HarbisonWalker International

Profile narrative

HarbisonWalker International (HWI) manufactures refractory products designed to withstand extreme temperatures and corrosive environments in industrial processes. Its product portfolio includes fired bricks, monolithic castables, precast shapes, and specialty formulations tailored to specific applications. The company also provides engineering design, installation, maintenance, and technical support services that help customers optimize furnace performance and extend campaign life. HWI serves a broad range of high‑temperature sectors, including steelmaking, cement and lime production, glass manufacturing, non‑ferrous metal smelting, and petrochemical refining. By combining product supply with on‑site expertise, HWI positions itself as a full‑service refractory partner.

Headquartered in Pittsburgh, Pennsylvania, HWI operates manufacturing facilities at several sites across North America and maintains a global sales and service network to support customers worldwide. The company’s history dates back to the late nineteenth century, giving it a deep legacy of refractory innovation and process knowledge. In 2018, HWI became a subsidiary of the Austrian‑based RHI Magnesita group, integrating its operations into one of the world’s largest refractory suppliers. HWI distinguishes itself through an integrated approach that couples high‑performance materials with detailed technical assistance, aiming to improve energy efficiency and reduce downtime for heavy‑industry clients. Its longstanding focus on research and development enables the introduction of new formulations that address evolving demands for lower emissions and longer service life. As part of RHI Magnesita, HWI contributes to the group’s strategy of delivering comprehensive refractory solutions across the globe.

Incidents

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