Desktop Metal Qualifies HH Stainless Steel Material for Production System

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Metal desk introduced a stainless steel that is said to combine high strength and hardness with corrosion resistance for its production system.

The launch of DM HH Stainless Steel (DM HH-SS) means there are now ten qualified metal materials, with this latest addition to the Desktop Metal materials portfolio suitable for application in the Oil & Gas, automotive, consumer products and medical devices. Previous materials to be qualified for the production system include D2 tool steel, 420 stainless steel and IN625 nickel alloy.

The DM HH-SS is derived from 13-8 PH stainless steel (UNS 13800) and custom developed by Desktop Metal. The heat treatable alloy is said to have the tensile strength, ductility and corrosion resistance of 13-8 PH stainless steel, while exhibiting improved hardness comparable to low alloy steels like 4140. Desktop Metal believes the material will help customers overcome the extra plating step for applications requiring corrosion protection that parts made with low alloy steels must endure.

“Our materials science team works diligently to develop innovative materials that meet the needs of our customers’ demanding applications in a cost-effective manner,” commented Jonah Myerberg, co-founder and CTO of Desktop Metal. “DM HH-SS is a compelling alternative to 17-4 PH stainless steel that improves its mechanical properties while maintaining corrosion resistance, making it suitable for critical components that previously required the use of stainless steels low alloyed for their high hardness and strength. The production system allows customers to go to market at scale with this material and eliminate operations, such as plating, which can create supply chain complexity and also be harmful to the environment. .


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