日本色wwwcom.,caoporn超碰最新地址进入,97视频国产自在自线2020,亚州,国产精品无码视频

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  • Germany's "Sa Site"
    Position:Home >> Products >> Germany's "Sa Site"
    12714 German hot work die steel
    Public Time:2011年10月18日 | Sort:Germany's "Sa Site" | Hits:1815

    12714 hot work die steel
        1.2714 steel characteristics: the higher the amount of Cr steel with high hardenability, cold space and time can be obtained by quenching martensite.
        The steel after quenching and tempering, the overall performance is good, even dense, wear resistance and thermal fatigue resistance of expansion
    High deformation.
        2.2714 steel is used for: forging hot steel, tool steel. Casting mold steel.

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  • 日本色wwwcom.,caoporn超碰最新地址进入,97视频国产自在自线2020,亚州,国产精品无码视频

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