Thermodur

Thermodur® – a glimpse into the future
A new material that withstands high temperatures like never before, allowing it play a key role in increased efficiency in combustion engines: increased output, lower fuel consumption, greater durability and lower CO2 - emissions.

This alloy simulates the spider's silk: outstanding mechanical properties, maximum strength, stable, resilient and incredibly light.

Thermodur-72 Thermodur-73
Note technical information!

Thermodur®-72 [ AlMg7Si3Mn ]

Areas of use
Manufacture of engines, crankcases, engine components.

Distinguishing characteristics
High pressure die casting alloy for the manufacture of engines for parts that require very good mechanical properties at elevated temperatures and high corrosion resistance.

Alloy denomination
Chemical denomination: AlMg7Si3Mn



Composition [ % of mass ]

SiFeCuMnMgZnTiBe
2,8 – 3,20,150,030,5 – 0,87,0 – 8,80,070,150,004
Mechanical properties

Ageing
temperature
Ageing
time
Yield tensile strength
Rp0,2 [N/mm2]
Ultimate tensile strength
Rm [N/mm2]
Elongation
A [%]
Brinell hardness
HBW
20 °C190 – 220350 – 3807 – 1080 – 100
150 °C500 h220 – 245260 – 290> 15
225 °C500 h150 – 175180 – 205> 20

Thermodur®-73
[ AlSi11Cu2Ni2Mg2Mn ]

Areas of use
Manufacture of engines, crankcases, engine components.

Distinguishing characteristics
High pressure die casting alloy for the manufacture of engines for parts that require very goog mechanical properties at elevated temperatures and high corrosion resistance.

Alloy denomination
Chemical denomination: AlSi11Cu2Ni2Mg2Mn



Composition [ % of mass ]

SiFeCuMnMgZnTiother
10,0 – 11,80,151,8 – 2,30,41,8 – 2,30,100,101,8 – 2,3 Ni; Sr
Mechanical properties

Ageing
temperature
Ageing
time
Yield tensile strength
Rp0,2 [N/mm2]
Ultimate tensile strength
Rm [N/mm2]
Elongation
A [%]
Brinell hardness
HBW
20 °C500 h270 – 300300 – 320< 1130 – 150
150 °C500 h280 – 310330 – 355< 1
225 °C500 h130 – 155250 – 2801– 2