All the material or metalurgical sites I go to list these 2 Materials as the same. They must be real close in % of composition. Below is the usual response I get from searches:

UNS A95086; ISO AlMg4; Aluminium 5086-H116; AA5086-H116, UNS A95086; ISO AlMg4; Aluminium 5086-H32; AA5086-H32

Component    Wt. % 

Al 93 - 96.3  
Cr 0.05 - 0.25  
Cu Max 0.1  
Fe Max 0.5  
Component    Wt. % 


Mg 3.5 - 4.5  
Mn 0.2 - 0.7  
Other, each Max 0.05  
Other, total Max 0.15  
Component    Wt. % 


Si Max 0.4  
Ti Max 0.15  
Zn Max 0.25  


Material Notes:
Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.

Physical Properties Metric English Comments


Density 2.66 g/cc 0.0961 lb/in³  AA; Typical

Mechanical Properties


Hardness, Brinell 78 78  500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop 101 101  Converted from Brinell Hardness Value
Hardness, Vickers 88 88  Converted from Brinell Hardness Value
Ultimate Tensile Strength 290 MPa 42000 psi  AA; Typical
Tensile Yield Strength 207 MPa 30000 psi  AA; Typical
Elongation at Break 12 % 12 %  AA; Typical; 1/16 in. (1.6 mm) Thickness
Modulus of Elasticity 71 GPa 10300 ksi  In Tension
Modulus of Elasticity 71 GPa 10300 ksi  AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Compressive Modulus 72.4 GPa 10500 ksi  
Ultimate Bearing Strength 552 MPa 80100 psi  Edge distance/pin diameter = 2.0
Bearing Yield Strength 331 MPa 48000 psi  Edge distance/pin diameter = 2.0
Poisson's Ratio 0.33 0.33  
Fatigue Strength 150 MPa 21800 psi  5 E+8 cycles unnotched R. R. Moore rotating beam
Fracture Toughness 49 MPa-m½ 44.6 ksi-in½  KIC; TL orientation.
Machinability 30 % 30 %  0-100 Scale of Aluminum Alloys
Shear Modulus 26.4 GPa 3830 ksi  
Shear Strength 175 MPa 25400 psi  Calculated value.

Electrical Properties


Electrical Resistivity 5.49e-006 ohm-cm 5.49e-006 ohm-cm  AA; Typical at 68°F

Thermal Properties


CTE, linear 68°F 23.8 µm/m-°C 13.2 µin/in-°F  AA; Typical; Average over 68-212°F range.
CTE, linear 250°C 25.8 µm/m-°C 14.3 µin/in-°F  Average over the range 20-300ºC
Specific Heat Capacity 0.9 J/g-°C 0.215 BTU/lb-°F  
Thermal Conductivity 125 W/m-K 870 BTU-in/hr-ft²-°F  AA; Typical at 77°F
Melting Point 585 - 641 °C 1085 - 1185 °F  AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater
Solidus 585 °C 1085 °F  AA; Typical
Liquidus 641 °C 1185 °F  AA; Typical

Processing Properties


Annealing Temperature 343 °C 650 °F  holding at temperature not required
Hot-Working Temperature 316 - 482 °C 600 - 900 °

I think I will treat them as the same Base Metal Group when it comes to the make up of our WPS, WPQ and certifications requirements for welding.