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</html><thumbnail_url>https://www.asminternational.org/app/uploads/sites/85/2023/09/HTPro_enews_OMM_200.png</thumbnail_url><thumbnail_width>520</thumbnail_width><thumbnail_height>312</thumbnail_height><description>In the past, atmospheric furnaces were used quite often for heat treatment of tool steels. Due to the improved furnace technology of vacuum furnaces and their increased distribution in the market, the percentage of tools heat treated in atmospheric furnaces has fallen significantly over the last 20 to 30 years. Furthermore, most of the atmospheric [&hellip;]</description></oembed>
