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AddUp expands material portfolio with 17-4 Stainless Steel alloy

The material can now be used on the FormUp 350 PBF machine

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AddUp, a global additive manufacturing OEM, has expanded its material portfolio with the addition of 17-4 PH Stainless Steel alloy (one of the most well-known precipitation hardening steels). The material, which has been widely used in medical, aerospace, chemical, and petrochemical applications, can now be used on the company’s FormUp 350 powder bed fusion (PBF) machine.

AddUp is continuously working on adding new materials to its portfolio to meet application requirements for its customers. Recently qualifying 17- 4 PH for FormUp 350 machines, this material can be certified to ISO 7153/1 (ASTM F899) – making it suitable for a wide range of medical applications such as surgical instruments, medical screwdrivers, and dental burs.

AddUp expands material portfolio with 17-4 Stainless Steel alloy. The material can now be used on the FormUp 350 PBF machine.
AddUp’s FormUp 350.

“17-4 PH stainless steel exhibits full martensitic properties when processed conventionally. However, when additively manufactured layer-by-layer, it presents microstructural anisotropy, which can be homogenized through standard heat treatments. This unique characteristic allows for precise engineering of the microstructure, resulting in an optimal balance of strength, toughness, and corrosion resistance,” said Swathi Vunnam, Materials Engineering Manager at AddUp.

Equipped with a large build volume for enhanced productivity, roller recoating technology ensuring superior surface finish, and a fully automated, closed-loop Autonomous Powder Module (APM) power handling system, AddUp’s FormUp 350 is well suited for leveraging the capabilities of 17-4 PH stainless steel. Moreover, AddUp offers comprehensive support from application discovery to development, qualification, and full industrial-scale production. The company’s proficient technical team collaborates closely with customers to tailor materials to specific application requirements, while in-house material testing capabilities expedite the development process.

Earlier this year, Michelin, a co-founder of AddUp, acquired its sixth AddUp FormUp 350 metal 3D printer for the serial production of tire molds, following the successful installation and operation of their first one in 2022. Thanks to the productivity and serial production capabilities of AddUp’s AM machines, each new FormUp 350 reportedly replaces five legacy AM machines.

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Edward Wakefield

Edward is a freelance writer and additive manufacturing enthusiast looking to make AM more accessible and understandable.

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