优点：广泛应用于石油输送管、煤气灌管、特大气瓶钢管、压力容器皿管材等行业。具有硬度高、光洁度高、韧性好、耐磨性能好、使用寿命长等优点，是进口模具的最佳替代品。

Advantages: Product widely used in fossil oil pipeline forming, gas tank forming, extra-large gas cylinder pipe forming, pressure vessel tube forming and other industries, which has the advantages of high                                   hardness, high smooth finish, good toughness, good wear resistance and long service life. It is the bestsubstitute for imported dies.