Heat Treatment Is an Important Foundational Technology for the Machinery Industry and Modern Manufacturing
Heat treatment is an important foundational technology for the machinery industry and modern manufacturing. Improving the level of heat-treatment equipment and production technology can save energy and materials and strengthen enterprise competitiveness. N2 is used to protect processed materials during heat treatment and prevent metal oxidation, such as in nitrogen-based controlled atmosphere furnaces, purge and replacement gas for vacuum annealing furnaces during startup and shutdown, cooling gas for high-pressure gas quenching, and backfill gas during heating. N2 used in the heat-treatment industry generally requires a purity of 99.9...
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