Stainless Steel Water Tank The stainless steel water tank is the latest generation of water tanks, following the glass fiber reinforced plastic water tank. Made with precision-molded SUS304 stainless steel plates, it boasts an attractive appearance, cost-effectiveness, and durability. Compared to other water tanks, the stainless steel tank offers numerous advantages such as a beautiful exterior, light weight, high strength, corrosion and high-temperature resistance, clean water quality, leakage prevention, shock resistance, no moss growth, no secondary water pollution, easy installation, no maintenance required, and ease of cleaning.