Mechanical Properties of Cast Iron, Mild Iron & Steel at Historical Structures

محاضرة بعنوان
Mechanical Properties of Cast Iron, Mild Iron & Steel at Historical Structures
Adrian Dogariu
Syllabus
Mechanical Properties of Cast Iron, Mild Iron and Steel at Historical Structures
Material Used in Steel Structures – Historical Review
Concluding Summary
Use of iron & steel structures have evolved related to
production & properties from cast iron to wrought iron and steel
Cast iron formed into final shape from molten metal poured
into mold & solidifies.
Wrought iron never reaches a fully molten state and was
shaped by rolling & forging.
Mild steel can be cast as well as rolled and have lower
corrosion resistance than wrought iron Concluding Summary
Iron was known and used for more than 3000 years but only in
the last 250 years due to new production methods have a
large scale use
Cast iron was widely used for bridges & buildings between
1750 – 1850
Wrought iron was popular between 1850 – 1900, when many
novel bridges & building structures with increased size & span
were built
Steel was use from about 1880 being stronger than wrought
iron allowing even larger structures to be built
Steel welding was a major innovation in connection
techniques which facilitates the wider use of steel
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