Material Rates
The material rate changes in the 2021-04 release represent fluctuations in the materials markets. There were no material price assumption changes in this release, aside from the Regional Material Pricing in aPriori 21.1 covered in the What’s New section.
In general, the material market again saw significant growth driven by strong demand in manufacturing as the global economy continues to recover from the COVID-19 Pandemic, however, non-ferrous metals saw slower growth over previous trends.
The table shows the variation by material type between the 2021-01 to 2021-04 Regional Data Libraries Regional Data Libraries releases.
Non-Ferrous | Ferrous Metals | Plastics |
Aluminum | 10.4% | Ductile Iron | 17.3% | Nylon | 6.5% |
Aluminum Bronze | 15.7% | Galvanized Steel | 23.9% | Polyethylene | 34.5% |
Brass | 14.7% | Gray Iron | 17.4% | Polypropylene | 38.9% |
Bronze | 16.5% | Low-Alloy Steel | 23.1% | Polystyrene | 13.4% |
Copper | 13.2% | Malleable Cast Iron | 18.0% | | |
Heat Resistant Super Alloys | 10.2% | Stainless Steel | 10.8% | | |
Magnesium | 4.7% | Steel | 21.7% | | |
Titanium | 7.7% | Unalloyed Steel | 23.6% | | |
Zinc | 3.2% | | | | |
Zinc-Aluminum | 4.0% | | | | |