GC-CuSn12

牌号 gc-cusn12，gc-cusn12锡青铜是一种铜合金，被评价为具有优良的可切削性能，相当于gc-cusn12铜合金。这种合金的含锡量一般在3～13%之间，主要用于制作弹性元件和耐磨零件。变形锡青铜的含锡量不超过8%，有时还添加磷、铅、锌等元素。磷是良好的脱氧剂，还能改善流动性和耐磨性。锡青铜中加铅可改善可切削性和耐磨性，加锌可改善铸造性能。这种合金具有较高的力学性能、减磨性能和耐蚀性，易切削加工，钎焊和焊接性能好，收缩系数小，无磁性。其用途包括制作形状复杂、轮廓清晰、气密性要求不高的铸件，以及蒸汽锅炉和海船零件。

德国w-nr. 2.1052.04

旧牌号 gc-snbz12

对应标准 din 1705-1981

铜锡合金铸件(锡青铜和火炮金属铸件)

归类 铜及铜合金

标签 连铸锡青铜

说明 特性：material with good wear resistance; corrosion and sea waterresistant. the materials g-cusn12ni and gcusn12pb were developedfrom this alloy, which are characterized by increased strength andwear resistance and improved emergency running properties. seeg-cusn12 properties, but more uniform, 0.2 limit, higher tensilestrength and hardness

用途：ring and tubular construction parts as well as longitudinalprofiles, e.g. worm wheel rims, cylinder inserts, high-loadadjusting and sliding strips

gc-cusn12 化学元素成分含量(%)