The ACSW (aluminum-clad steel wire) is a bimetal wire made of steel wire with an even aluminum layer on it.

• 铝包钢线是一种将铝连续均匀包覆在钢芯上的双金属线，它兼有导电性能好，耐腐蚀，高频传输性能好以及钢的强度高等优点。