Formerly known as Inland NW Metallurgical Services, Stack Spokane is one of the company’s four locations offering a range of metal processing services. Installation of the Titan H6 2-bar vacuum furnace was completed in late 2019 and will be used to process critical aerospace components.
Stack operates four Ipsen furnaces in Spokane and a dozen more in Portland. From stress relieving, normalising, annealing and hardening, Ipsen has supplied Stack with numerous furnaces to meet just about any heat-treating need.
Titan furnaces achieve powerful performance using innovative technology and predictive maintenance capabilities all while maintaining a global platform, small footprint and short delivery times. This Titan H6 has a graphite hot zone, load size of 36" wide x 36" high x 48" deep and can process up to 3,000 lbs.
(Source: Ipsen USA)
Tenova Group’s 2025 Sustainability Report highlights progress in engineering a lower-impact future
Its new consolidated Sustainability Report provides a detailed disclosure of technologies driving the sector’s green transition and progress made in Environmental, Social, and Governance (ESG).






