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New breakthroughs made in H&Z’s invar materials pr

2017-01-20
      


    H&Z successfully accomplished the full specification cryogenic tensile test of invar materials under the liquid nitrogen temperature, including testing the technical parameters of stipulated plastic elongation strength, tensile strength, post-breaking elongation rate and etc. under the temperature of -196℃.
    Comprehensive Testing Institute of H&Z, after one year’s effort, developed the testing device on its own; tooling devices can be used flexibly under the cryogenic conditions, safety of the testing equipment and staff can be ensured, primary parameters have reached international advanced level.

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