Acrylic Bathtub VS Fiberglass Bathtub. Both fiberglass bathtub and acrylic bathtub are the two most common bathtubs in the market. They are both molded plastic bathtubs. Acrylic bathtub has fiberglass in it, and fiberglass bathtub is made from more than just fiberglass.
Cold-formed steel (CFS) is the common term for products made by rolling or pressing steel into semi-finished or finished goods at relatively low temperatures (cold working).
Martensitic Stainless Steel. These stainless steels are alloys of iron, chromium [12 to 18%] and carbon. [up to 1%]. These stainless steels can be hardened by heat treatment. This type of. stainless steel is used where high mechanical strength combined with. corrosion resistance is required [e.g. knives].