镀锡铜包钢线（CP线）是以低碳钢为芯线，其<\/span><\/span><\/p>

外表顺次镀覆铜、锡或锡基合金层加工而成的产品。<\/span><\/span><\/p>

它是一种新型的复合线材，国外早已推广应用.<\/span><\/span><\/p>

特性:<\/strong>具有钢的高强度和韧性：刚性高，易于切断成<\/span><\/span><\/p>

型，在整机装配流水过程中，能自立而不倾倒，适<\/span><\/span><\/p>

应阻容元件生产自动化。在相同延伸率情况下，抗<\/span><\/span><\/p>

拉强度远比铜线高，线膨胀系数也小。<\/span><\/span> <\/span><\/span><\/span><\/span><\/span><\/p>

   <\/span><\/span><\/span><\/span><\/span>具有高导电率，折弯性能好。具有良好的可焊<\/span><\/span><\/span><\/p>

性。具有良好的导磁性。具有优良的高频特性。高<\/span><\/span><\/span><\/p>

频下，由于集肤效应随频率的增高而增大，此时线<\/span><\/span><\/span><\/p>

材的导电性能可与相同截面的铜线相比拟。具有优<\/span><\/span><\/span><\/p>

良的对铝熔接特性，线材对焊的工艺性好。节约大<\/span><\/span><\/span><\/p>

量铜材，降低电子元器件外引线成本。<\/span><\/span><\/span><\/p>

 <\/span><\/span><\/span><\/p>

   我厂生产的CP线采用高纯度锡、优质铜及优质<\/span><\/span><\/span><\/span><\/span>钢材为原料，具有如下特点：<\/span><\/span><\/span><\/span><\/span><\/p>

1.具有高韧性及可塑性好；<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

2.导电率可达到25%以上；<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

3.各项指标完全符合出口欧盟的标准；<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

4.线材表面质量光洁，无脱锡，露铜，黑斑，锈浊，<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

裂纹，伤痕和超过允许偏差的锡瘤，毛刺等缺陷；<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

5.线材断口致密，无缩尾、气孔、分层和夹杂 ；<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

6.具有良好的可焊接性，在蒸汽中进行4小时的老化<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

和在150摄氏度的高温中进行16小时的老化的情况下<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

仍具有良好的可焊接性；<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>

7.产品规格：(Ф0.12mm ——Ф2.0mm )<\/span><\/span><\/span><\/span><\/span><\/p>

 如有特殊要求可以定制.<\/span><\/span><\/span><\/span><\/span><\/p><\/td>

         我厂以诚信为根本，质量为生命。请客户<\/span><\/span><\/span><\/span><\/p>

     放心<\/span><\/span><\/span><\/span>订购。<\/span><\/span><\/span><\/span>在此真心的感谢广大新老客户的惠<\/span><\/span><\/span><\/span><\/p>

     顾！<\/span><\/span><\/span><\/span><\/p>

        询价或订购请注明： 线径、导电率、用途、抗拉<\/span><\/span><\/span><\/span><\/p>

     强度、<\/span><\/span><\/span><\/span>交货状态（硬态、软态），具体价格根<\/span><\/span><\/span><\/span><\/p>

     据客户对产品要<\/span><\/span><\/span><\/span>求参数而协定.<\/span><\/span><\/span><\/span><\/p>

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