6082 Aluminum Alloy 6082-T6 T651 AlMgSi1 (AlSi1MgMn – 3.2315) Properties

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6082 Aluminum Alloy – Al 6082-T6 T651 T4 – AlSi1MgMn (AlMgSi1 – 3.2315)

6082 aluminum is an Al-Mg-Si heat-treatable reinforced alloy with good formability, weldability, machinability, medium strength, and good operability after annealing. The main tempering conditions include 6082-T6, T4, T651, etc. Alloy 6082 is registered in 1972 by European Aluminium Association (EAA), it is a very common alloy product in Europe because it has higher strength (tensile strength is 10% to 18% higher than Aluminum 6061, depending on thickness) and better overall corrosion resistance (due to lower copper content) than Al-6061, and approximately equal density 0.098 lb/in3 (2,710 kg/m3), extrudability and anodizing response.

Although 6082 material is also a registered Aluminum Association alloy, it has not been included in some ASTM aluminum material specifications to date because the necessary statistics to establish minimum mechanical properties in the United States have not been collected and provided. 6082 aluminum alloy is gaining more attention in the United States, but it is far less used than 6061 and 7075.

AA 6082 is equivalent to AlMgSi1 (3.2315) in German standard DIN 1725-1 and AlSi1MgMn in European standard EN 573-3.

Aluminum 6082 T6 T651 T4 Properties

The following tables summarize auminium 6082 T6 T651 T4 properties including chemical composition, physical properties, mechanical properties, hardness etc.

Chemical Composition

The chemical composition of aluminum 6082-T6, T651 is given in the following datasheet.

Chemical Composition, %
Standard AA Aluminum [EN (Material Number)] Si Fe, ≤ Cu, ≤ Mn, ≤ Mg Cr, ≤ Zn, ≤ Ti, ≤ Other element, Each (Total), ≤ Al
ASTM B221;
DIN EN 573-3
6082
[EN AW-6082 (3.2315)]
0.7-1.3 0.50 0.10 0.40-1.0 0.6-1.2 0.25 0.20 0.10 0.05 (0.15) Rest

Note:

  • DIN EN 573-3: Aluminum and aluminum alloys – Chemical composition and form of semi-finished products.
  • ASTM B221: Aluminium and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

Physical Properties of Alloy 6082

The physical properties of Aluminum 6082 (3.2315) are given in the data sheet below, including aluminum density, melting point, coefficient of thermal expansion, Young’s modulus, thermal conductivity, specific heat, electrical conductivity, and electrical resistivity.

Note:

  • 10-6·K-1 = 10-6/K = 1 μm/m·°C
  • 1 Ω·mm²/m = 1 μΩ·m
  • 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
  • 1 GPa = 1 kN/mm2
  • 1 MPa = 1 N/mm2
  • MS/m = 0,58% IACS
  • 1 cal/(g.C) = 1 Btu/(lb⋅F)
Physical Properties of Aluminum 6082 Metric Imperial
Density 2.71 kg/dm3 0.098 lb/in3
Specific weight 2.71
Melting point 585-650 °C 1085-1200°F
Specific heat capacity 896 [J/kg·K] 0.214 [Btu/lb·°F]
Coefficient of thermal expansion (CTE) 23.4 [10-6/K] 13 [μin./in. ·°F]
Thermal conductivity 150-170 [W/m·°C] 86.73-98.3 [BTU/h∙ft∙°F]

Aluminum 6082-T6 T651 Mechanical Properties

The mechanical properties of Al-6082-T6, T651 are listed in the following datasheet, including yield strength, tensile strength, etc.

Mechanical properties of aluminum 6082-T6, T651 sheet, plate and strip

EN 485-2, Mechanical properties of EN AW-6082-T6 T651 (AlSi1MgMn)
Material condition Nominal thickness, mm (in.) Tensile strength, Mpa (ksi), ≥ 0.2 % yield strength, Mpa (ksi), ≥ Elongation, 5.65√So, %. ≥ Elongation, 50 mm, %. ≥ Bend radius, 180° (a) Bend radius, 90° (a) Hardness, HBW (a)
O ≥ 0.4-1.5 (0.0157-0.0591) ≤150 (21.76) ≤85 (12.3) 14 1.0 t 0.5 t 40
1.5-3.0 (0.0591-0.0602) ≤150 (21.76) ≤85 (12.3) 16 1.0 t 1.0 t
3.0-6.0 (0.0602-0.0236) ≤150 (21.76) ≤85 (12.3) 18 1.5 t
6.0-12.5 (0.0236-0.492) ≤150 (21.76) ≤85 (12.3) 17 2.5 t
12.5-75.0 (0.492-2.953) ≤150 (21.76) 16
6082-T4,
T451
≥ 0.4-1.5 (0.0157-0.0591) 205 (29.73) 110 (16) 12 3.0 t (b) 1.5 t (b) 58
1.5-3.0 (0.0591-0.0602) 14 3.0 t (b) 2.0 t (b)
3.0-6.0 (0.0602-0.0236) 15 3.0 t (b)
6.0-12.5 (0.0236-0.492) 14 4.0 t (b)
12.5-40.0 (0.492-1.575) 13
40.0-80.0 (1.575-3.150) 12
6082-T4,
T451
≥ 0.4-1.5 (0.0157-0.0591) 205 (29.73) 95 (13.8) 12 3.0 t (b) 1.5 t (b) 57
1.5-3.0 (0.0591-0.0602) 14 3.0 t (b) 2.0 t (b)
3.0-6.0 (0.0602-0.0236) 15 3.0 t (b)
6.0-12.5 (0.0236-0.492) 14 4.0 t (b)
12.5-40.0 (0.492-1.575) 13
40.0-80.0 (1.575-3.150) 12
EN AW 6082-T6,
EN AW 6082-T651,
T62
≥ 0.4-1.5 (0.0157-0.0591) 310 (45) 260 (37.7) 6 2.5 t (b) 94
1.5-3.0 (0.0591-0.0602) 310 (45) 260 (37.7) 7 3.5 t (b) 94
3.0-6.0 (0.0602-0.0236) 310 (45) 260 (37.7) 10 4.5 t (b) 94
6.0-12.5 (0.0236-0.492) 300 (43.5) 255 (37) 9 6.0 t (b) 91
12.5-60.0 (0.492-2.362) 295 (42.8) 240 (35) 8 89
60.0-100.0 (2.362-3.937) 295 (42.8) 240 (35) 7 89
100.0-150.0 (3.937-5.906) 275 (40) 240 (35) 6 84
150.0-175.0 (5.906-6.890) 275 (40) 230 (33.4) 4 83
175.0-350.0 (6.890-13.780) 260 (37.7) 220 (32) 2
6082-T61,
T6151
≥ 0.4-1.5 (0.0157-0.0591) 280 (40.6) 205 (30) 10 2.0 t (b) 82
1.5-3.0 (0.0591-0.0602) 280 (40.6) 205 (30) 11 2.5 t (b) 82
3.0-6.0 (0.0602-0.0236) 280 (40.6) 205 (30) 11 4.0 t (b) 82
6.0-12.5 (0.0236-0.492) 280 (40.6) 205 (30) 12 5.0 t (b) 82
12.5-60.0 (0.492-2.362) 275 (40) 200 (29) 12 81
60.0-100.0 (2.362-3.937) 275 (40) 200 (29) 10 81
100.0-150.0 (3.937-5.906) 275 (40) 200 (29) 9 81
150.0-175.0 (5.906-6.890) 275 (40) 200 (29) 8 81

Note:

  • (a) Only for information.
  • (b) Significantly lower cold bend radii can be achieved immediately after quenching.

Mechanical Properties of Al-6082-T6 T4 (AlMgSi1) Drawn Bar and Tube

DIN EN 754-2, Drawn Bars
Material condition Dimensions, mm (in.) Tensile strength, Mpa (ksi), ≥ 0.2 % yield strength, Mpa (ksi), ≥ Elongation, 5.65√So, %, ≥ Elongation, 50 mm, %, ≥ Hardness (HBW), typical value
O, H111 ≤ 80 (3.150) ≤160 (23) ≤110 (16) 15 13 35
6082-T4 (c) ≤ 80 (3.150) 205 (30) 110 (16) 14 12 70
6082-T6 (c) ≤ 80 (3.150) 310 (50) 255 (37) 10 9 95
DIN EN 754-2, Drawn tubes
Material condition Wall thickness (t), mm (in) Tensile strength, Mpa (ksi), ≥ 0.2 % yield strength, Mpa (ksi), ≥ Elongation, 5.65√So, %, ≥ Elongation, 50 mm, %, ≥ Hardness (HBW), typical value
O, H111 ≤ 20 (0.787) ≤160 (23) ≤110 (16) 15 13 35
6082-T4 (c) ≤ 20 (0.787) 205 (30) 110 (16) 14 12 70
6082-T6 (c) ≤ 5 (0.197) 310 (50) 255 (37) 8 7 95
5<t≤20 (0.197<t≤0.787) 310 (50) 240 (35) 10 9 95

Note:

  • Dimensions: diameter of round bars or width across flats of square and hexagonal bars, thickness of rectangular bars.
  • (a): The properties may be obtained by press quenching.

Aluminium 6082-T6 T4 Extruded bars and tube profiles

EN 755-2, Extruded Bars
Material condition Dimensions, mm (in.) Tensile strength, Mpa (ksi), ≥ 0.2 % yield strength, Mpa (ksi), ≥ Elongation, 5.65√So, %, ≥ Elongation, 50 mm, %, ≥ Hardness (HBW), typical value
O, H111 ≤200 (7.87) ≤160 (23) ≤110 (16) 14 12 35
6082-T4 (a) ≤200 (7.87) 205 (30) 110 (16) 14 12 70
6082-T6 (a) ≤ 20 (0.787) 295 (43) 250 (36) 8 6 95
20<D≤150 (0.787<D≤5.91) 310 (50) 260 (38) 8
150<D≤200 (5.91<D≤7.87) 280 (41) 240 (35) 6
200<D≤250 (7.87<D≤9.84) 270 (39) 200 (29) 6
EN 755-2, Extruded tubes
Material condition Wall thickness (t), mm (in) Tensile strength, Mpa (ksi), ≥ 0.2 % yield strength, Mpa (ksi), ≥ Elongation, 5.65√So, %, ≥ Elongation, 50 mm, %, ≥ Hardness (HBW), typical value
O, H111 ≤25 (0.984) ≤160 (23) ≤110 (16) 14 12 35
T4 (a) ≤25 (0.984) 205 (30) 110 (16) 14 12 70
T6 (a) ≤5 (0.197) 290 (42) 250 (36) 8 6 95
5<t≤ 25 (0.197<t≤0.984) 310 (50) 260 (38) 10 8
EN 755-2, Extruded profiles
Material condition Wall thickness (t), mm (in) Tensile strength, Mpa (ksi), ≥ 0.2 % yield strength, Mpa (ksi), ≥ Elongation, 5.65√So, %, ≥ Elongation, 50 mm, %, ≥ Hardness (HBW), typical value
O, H111 all ≤160 (23) ≤110 (16) 14 12 35
T4 (a) ≤ 25 (0.984) 205 (30) 110 (16) 14 12 70
T5, Open profile ≤ 5 (0.197) 270 (39) 230 (33) 8 6 90
T6, Open profile (a) ≤ 5 (0.197) 290 (42) 250 (36) 8 6 95
5<t≤25 (0.197<t≤0.984) 310 (50) 260 (38) 10 8
T5, hollow profiles ≤ 5 (0.197) 270 (39) 230 (33) 8 6 90
T6, hollow profiles (a) ≤ 5 (0.197) 290 (42) 250 (36) 8 6 95
5<t≤25 (0.197<t≤0.984) 310 (50) 260 (38) 10 8

Note:

  • Dimensions: diameter of round bars or width across flats of square and hexagonal bars, thickness of rectangular bars.
  • (a): The properties may be obtained by press quenching.

Applications of Aluminum 6082

The use of the Al-6082 is similar to that of the Aluminum 6061, such as:

  • Building structures and frames
  • Bike frame
  • Welded structure
  • Space frame
  • Commercial vehicles
  • Ladders
  • Heat exchanger
  • Car parts
  • Boat deck
  • Optical device
  • Doors and windows
  • Perforated aluminum sheet
  • Wall cladding
  • Building facades
  • Valves and valve parts etc.

Aluminum Alloy 6082 Equivalent Material

Aluminum Alloy 6082 equivalent material is listed in the table below, including US ASTM; ISO, Japanese JIS and Chinese GB standard.

Note: DIN 1725-1 has been replaced by DIN EN 573-3.

Aluminum Alloy 6082 Equivalent Material
German European US ISO Japanese Australian Chinese
Standard Designation (Material Number) Standard Numeric (Chemical symbols) Standard AISI (UNS) Standard Designation Standard Designation Standard Designation Standard Designation
DIN 1725-1 AlMgSi1 (3.2315) EN 573-3 EN AW-6082
(AlSi1MgMn)
ASTM B221,
ASTM B241/B241M,
ASTM B429/B429M
6082 (UNS A96082) ISO 209 AW-6082 JIS H4000;
JIS H4040
6082 AS 2848.1,
AS/NZS 1734,
AS/NZS 1865,
AS/NZS 1866
6082 GB/T 3190;
GB/T 3880.2
6082

Related Material: Aluminum Weight Calculator, Density of Aluminum, 5052 Aluminum, 2024 Aluminum

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