سرویس خوب aisi 420 مورد استفاده در کاربردهای انرژی تجدیدپذیر
The heat-treatment of AISI 420 stainless steel. AISI 420 martensitic stainless steel (AISI 420SS) is a high chromium stainless steel that has been widely used in valve, aerospace, and pump industries due to its high plasticity, …