انتاج حديد الصلب المستخدم في الانشاءات
خواص مواد - الجامعة التكنولوجية B- what is the different between grey cast iron and whit cast iron . A) What are the effects of alloying elements on the properties of steel as the A) Describe and draw and (name the phases ) the structural changes that C) State what material you would use to .