Exam (elaborations) Structural steel

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Exam (elaborations)

Exam (elaborations) Structural steel

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2024/2025

Institution Structural Steel

Course Structural steel

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ENTAILS QUESTIONS AND ANSWERS

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, What are a few characteristics of steel? - CORRECT ANSWERS-linear behaviour

high strength

very high modulus of elasticity

high ductility

properties are not directionally dependant (very similar in tension and compression)

An alloy is a combination of metals or of a metal and another element. What is steel an
alloy of? - CORRECT ANSWERS-iron and carbon

What is the maximum amount of carbon present in steel? - CORRECT ANSWERS-2%

Briefly explain the production of steel. - CORRECT ANSWERS-raw materials (iron ore,
coal, limestone)

heat in blast furnace (1600degC)

pig iron is molded (very high carbon contents. 4 - 5%)

oxygen or electric arc furnace

Refining Facility

continuous casting

After pig iron is formed what is the next step - CORRECT ANSWERS-reduce carbon
levels through refining processes

what does an oxygen furnace do? - CORRECT ANSWERS-removes excess carbon &
other impurities

- the carbon is oxidized to carbon monoxide gas, which can be after cleaning can be
used as gas

What is Hot Rolling - CORRECT ANSWERS-Hot rolling is mill process which involves
rolling the steel at a high temperature

slabs are used to make flatter products

blooms and billets used to make long products

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Uploaded on: December 7, 2024
Number of pages: 11
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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