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    SKYWEL Machinery Co., Ltd.

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    Materials

    There are various materials for piston rings, when selecting the material of piston rings, consideration should be given to its use conditions, performance requirements and other factors.

    Generally speaking, the material of the piston ring should meet the following requirements:

    Enough mechanical hardness in high temperature
    Wear resistance and low friction coefficient
    Easy to processing and running

    Below are some common materials we usually do for production

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