books حديد لدن
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# Black heart ductile blossom
# What is the element iron?
# Where is the iron?
# What foods are rich in iron?
# Causes of iron deficiency in the blood Iron
# What is the melting point of iron?
# How does the body obtain iron?
# What is the color of iron?
# Which is heavier, a ton of paper or a ton of iron?
# What iron is known as crocodile iron?
# What is the deity against which the blacksmith strikes iron?
# How is there an arithmetic process in cutting iron?
# What is the density of iron?
# What is the atomic weight of iron?
# pig iron
# cast iron
# iron scrap
# wrought iron
# steel iron
# reinforced iron
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حديد لدن (Info)
حديد لدن:- حديد زهر متكور ما فيه من الجرافيت ينتج بإضافة عناصر كالمغنسيوم أو السيريوم إلى مصهوره فتساعد هذه العناصر على تكور الجرافيت المنفصل، فيكسب الحديد نسبياً لدونة ومتانة. (معجم الهندسة الميكانيكية)
