|
5
|
6
|
4
|
6
|
6
|
3
|
3
|
|
|
3
|
|
|
|
4
|
5
|
6
|
4
|
6
|
6
|
3
|
3
|
|
|
| |
|
| Key to Parameters: |
| CFA: |
Cold formability index |
scale 2-7 |
| CFDA: |
Deep drawability index |
scale 2-7 |
| CFPA: |
Stretch formability index |
scale 2-7 |
| CFSPA: |
Suitability for spinning |
scale 2-7 |
| EXTR: |
Extrudability index |
scale 2-7 |
| MAA: |
Machinability index |
scale 2-7 |
| WEEB: |
Electron beam weldability index |
scale 2-7 |
| WEGA: |
Oxy-gas weldability index |
scale 2-7 |
| WEAA: |
Shielded arc weldability index |
scale 2-7 |
| WESA: |
Spot & seam weldability index |
scale 2-7 |
| BRAZA: |
Brazability index |
scale 2-7 |
| SOLDA: |
Solderability index |
scale 2-7 |
|
|
| Key to Values: |
| -: |
No information available |
|
| 1: |
Not applicable |
|
| 2: |
Unsuitable |
|
| 3: |
Not recommended |
|
| 4: |
Acceptable |
|
| 5: |
Good |
|
| 5-6: |
Good to Very Good |
|
| 6: |
Very Good |
|
| 7: |
Excellent |
|
|
| |
EN AW-5083 Alloy Composition Details
| Mg |
|
4.0 - 4.9 |
| Mn |
|
0.40 - 1.0 |
| Fe |
|
<= 0.40 |
| Si |
|
<= 0.40 |
| Zn |
|
<= 0.25 |
| Cr |
|
0.05 -0.25 |
| Total Other |
|
<= 0.15 |
| Ti |
|
<= 0.15 |
| Cu |
|
<= 0.10 |
| Other Elem |
|
<= 0.05 |
| Al |
|
Remainder |
All compositions in wt%.
|
| |
| EN AW-5083 Mechanical Properties |
|
Temper
|
Form
|
RP02N
|
RP02
|
RMN
|
RM
|
RG
|
A5N
|
A5
|
A50N
|
A50
|
HBN
|
HB
|
HV
|
|
|
Sheet
|
125
|
145
|
275
|
300
|
175
|
17
|
23
|
-
|
22
|
70
|
70
|
75
|
|
|
Sheet
|
205
|
240
|
310
|
330
|
185
|
10
|
17
|
-
|
16
|
85
|
90
|
95
|
|
|
Sheet
|
270
|
275
|
345
|
360
|
200
|
6
|
16
|
-
|
14
|
100
|
100
|
105
|
|
|
Unspecif.
|
-
|
305
|
-
|
380
|
210
|
-
|
10
|
-
|
9
|
-
|
105
|
110
|
|
|
Unspecif.
|
-
|
335
|
-
|
400
|
220
|
-
|
9
|
-
|
8
|
-
|
110
|
115
|
|
|
Unspecif.
|
-
|
370
|
-
|
420
|
230
|
-
|
5
|
-
|
5
|
-
|
115
|
120
|
|
|
| Key to Properties |
| RP02N: |
Min proof stress 0.2% |
MPa |
| RP02: |
Proof stress 0.2% |
MPa |
| RMN: |
Min ultimate tensile strength |
MPa |
| RM: |
Ultimate tensile strength |
MPa |
| RG: |
Shear stress |
MPa |
| A5N: |
Min elongation A5 |
% |
| A5: |
Elongation A5 |
% |
| A50N: |
Min elongation A50 |
% |
| A50: |
Elongation A50 |
% |
| HBN: |
Min hardness, Brinell |
HBN |
| HB: |
Hardness, Brinell |
HB |
| HV: |
Hardness, Vickers |
HV |
|
|