self-hardening property

例句：

1. 1. The steel undergoes a process called autogenous hardening during its manufacturing process.
   这种钢在制造过程中会经历一种叫做自硬化的过程。
2. 2.The material's self-hardening property makes it ideal for use in construction.
   这种材料的自硬化性质使其成为建筑的理想材料。
3. 3.The alloy has a unique self-hardening property that is beneficial for its durability and strength.
   这种合金具有独特的自硬化特性，有助于提高其耐用性和强度。