HeatOnn Alloys

Aluminium Rods, Flats & Plates

Aluminium is a lightweight, corrosion-resistant, and versatile metal widely used across industries for its excellent mechanical and physical properties. Aluminium rods, flats, and plates are essential forms of this metal, engineered for a variety of structural, manufacturing, and industrial applications.

Aluminium Rods

Aluminium rods are cylindrical bars available in various diameters and lengths. They are highly valued for their strength-to-weight ratio, corrosion resistance, and excellent machinability, making them ideal for:

Automotive components
Aerospace structures
Machinery and equipment
Fasteners, shafts, and pins

Rods can be supplied in pure aluminium or alloyed forms, with tempering options like T6, T73, or T7651 for enhanced strength and performance.

Aluminium Flats

Aluminium flats are rectangular or square cross-section bars, typically used in applications requiring high strength and precision. They are popular for:

Frames and support structures
Industrial fabrication and construction
Marine and offshore components
Heavy-duty structural applications

Available in various thicknesses and widths, aluminium flats offer excellent formability, welding compatibility, and surface finish.

Aluminium Plates

Aluminium plates are flat, broad sheets supplied in thicker dimensions than flats, ideal for high-strength and load-bearing applications. Plates are widely used in:

Aerospace and defense structural components
Shipbuilding and marine applications
Pressure vessels and tanks
Heavy machinery and fabrication

Aluminium plates can be supplied in rolled or machined forms, with options for heat treatment to enhance strength, hardness, and corrosion resistance.

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Key Features

Excellent machinability – often known as “Free Machining Alloy”
High mechanical strength
Good surface finish and dimensional stability
Moderate corrosion resistance
Good strength-to-weight ratio
Not suitable for anodizing where appearance is critical (due to copper content)
Ideal for high-speed automatic lathes and precision machined parts

Chemical Composition (% by weight)

Element	Minimum	Maximum
Copper (Cu)	5.0	6.0
Iron (Fe)	—	0.70
Silicon (Si)	—	0.40
Magnesium (Mg)	—	0.30
Bismuth (Bi)	0.20	0.60
Lead (Pb)	0.20	0.60
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	350 – 390	MPa
Yield Strength (0.2% Offset)	260 – 280	MPa
Elongation (in 50 mm)	8 – 12	%
Brinell Hardness	95 – 105	HB
Shear Strength	230	MPa
Modulus of Elasticity	71	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.82	g/cm³
Melting Range	510 – 650	°C
Thermal Conductivity	160	W/m·K
Electrical Conductivity	36% IACS	—
Coefficient of Thermal Expansion	23.6 × 10⁻⁶	/°C
Specific Heat Capacity	0.875	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Size Range	Length (mm)	Supply Condition
Rods / Bars	3 mm – 200 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 3000 × 1500	Hot Rolled / Machined

Applications

Automatic lathe and precision machining parts
Hardware and fasteners
Automotive components
Valve and screw machine products
Connectors and couplings
Fuse parts and threaded components
Industrial fittings and instrument parts

Key Features

High strength and hardness
Excellent machinability and good surface finish
Good weldability (by resistance methods)
Fair corrosion resistance — improved with anodizing
High fatigue resistance and toughness
Good strength retention at elevated temperatures
Suitable for heavy-duty structural and machined parts

Chemical Composition (% by weight)

Element	Minimum	Maximum
Copper (Cu)	3.9	5.0
Silicon (Si)	0.5	1.2
Magnesium (Mg)	0.2	0.8
Manganese (Mn)	0.4	1.2
Iron (Fe)	—	0.7
Chromium (Cr)	—	0.10
Zinc (Zn)	—	0.25
Titanium (Ti)	—	0.15
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	430 – 480	MPa
Yield Strength (0.2% Offset)	270 – 310	MPa
Elongation (in 50 mm)	10 – 15	%
Brinell Hardness	120 – 130	HB
Fatigue Strength	120	MPa
Shear Strength	280	MPa
Modulus of Elasticity	72	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.80	g/cm³
Melting Range	510 – 650	°C
Thermal Conductivity	150	W/m·K
Electrical Conductivity	35% IACS	—
Coefficient of Thermal Expansion	23.6 × 10⁻⁶	/°C
Specific Heat Capacity	0.875	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Aerospace and defence components
Automotive parts and engine components
High-strength structural applications
Bolts, nuts, and fasteners
Precision machined parts
Tooling and fixtures
Heavy-duty machinery components

Key Features

High strength and toughness
Excellent machinability and surface finish
Good fatigue and shear strength
Moderate corrosion resistance (improved with protective coatings)
Good weldability with suitable filler alloys
Retains strength at elevated temperatures
Heat-treatable alloy (typically supplied in T4, T6 tempers)

Chemical Composition (% by weight)

Element	Minimum	Maximum
Copper (Cu)	3.5	4.5
Silicon (Si)	0.2	0.8
Magnesium (Mg)	0.2	0.8
Manganese (Mn)	0.4	1.0
Iron (Fe)	—	0.7
Zinc (Zn)	—	0.25
Chromium (Cr)	—	0.10
Titanium (Ti)	—	0.15
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T4 / T6 Temper)

Property	Typical Value	Unit
Tensile Strength	420 – 460	MPa
Yield Strength (0.2% Offset)	260 – 300	MPa
Elongation (in 50 mm)	10 – 14	%
Brinell Hardness	115 – 125	HB
Fatigue Strength	110	MPa
Shear Strength	270	MPa
Modulus of Elasticity	71	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.80	g/cm³
Melting Range	510 – 650	°C
Thermal Conductivity	138	W/m·K
Electrical Conductivity	36% IACS	—
Coefficient of Thermal Expansion	23.5 × 10⁻⁶	/°C
Specific Heat Capacity	0.875	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Aerospace and aircraft components
Automotive parts and structural frames
Defence and military hardware
Fasteners, bolts, and screws
Precision machined and forged components
Engine parts and couplings
General engineering and tooling

Key Features

High strength and excellent fatigue resistance
Good machinability and workability
Heat-treatable alloy with superior mechanical performance
Moderate corrosion resistance (anodizing recommended)
Good strength-to-weight ratio
Excellent for structural applications

Chemical Composition (% by weight)

Element	Minimum	Maximum
Copper (Cu)	3.8	4.9
Magnesium (Mg)	1.2	1.8
Manganese (Mn)	0.3	0.9
Silicon (Si)	—	0.5
Iron (Fe)	—	0.5
Zinc (Zn)	—	0.25
Chromium (Cr)	—	0.10
Titanium (Ti)	—	0.15
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T4 / T6 Temper)

Property	Typical Value	Unit
Tensile Strength	470 – 490	MPa
Yield Strength (0.2% Offset)	320 – 340	MPa
Elongation (in 50 mm)	10 – 12	%
Brinell Hardness	120 – 130	HB
Fatigue Strength	138	MPa
Shear Strength	285	MPa
Modulus of Elasticity	73	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.78	g/cm³
Melting Range	502 – 638	°C
Thermal Conductivity	121	W/m·K
Electrical Conductivity	30% IACS	—
Coefficient of Thermal Expansion	23.2 × 10⁻⁶	/°C
Specific Heat Capacity	0.875	J/g·°C

Standard Sizes (Sheets & Coils)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Aerospace and aircraft structures
Automotive and transport components
Fasteners, fittings, and couplings
Defence and military components
Precision machined parts and tools
Wing and fuselage structures
High-performance engineering equipment

Key Features

High mechanical strength and toughness
Excellent machinability and surface finish
Good performance at elevated temperatures
Heat-treatable and weldable with suitable techniques
Moderate corrosion resistance (can be improved with coating or anodizing)
Good dimensional stability after heat treatment
High fatigue resistance

Chemical Composition (% by weight)

Element	Minimum	Maximum
Copper (Cu)	3.5	4.5
Magnesium (Mg)	1.2	1.8
Manganese (Mn)	0.2	0.8
Nickel (Ni)	1.7	2.3
Silicon (Si)	0.8	1.3
Iron (Fe)	—	0.8
Zinc (Zn)	—	0.25
Chromium (Cr)	—	0.10
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T61 / T6 Temper)

Property	Typical Value	Unit
Tensile Strength	420 – 460	MPa
Yield Strength (0.2% Offset)	260 – 300	MPa
Elongation (in 50 mm)	10 – 14	%
Brinell Hardness	110 – 120	HB
Fatigue Strength	125	MPa
Shear Strength	270	MPa
Modulus of Elasticity	71	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.80	g/cm³
Melting Range	520 – 640	°C
Thermal Conductivity	155	W/m·K
Electrical Conductivity	36% IACS	—
Coefficient of Thermal Expansion	22.9 × 10⁻⁶	/°C
Specific Heat Capacity	0.87	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Aerospace and aircraft engine components
Automotive pistons and cylinder heads
Forged components and heavy-duty parts
High-temperature mechanical assemblies
Hydraulic manifolds and couplings
Defence and marine applications
General engineering components

Key Features

Excellent corrosion resistance, especially in marine and chemical environments
High strength and toughness
Good weldability and formability
Excellent performance in cryogenic applications
Retains mechanical strength after welding
Non-heat-treatable, strain-hardened alloy
Good anodizing and surface finish capability

Chemical Composition (% by weight)

Element	Minimum	Maximum
Magnesium (Mg)	4.0	4.9
Manganese (Mn)	0.4	1.0
Silicon (Si)	—	0.4
Iron (Fe)	—	0.4
Copper (Cu)	—	0.1
Zinc (Zn)	—	0.25
Chromium (Cr)	0.05	0.25
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – H111 / H116 Temper)

Property	Typical Value	Unit
Tensile Strength	275 – 350	MPa
Yield Strength (0.2% Offset)	125 – 200	MPa
Elongation (in 50 mm)	12 – 17	%
Brinell Hardness	75	HB
Fatigue Strength	100	MPa
Shear Strength	175	MPa
Modulus of Elasticity	72	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.66	g/cm³
Melting Range	570 – 640	°C
Thermal Conductivity	117	W/m·K
Electrical Conductivity	28% IACS	—
Coefficient of Thermal Expansion	25.8 × 10⁻⁶	/°C
Specific Heat Capacity	0.90	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 150 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Shipbuilding and marine components
Pressure vessels and storage tanks
Cryogenic and low-temperature applications
Rail and road transport structures
Aircraft fuel tanks and structural panels
Welded structures and offshore platforms
Chemical and process industry equipment

Key Features

Excellent corrosion resistance, especially in seawater and marine environments
High strength and good toughness
Exceptional weldability and formability
Good performance in cryogenic and low-temperature service
Non-heat-treatable alloy strengthened by cold working
Good fatigue strength and impact resistance
Excellent surface finish and anodizing response

Chemical Composition (% by weight)

Element	Minimum	Maximum
Magnesium (Mg)	3.5	4.5
Manganese (Mn)	0.2	0.7
Chromium (Cr)	0.05	0.25
Silicon (Si)	—	0.4
Iron (Fe)	—	0.5
Copper (Cu)	—	0.1
Zinc (Zn)	—	0.25
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – H32 / H116 Temper)

Property	Typical Value	Unit
Tensile Strength	275 – 350	MPa
Yield Strength (0.2% Offset)	125 – 200	MPa
Elongation (in 50 mm)	12 – 20	%
Brinell Hardness	80	HB
Fatigue Strength	90	MPa
Shear Strength	190	MPa
Modulus of Elasticity	72	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.66	g/cm³
Melting Range	570 – 640	°C
Thermal Conductivity	121	W/m·K
Electrical Conductivity	30% IACS	—
Coefficient of Thermal Expansion	25 × 10⁻⁶	/°C
Specific Heat Capacity	0.90	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 150 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Shipbuilding and marine structures
Offshore platforms and underwater components
Storage tanks and pressure vessels
Cryogenic and low-temperature equipment
Rail and truck bodies
Structural and welded fabrications
Chemical processing and industrial applications

Key Features

Excellent corrosion resistance, especially in marine and chemical environments
Good strength and ductility
Excellent weldability and formability
Non-heat-treatable alloy strengthened by cold working
Resistant to stress corrosion cracking
Good surface finish and anodizing characteristics
Suitable for cryogenic applications

Chemical Composition (% by weight)

Element	Minimum	Maximum
Magnesium (Mg)	3.1	3.9
Manganese (Mn)	0.2	0.5
Chromium (Cr)	0.15	0.35
Silicon (Si)	—	0.25
Iron (Fe)	—	0.40
Copper (Cu)	—	0.10
Zinc (Zn)	—	0.20
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – H32 / H34 Temper)

Property	Typical Value	Unit
Tensile Strength	240 – 330	MPa
Yield Strength (0.2% Offset)	115 – 200	MPa
Elongation (in 50 mm)	12 – 18	%
Brinell Hardness	70 – 80	HB
Fatigue Strength	90	MPa
Shear Strength	180	MPa
Modulus of Elasticity	70	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.66	g/cm³
Melting Range	570 – 640	°C
Thermal Conductivity	121	W/m·K
Electrical Conductivity	30% IACS	—
Coefficient of Thermal Expansion	25 × 10⁻⁶	/°C
Specific Heat Capacity	0.90	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 150 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Shipbuilding and marine structures
Pressure vessels and storage tanks
Chemical processing equipment
Rail and truck bodies
Architectural panels and frames
Cryogenic and low-temperature applications
Welded structures and general fabrications

Key Features

Excellent strength-to-weight ratio
Good corrosion resistance in atmospheric and marine environments
Good weldability and machinability
Heat-treatable (T6 condition provides high strength)
Good formability and surface finish
Excellent fatigue strength
Suitable for anodizing and coating applications

Chemical Composition (% by weight)

Element	Minimum	Maximum
Magnesium (Mg)	0.8	1.2
Silicon (Si)	0.4	0.8
Iron (Fe)	—	0.7
Copper (Cu)	0.15	0.40
Chromium (Cr)	0.04	0.35
Zinc (Zn)	—	0.25
Manganese (Mn)	—	0.15
Titanium (Ti)	—	0.15
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	290 – 320	MPa
Yield Strength (0.2% Offset)	240	MPa
Elongation (in 50 mm)	8 – 12	%
Brinell Hardness	95	HB
Fatigue Strength	96	MPa
Shear Strength	200	MPa
Modulus of Elasticity	68.9	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.70	g/cm³
Melting Range	580 – 650	°C
Thermal Conductivity	167	W/m·K
Electrical Conductivity	40% IACS	—
Coefficient of Thermal Expansion	23.6 × 10⁻⁶	/°C
Specific Heat Capacity	0.896	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 250 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 200 mm width	Up to 6000	Extruded
Plates	6 mm – 200 mm thick	Up to 3000 × 1500	Rolled / Machined

Applications

Aerospace and aircraft fittings
Automotive and motorcycle parts
Marine and offshore components
Structural and architectural applications
Frames, brackets, and fasteners
Transport and railway components
General engineering and fabrication work

Key Features

Excellent corrosion resistance and surface finish
Good formability and weldability
Suitable for anodizing and decorative finishes
Medium strength with good mechanical properties
Excellent extrudability and dimensional stability
Ideal for architectural and structural profiles
Lightweight with good heat dissipation

Chemical Composition (% by weight)

Element	Minimum	Maximum
Magnesium (Mg)	0.45	0.90
Silicon (Si)	0.20	0.60
Iron (Fe)	—	0.35
Copper (Cu)	—	0.10
Manganese (Mn)	—	0.10
Chromium (Cr)	—	0.10
Zinc (Zn)	—	0.10
Titanium (Ti)	—	0.10
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	190 – 230	MPa
Yield Strength (0.2% Offset)	160	MPa
Elongation (in 50 mm)	8 – 12	%
Brinell Hardness	73	HB
Fatigue Strength	65	MPa
Shear Strength	150	MPa
Modulus of Elasticity	68.3	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.70	g/cm³
Melting Range	615 – 655	°C
Thermal Conductivity	201	W/m·K
Electrical Conductivity	48% IACS	—
Coefficient of Thermal Expansion	23.5 × 10⁻⁶	/°C
Specific Heat Capacity	0.900	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 200 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 2500 × 1250	Rolled / Machined

Applications

Architectural structures and extrusions
Window and door frames
Railings, balustrades, and furniture
Automotive trims and frames
Heat exchangers and radiator tubes
Electrical bus bars and conductors
Marine and irrigation systems
General engineering components

Key Features

High strength alloy among 6000 series aluminium
Excellent corrosion resistance and surface finish
Good weldability and machinability
Suitable for anodizing and decorative finishes
Good formability and medium fatigue strength
Widely used in structural and marine applications
Non-heat treatable – mechanical properties improved by aging (T6 temper)

Chemical Composition (% by weight)

Element	Minimum	Maximum
Silicon (Si)	0.70	1.30
Magnesium (Mg)	0.60	1.20
Manganese (Mn)	0.40	1.00
Iron (Fe)	—	0.50
Copper (Cu)	—	0.10
Chromium (Cr)	—	0.25
Zinc (Zn)	—	0.20
Titanium (Ti)	—	0.10
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	290 – 340	MPa
Yield Strength (0.2% Offset)	240	MPa
Elongation (in 50 mm)	8 – 12	%
Brinell Hardness	95	HB
Fatigue Strength	90	MPa
Shear Strength	200	MPa
Modulus of Elasticity	69	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.70	g/cm³
Melting Range	555 – 650	°C
Thermal Conductivity	180	W/m·K
Electrical Conductivity	37% IACS	—
Coefficient of Thermal Expansion	23.4 × 10⁻⁶	/°C
Specific Heat Capacity	0.900	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 200 mm dia	Up to 6000	Extruded / Drawn
Flats	10 mm – 200 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 2500 × 1250	Rolled / Machined

Applications

Structural and load-bearing components
Marine and shipbuilding structures
Bridges and cranes
Transport and truck frames
Pressure vessels and tanks
Machined and precision-engineered parts
Architectural components and platforms

Key Features

Very high strength and excellent toughness
Good corrosion resistance in atmospheric and marine environments
Heat-treatable alloy (T7451 / T7651 tempers for peak strength)
Good fatigue strength and damage tolerance
Excellent machinability and dimensional stability
Used for aerospace, defense, and high-stress structures
Good resistance to stress corrosion cracking

Chemical Composition (% by weight)

Element	Minimum	Maximum
Zinc (Zn)	5.7	6.7
Magnesium (Mg)	2.1	2.9
Copper (Cu)	2.0	2.6
Chromium (Cr)	0.18	0.35
Iron (Fe)	—	0.12
Manganese (Mn)	—	0.10
Silicon (Si)	—	0.12
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T7451 / T7651 Temper)

Property	Typical Value	Unit
Tensile Strength	540 – 580	MPa
Yield Strength (0.2% Offset)	470 – 510	MPa
Elongation (in 50 mm)	11 – 14	%
Brinell Hardness	150 – 160	HB
Fatigue Strength	120	MPa
Shear Strength	330	MPa
Modulus of Elasticity	71	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.83	g/cm³
Melting Range	477 – 635	°C
Thermal Conductivity	165	W/m·K
Electrical Conductivity	28% IACS	—
Coefficient of Thermal Expansion	23 × 10⁻⁶	/°C
Specific Heat Capacity	0.880	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 150 mm dia	Up to 6000	Extruded / Rolled
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 2500 × 1250	Rolled / Machined

Applications

Aerospace structures, fuselage and wing components
High-strength structural parts in defense equipment
Marine and offshore components
Aircraft landing gears and bulkheads
Heavy-duty transport and automotive structural parts
High-stress engineering components

Key Features

Extremely high strength (one of the strongest aluminium alloys)
Good fatigue resistance and dimensional stability
Heat-treatable (T6 / T73 tempers for peak strength and stress corrosion resistance)
Good machinability and surface finish
Corrosion resistant when properly treated (cladding or coatings recommended for marine use)
Lightweight, ideal for aerospace and transportation applications
Non-weldable in standard form; machining or riveting recommended

Chemical Composition (% by weight)

Element	Minimum	Maximum
Zinc (Zn)	5.1	6.1
Magnesium (Mg)	2.1	2.9
Copper (Cu)	1.2	2.0
Chromium (Cr)	0.18	0.28
Iron (Fe)	—	0.5
Manganese (Mn)	—	0.3
Silicon (Si)	—	0.4
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	540 – 570	MPa
Yield Strength (0.2% Offset)	490 – 520	MPa
Elongation (in 50 mm)	11 – 13	%
Brinell Hardness	150 – 160	HB
Fatigue Strength	130	MPa
Shear Strength	320	MPa
Modulus of Elasticity	71	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.81	g/cm³
Melting Range	477 – 635	°C
Thermal Conductivity	130	W/m·K
Electrical Conductivity	16% IACS	—
Coefficient of Thermal Expansion	23 × 10⁻⁶	/°C
Specific Heat Capacity	0.880	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 150 mm dia	Up to 6000	Extruded / Rolled
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 2500 × 1250	Rolled / Machined

Applications

Aerospace structural components (fuselage, wings, bulkheads)
Defense and military equipment
High-strength transport and automotive parts
Marine and offshore high-stress components
Precision machined parts requiring high strength
Aircraft landing gears and wing structures

Key Features

High strength and excellent toughness
Superior fatigue resistance and dimensional stability
Heat-treatable (T6/T7 tempers for peak strength and stress corrosion resistance)
Good corrosion resistance and damage tolerance
Excellent machinability and surface finish
Lightweight, ideal for aerospace and defense components
Used in critical structural and high-stress applications

Chemical Composition (% by weight)

Element	Minimum	Maximum
Zinc (Zn)	5.7	6.7
Magnesium (Mg)	2.1	2.9
Copper (Cu)	1.2	2.0
Chromium (Cr)	0.18	0.28
Iron (Fe)	—	0.3
Manganese (Mn)	—	0.10
Silicon (Si)	—	0.20
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	540 – 580	MPa
Yield Strength (0.2% Offset)	490 – 520	MPa
Elongation (in 50 mm)	11 – 13	%
Brinell Hardness	150 – 160	HB
Fatigue Strength	130	MPa
Shear Strength	320	MPa
Modulus of Elasticity	71	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.81	g/cm³
Melting Range	477 – 635	°C
Thermal Conductivity	130	W/m·K
Electrical Conductivity	16% IACS	—
Coefficient of Thermal Expansion	23 × 10⁻⁶	/°C
Specific Heat Capacity	0.880	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 150 mm dia	Up to 6000	Extruded / Rolled
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 2500 × 1250	Rolled / Machined

Applications

Aerospace structures including wings, fuselage, and bulkheads
Defense and military high-stress components
High-strength transport and automotive structural parts
Marine and offshore applications with high fatigue requirements
Precision-engineered components requiring high strength and toughness
Aircraft landing gears and critical structural assemblies

Key Features

Very high strength with excellent toughness
Superior fatigue and stress corrosion resistance
Heat-treatable (T6/T7 tempers) for peak strength
Good dimensional stability and damage tolerance
Excellent machinability and surface finish
Lightweight, ideal for aerospace and defense structures
Used in critical structural and high-stress applications

Chemical Composition (% by weight)

Element	Minimum	Maximum
Zinc (Zn)	5.1	6.1
Magnesium (Mg)	2.0	2.5
Copper (Cu)	1.2	2.0
Chromium (Cr)	0.18	0.28
Iron (Fe)	—	0.3
Manganese (Mn)	—	0.10
Silicon (Si)	—	0.20
Other (each)	—	0.05
Other (total)	—	0.15
Aluminium (Al)	Balance

Mechanical Properties (Typical Values – T6 Temper)

Property	Typical Value	Unit
Tensile Strength	540 – 580	MPa
Yield Strength (0.2% Offset)	490 – 520	MPa
Elongation (in 50 mm)	10 – 12	%
Brinell Hardness	150 – 160	HB
Fatigue Strength	125	MPa
Shear Strength	315	MPa
Modulus of Elasticity	71	GPa
Poisson’s Ratio	0.33	—

Physical Properties

Property	Typical Value	Unit
Density	2.81	g/cm³
Melting Range	477 – 635	°C
Thermal Conductivity	130	W/m·K
Electrical Conductivity	16% IACS	—
Coefficient of Thermal Expansion	23 × 10⁻⁶	/°C
Specific Heat Capacity	0.880	J/g·°C

Standard Sizes (Rods, Flats & Plates)

Product Form	Thickness (mm)	Width (mm)	Length / Coil Form
Rods / Bars	6 mm – 150 mm dia	Up to 6000	Extruded / Rolled
Flats	10 mm – 150 mm width	Up to 6000	Extruded
Plates	6 mm – 100 mm thick	Up to 2500 × 1250	Rolled / Machined

Applications

Aerospace structural components including wings, fuselage, and bulkheads
Defense and military high-stress components
High-strength automotive and transportation structures
Marine and offshore components requiring corrosion resistance and toughness
Precision-engineered components requiring high strength and dimensional stability
Landing gears, bulkheads, and critical aerospace assemblies

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