Hitachi Metals releases ADMUSTER C21P nickel-base alloy for metal Additive Manufacturing

September 21, 2022

Hitachi Metals has released its ADMUSTER C21P nickel-base alloy powder for metal Additive Manufacturing (Courtesy Hitachi Metals)
Hitachi Metals has released its ADMUSTER C21P nickel-base alloy powder for metal Additive Manufacturing (Courtesy Hitachi Metals)

Hitachi Metals, Ltd., Japan, has released its ADMUSTER® C21P nickel-base alloy powder for metal Additive Manufacturing, enabling the production of complex shapes with high corrosion resistance and high strength. The alloy, one of the powders in Hitachi Metals’ ADMUSTER series, is reported to additively manufacture products with around 100 times or more the corrosion resistance of typical 316L stainless steel.

The company has been developing AM-specific materials at its Global Research & Innovative Technology centre (GRIT) in Kumagaya. Having rolled out the ADMUSTER series of metal Additive Manufacturing materials, which includes a range of metals with high corrosion resistance and high strength, the company is keen to highlight its potential in numerous applications.

ADMUSTER C21P is a powder based on MAT21®, a nickel-base alloy for wrought products developed at Hitachi Metals’ Okegawa Works. It currently has one of the highest Pitting Resistance Equivalent (PRE) numbers of all of the company’s metal AM materials. Components additively manufactured from ADMUSTER C21P are reported to have the same corrosion resistance as wrought MAT21, along with excellent strength and hardness (see Tables 1 and 2). Test results show that compared to stainless steel 316L, a material with relatively high corrosion resistance, as-built C21P test specimens have superior corrosion resistance.

Table 1 A representative comparison of corrosion speeds of ADMUSTER C21P AM material and various forging & rolling materials in acid aqueous solutions (Courtesy Hitachi Metals)
Table 1 A representative comparison of corrosion speeds of ADMUSTER C21P AM material and various forging & rolling materials in acid aqueous solutions (Courtesy Hitachi Metals)
Table 2 Mechanical properties of ADMUSTER® C21P AM material and various forging & rolling materials (Courtesy Hitachi Metals)
Table 2 Mechanical properties of ADMUSTER® C21P AM material and various forging & rolling materials (Courtesy Hitachi Metals)

Many chemical plants and semiconductor manufacturing plants, for example, use highly corrosive fluid and the corrosion resistance of parts used in this environment is important. Using parts with higher corrosion resistance makes it possible to improve reliability.

The higher reliability of components built with such materials as ADMUSTER C21P can lead to a reduction in operational downtime and lowers the frequency of component replacement. The Additive Manufacturing process also enables shorter part production lead times and helps reduce CO2.

Hitachi Metals confirmed it plans to further strengthen and expand the lineup of its ADMUSTER series, meeting the needs of those applications requiring heat resistance, wear resistance, corrosion resistance, and high functionality.

www.hitachi-metals.co.jp

Hitachi Metals has released its ADMUSTER C21P nickel-base alloy powder for metal Additive Manufacturing (Courtesy Hitachi Metals)

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