Mg-Zn-Zr (ZK) alloys exhibit notably high mechanical strength amongst all magnesium alloy grades. However. due to the formation of low melting point Mg3Zn7-precipitates. these alloys are susceptible to hot cracking. https://www.bekindtopets.com/limited-stock-Bovi-Shield-Gold-FP-5-L5-HB-best-super/