The complexity of the forms that can be obtained is only variable than it is necessary to contain the costs of the molds.
The design limits are very few if not to find the right dimensioning for a Stainless Steel Trolley in the critical points of the jet, a work that must be done in collaboration with the foundry that must give you the right support.
When the characteristics of the aluminum are not suitable for certain functions, it is possible to insert in the specific point an insert in noble material that responds to functional requests.
A bronze insert was inserted in the side fusion. When the mold is filled, the molten metal completely incorporates the insert, becoming in fact a single body that can no longer be separated. Stainless steel is used extensively to manufacturer different types of products, including trolleys.