Raffmetal, European leader in the recycled aluminium sector for over 40 years, offers the innovative SILVAL range of primary aluminium alloys from recycling with performance equal to primary aluminium alloys produced from bauxite. The use of recycled aluminium, compared to production from bauxite, enables a reduction in the energy consumption and carbon footprint of our customers’ castings.
Raffmetal’s know-how allows the application of the most advanced technological solutions in the treatment and selection of scrap, in addition to the strict control of the production process that guarantees a constant high quality.
*Data source: EA Circular Aluminium Action Plan (2020),
LCA Raffmetal and University of Siena,
Database Ecoinvent 3.6, Software SimaPro 9.1.1, Method CML-IA.
Alloy designation | |
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Numerical designation |
Chemical symbols |
42100 | AlSi7Mg0.3 |
42200 | AlSi7Mg0.6 |
42300 | AlSi7 (Mg) |
42400 | AlSi7MnMg |
43300 | AlSi9Mg |
43500 | AlSi10MnMg |
44000 | AlSi11 |
44600 | AlSi10Mn |
45500 | AlSi7Cu0.5Mg |
45600 | AlSi7Cu1Mg0.6 |
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% Recycling | Carbon footprint - Cradle to Gate - kg CO2eq/kg Al |
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6.5 | 7.5 | - | 0.15 | - | 0.03 | - | 0.10 | 0.30 | 0.45 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | 0.18 | 0.03 | 80 | 1.89 | ||||||||||||||||||||||||||||||||||
6.5 | 7.5 | - | 0.15 | - | 0.03 | - | 0.10 | 0.50 | 0.70 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | 0.18 | 0.03 | 80 | 1.95 | ||||||||||||||||||||||||||||||||||
6.5 | 7.5 | - | 0.15 | - | 0.03 | - | 0.10 | 0.10 | 0.30 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | 0.18 | 0.03 | 80 | 1.86 | ||||||||||||||||||||||||||||||||||
6.5 | 7.5 | - | 0.20 | - | 0.03 | 0.35 | 0.75 | 0.15 | 0.45 | 0.05 | 0.05 | 0.03 | 0.05 | 0.05 | 0.15 | 0.05 | 90 | 1.32 | ||||||||||||||||||||||||||||||||||
9.0 | 10.0 | - | 0.15 | - | 0.03 | - | 0.10 | 0.30 | 0.45 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | 0.15 | 0.03 | 80 | 2.15 | ||||||||||||||||||||||||||||||||||
9.0 | 11.5 | - | 0.20 | - | 0.03 | 0.40 | 0.80 | 0.15 | 0.60 | 0.05 | 0.05 | 0.07 | 0.05 | 0.05 | 0.15 | 0.03 | 90 | 1.58 | ||||||||||||||||||||||||||||||||||
10.0 | 11.8 | - | 0.15 | - | 0.03 | - | 0.10 | - | 0.45 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | 0.15 | 0.03 | 80 | 2.20 | ||||||||||||||||||||||||||||||||||
9.5 | 11.5 | 0,10 | 0.20 | - | 0.03 | - | 0.15 | - | 0.15 | 0.05 | 0.05 | 0.03 | 0.05 | 0.05 | 0.15 | 0.05 | 80 | 2.23 | ||||||||||||||||||||||||||||||||||
6.5 | 7.5 | - | 0.25 | 0,20 | 0.70 | - | 0.15 | 0.20 | 0.45 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | 0.20 | 0.03 | 100 | 0.48 | ||||||||||||||||||||||||||||||||||
6.5 | 7.5 | - | 0.15 | 0,8 | 1.6 | - | 0.10 | 0.50 | 0.70 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | 0.18 | 0.03 | 80 | 1.93 |