Manganese Powder – Manganese powder is most often used in the steel and iron industries to create alloys for the manufacturing of tools and machinery. The steel and iron alloys are often used to create car parts and materials for the construction industry. Nickel Based Alloy Powder – Nickel powder is combined with other metals, including steel and iron, in applications where corrosion resistance is a must, like in the marine industry. http://www.mana-metal.com/additive-manufacturing-powder/nickel-based-alloy-powder/