Home » Aluminum, EN AC-48000, chill cast, T5 Material Data Sheet
Aluminum, EN AC-48000, chill cast, T5 Material Data Sheet
Aluminum, EN AC-48000, chill cast, T5
Aluminum, EN AC-48000, chill cast, T5Designation
EN AC-48000 (DIN EN 1706)
Condition
T5 (Cooled from an elevated-temperature shaping process and artificially aged)
EN number
EN AC-48000 / EN AC-AlSi12CuNiMg
Aluminum, EN AC-48000, chill cast, T5 Typical uses
High strength alloy for the automotive industry: space frames, wheels, axle and differential housings, pump, meter, differential housings, intake manifolds, electronic cases, fuel pumps
Aluminum, EN AC-48000, chill cast, T5 Composition detail
Al (aluminum)
80.4
–
87.2
%
Cu (copper)
0.8
–
1.5
%
Fe (iron)
0
–
0.7
%
Mg (magnesium)
0.8
–
1.5
%
Mn (manganese)
0
–
0.35
%
Ni (nickel)
0.7
–
1.3
%
Si (silicon)
10.5
–
13.5
%
Ti (titanium)
0
–
0.25
%
Zn (zinc)
0
–
0.35
%
Other
0
–
0.15
%
Aluminum, EN AC-48000, chill cast, T5 Physical properties
Density
2.65
–
2.71
g/cm3
Aluminum, EN AC-48000, chill cast, T5 Mechanical properties
Young’s modulus
70.6
–
73.4
GPa
Specific stiffness
26.3
–
27.4
MN.m/kg
Yield strength (elastic limit)
176
–
194
MPa
Tensile strength
200
–
220
MPa
Specific strength
65.5
–
72.5
kN.m/kg
Elongation
1
–
1.2
% strain
Compressive strength
176
–
194
MPa
Flexural modulus
70.6
–
73.4
GPa
Flexural strength (modulus of rupture)
185
–
204
MPa
Shear modulus
26.4
–
27.8
GPa
Bulk modulus
66.1
–
75.5
GPa
Poisson’s ratio
0.322
–
0.338
Shape factor
32
Hardness – Vickers
100
–
110
HV
Elastic stored energy (springs)
215
–
262
kJ/m3
Fatigue strength at 10^7 cycles
100
–
116
MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles
95.8
–
121
MPa
Aluminum, EN AC-48000, chill cast, T5 Impact & fracture properties
Fracture toughness
18
–
20.5
MPa.m0.5
Toughness (G)
4.51
–
5.82
kJ/m2
Aluminum, EN AC-48000, chill cast, T5 Thermal properties
Melting point
549
–
626
°C
Maximum service temperature
170
–
200
°C
Minimum service temperature
-273
°C
Thermal conductivity
130
–
165
W/m.°C
Specific heat capacity
944
–
982
J/kg.°C
Thermal expansion coefficient
19.5
–
20.5
µstrain/°C
Thermal shock resistance
121
–
136
°C
Thermal distortion resistance
6.48
–
8.28
MW/m
Latent heat of fusion
384
–
393
kJ/kg
Aluminum, EN AC-48000, chill cast, T5 Electrical properties
Electrical resistivity
3.8
–
7.1
µohm.cm
Electrical conductivity
24.3
–
45.4
%IACS
Galvanic potential
-0.73
–
-0.65
V
Aluminum, EN AC-48000, chill cast, T5 Magnetic properties
Magnetic type
Non-magnetic
Aluminum, EN AC-48000, chill cast, T5 Optical, aesthetic and acoustic properties
Transparency
Opaque
Acoustic velocity
5.13e3
–
5.24e3
m/s
Mechanical loss coefficient (tan delta)
0.0184
–
0.0215
Aluminum, EN AC-48000, chill cast, T5 Processing properties
Metal casting
Acceptable
Metal cold forming
Unsuitable
Metal hot forming
Unsuitable
Metal press forming
Unsuitable
Metal deep drawing
Unsuitable
Machining speed
76.2 m/min
Weldability Notes: Preheating and post weld heat treatments are not required
Excellent
Aluminum, EN AC-48000, chill cast, T5 Durability
Water (fresh)
Excellent
Water (salt)
Acceptable
Weak acids
Excellent
Strong acids
Excellent
Weak alkalis
Acceptable
Strong alkalis
Unacceptable
Organic solvents
Excellent
Oxidation at 500C
Unacceptable
UV radiation (sunlight)
Excellent
Galling resistance (adhesive wear) Notes: Aluminum alloys perform poorly when self-mated but can be processed without galling when mated with steels.
Limited use
Flammability
Non-flammable
Aluminum, EN AC-48000, chill cast, T5 Corrosion resistance of metals
Stress corrosion cracking Note: Rated in chloride; Other susceptible environments: Halide, water
Susceptible
Aluminum, EN AC-48000, chill cast, T5 Standards with similar compositions
Austria: AlSi12CuMgNi to ONORM M3429
Belgium: AlSi12CuNi to NBN P21-101
Czech Republic: 424336 to CSN
Europe: EN AB-48000 to CEN EN 1676, EN AC-48000 to CEN EN 1706
France: A-S11UNG to NF A50-702
Hungary: OAlSi12CuNiMg to MSZ 2679
India: 46258 to IS 7793, 4685 to IS 202 or 617
Japan: AC8A to JIS H5202, AC8A.1 to JIS H2211, AC8A.2 to JIS H2211
Russia: AK12MMgN to GOST 1583, AL30 to GOST 2685
South Africa: Al-Si12NiMgCu to SABS 991
Spain: L-2550 to UNE 38-255, L-2551 to UNE 38-203, L-2551 to UNE 38-265
