This standard specifies samples selection and preparation,evaluation method,standard rating chart,test report,etc.,of the micrographic determination method,which is used to evaluate the heterogeneity of eutectic carbide.
This standard is applicable to the determination of eutectic carbide heterogeneity of wrought ledeburite high speed tool steels,alloy tool steels,high carbon chromium stainless bearing steels,high temperature bearing steels and high temperature stainless bearing steels.
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400-168-0010




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