Investment casting with stainless steel is an excellent option for many specialized applications. Its corrosion-resistant properties enable it to stand up to punishing environments. It is also easily cleanable, making it ideal for uses where sterile conditions are necessary. Stainless steel, which is also known as inox steel derived from the French inoxydable, which means inoxidizable, consists of at least 10.5% chromium and a maximum of 1.2% carbon. There are many stainless steel alloys, with different compositions designed to achieve desired properties. Currently, there are more than 150 grades of stainless steel, 15 of which are most commonly used.