Aluminum 5456 (annealed) Material Data Sheet

Aluminum 5456 Designation

5456, wrought
Condition	O (Annealed)
UNS number	A95456
EN name	EN AW-5456 (EN AW-Al Mg5Mn1(A))

Aluminum 5456 Typical uses

Armor plate, high strength welded structures, storage tanks, pressure vessels, marine service

Aluminum 5456 Composition detail

Al (aluminum)	92	–	94.8	%
Cr (chromium)	0.05	–	0.2	%
Cu (copper)	0	–	0.1	%
Fe (iron)	0	–	0.4	%
Mg (magnesium)	4.7	–	5.5	%
Mn (manganese)	0.5	–	1	%
Si (silicon)	0	–	0.25	%
Ti (titanium)	0	–	0.2	%
Zn (zinc)	0	–	0.25	%
Other	0	–	0.15	%

Aluminum 5456 Physical properties

Density

2.64

–

2.67

g/cm³

Aluminum 5456 Mechanical properties

Young’s modulus	70	–	73.6	GPa
Specific stiffness	26.3	–	27.7	MN.m/kg
Yield strength (elastic limit)	103	–	131	MPa
Tensile strength	262	–	290	MPa
Specific strength	38.8	–	49.3	kN.m/kg
Elongation	12	–	16	% strain
Compressive strength	131	–	145	MPa
Flexural modulus	70	–	73.6	GPa
Flexural strength (modulus of rupture)	103	–	131	MPa
Shear modulus	27	–	28.4	GPa
Bulk modulus	69	–	72.5	GPa
Poisson’s ratio	0.33	–	0.343
Shape factor	39
Hardness – Vickers	98	–	108	HV
Elastic stored energy (springs)	74.8	–	118	kJ/m³
Fatigue strength at 10^7 cycles	144	–	160	MPa
Fatigue strength model (stress range) _{Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles}	135	–	170	MPa

Aluminum 5456 Impact & fracture properties

Fracture toughness	35	–	45	MPa.m^0.5
Toughness (G)	17.3	–	27.8	kJ/m²

Aluminum 5456 Thermal properties

Melting point	570	–	638	°C
Maximum service temperature	80	–	100	°C
Minimum service temperature	-273			°C
Thermal conductivity	117	–	127	W/m.°C
Specific heat capacity	963	–	1e3	J/kg.°C
Thermal expansion coefficient	24.8	–	26.1	µstrain/°C
Thermal shock resistance	56.1	–	72	°C
Thermal distortion resistance	4.56	–	5.01	MW/m
Latent heat of fusion	384	–	393	kJ/kg

Aluminum 5456 Electrical properties

Electrical resistivity	5.85	–	6.05	µohm.cm
Electrical conductivity	28.5	–	29.5	%IACS
Galvanic potential	-0.83	–	-0.75	V

Aluminum 5456 Magnetic properties

Magnetic type

Non-magnetic

Aluminum 5456 Optical, aesthetic and acoustic properties

Transparency	Opaque
Acoustic velocity	5130	–	5260	m/s
Mechanical loss coefficient (tan delta)	1e-4	–	0.002

Aluminum 5456 Processing properties

Metal casting	Unsuitable
Metal cold forming	Limited use
Metal hot forming	Acceptable
Metal press forming	Acceptable
Metal deep drawing	Limited use
Machining speed	162 m/min
Weldability _{Notes: Preheating and post weld heat treatments are not required}	Excellent

Aluminum 5456 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 5456 Corrosion resistance

Stress corrosion cracking
_{Note: Rated in chloride; Other susceptible environments: Halide, water}

Susceptible

Aluminum 5456 Standards with similar compositions

Europe: EN AW-5456A to CEN EN 573-3, EN AW-5556A to CEN EN 573-3

France: EAlMg5Mn to NF A81-331, MAlMg5Mn to NF A81-331

Germany: 3.3548 to DIN 1732-1, SG-AlMg4.5Mn to DIN 1732-1

Hungary: AlMg5 to MSZ 3714/1, H-AlMg4.5Mn to MSZ 4264

India: 55380 to IS, S-Al55380 to IS 5897

International: AlMg5Mn1 to ISO 209-1

UK: 5556A to BS 1475

USA: 5456, 5456 to ASTM B209M, 5456 to ASTM B210M, 5456 to ASTM B221M, 5456 to ASTM B241M, 5456 to MIL DTL-45225F, 5456 to MIL DTL-46027J, 5456 to MIL DTL-46083D, 5456 to QQ A-200/7, 5456 to QQ A-250/20, 5456 to QQ A-250/9, 5456A, 5556, 5556A, ER5556 to AWS A5.10/A5.10M, R5556 to AWS A5.10/A5.10M, UNS A95456, UNS A95556

Tradenames: ALUMINUM WIRE & ELECTRODES 5556, BAW 5556A, ENDUR-AL, OK TIGROD 18.20