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备注
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材质概况
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适用于小型潜水电机
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本产品以3CR-13材料为基础材
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料，经过复杂的工艺制成，具有
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性能稳定、价格适中、使用简便
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等特性。This product is based on the 3CR-13 material, through the complex process, with stable performance, moderate price, easy to use and so on.
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执行标准：The implementation of standards
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适用于外径175mm以内潜水电机
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JB/t8566-99
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洛氏硬度48º-52°Rockwell hardness of 48º-52°
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适用于外径200mm以内潜水电机
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情况说明：Description of the situation
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所谓硬度是一个关键的指标，
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用专用仪器（洛氏硬度仪）检测，
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适用于外径250mm以内潜水电机
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硬度可根据客户要求定制。The hardness is one of the key indicators, with special instruments (Rockwell hardness tester) hardness testing, can be customized according to customer requirements
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注：3CR-13是一种特殊金属材料
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Note: 3CR-13 is a kind of special metal material
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