GGG-40.3, a cast iron material with nodular graphite with ensured notch impact energy at -20 °C and high toughness. Use for spring rockers, engine housings for rope hoists, water pump cases, bodies for machine tools, like stand, framework, housing, cross beams.
See where DIN 1693-1 Grade GGG-40.3 cast condition falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.
7.15 g/cm³ at 20 °C
Typical for Ductile (Nodular) Cast Iron
Coefficient of thermal expansionα
1.28E-5 1/K at 100 °C
Specific heat capacitycp
460 - 527 J/(kg·K) at 20 °C
Typical for Cast Iron
38 W/(m·K) at 100 °C
3.5 - 3.8 %
2 - 3 %
0.06 - 0.12 %
This material data has been provided by WIAM.