Desktop Metal Qualifies 420 Stainless Steel for Production System

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Office metal qualified 420 (420 SS) grade stainless steel for use on its production system metal 3D printing platform.

It comes just weeks after the company qualified the IN625 nickel alloy for the production system and also follows recent launches of Ti64 for its Studio System 2 and 316L stainless steel for its Shop System. By enabling 3D printing of 420 stainless steel on the production system, Desktop Metal believes that users will be able to mass-produce high-strength end-use parts in industries such as medical, aerospace and of consumption.

420 SS material is a heat treated martensitic stainless steel which exhibits high strength, hardness and corrosion resistance to atmosphere, food, fresh water and mild acids when fully cured. These include frequently used surgical and dental instruments, ball bearings, pump and valve components, hand tools and premium cutlery. Desktop Metal also tested the material on the additive manufacturing of an aerospace valve nozzle adapter, medical locking hinge bar and twin screw extruder mixing elements.

“Engineers continue to research metal additive manufacturing as a leading option to drive innovation in design and manufacturing,†commented Desktop Metal co-founder and CTO Jonah Myerberg. “We believe that our qualification of 420 stainless steel and other high strength alloys will accelerate the deployment of our AM 2.0 solutions among customers looking to successfully mass-produce critical parts on a large scale. “

420 SS material joins 4140 low alloy steel, 17-4PH stainless steel, 316L stainless steel and IN625 nickel alloy in the production system material portfolio, while several materials qualified by customer are also supported by the machine. Desktop Metal also announced its intention to launch additional stainless steels, tool steels, superalloys and copper materials to its portfolio.


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