The supplied paddle is made of beryllium copper and superior to stainless steel in the area of flex memory, tensile strength and corrosion resistance.
所提供的开关叶片采用铍铜合金制造，铍铜合金在弯曲记忆区域、抗张强度和耐腐蚀等指标均优于不锈钢。
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Special treatment is recommended to activate beryllium copper surface before chromium plating. And special steps which differ from conventional chromium plating on steel parts are to be taken.