A2/A3- Steel & Aluminium Alloys Flashcards
What are the 3 types of steel?
1.
2.
3.
- Mild steel.
- High strength steel.
- Stainless steel.
What is steel a mixture of?
Molten iron and scrap steel.
Is steel recyclable?
Yes.
Can steel buckle?
No.
Discuss why a steel framed structure is a popular form of construction:
Frames are prefabricated, so construction can be completed in _____________.
Off-site fabrication reduces _____________ and ______________.
a short time
risks to people
disruption onsite
A steel frame structure allows for:
1.
2.
3.
4.
- Taller structures.
- Different types of exterior cladding.
- Service installations.
- Future extensions.
Do steel frame structures allow buildings to be adaptable and flexible?
Yes.
Mild steel is a ________ form of carbon steel which has a _______________________.
plain
low level of carbon
Long span steel construction helps create ______________________.
column free space
What is 1 use of mild steel?
Welded and bolted for structure.
What are 2 features of high strength steel?
1.
2.
- Highest amount of carbon.
- High tensile strength.
What is high strength steel used for?
1.
2.
- Tools.
- Springs.
What happens to iron in mild steel manufacturing?
1. Put through a _____________.
2. _____________.
3. Raw materials are __________ into liquid form.
4. The ________________ is altered.
5. The steel is shaped by __________________.
- blast furnace
- Smelting
- melted
- carbon content
- press and rolling
Mild steel has a high ______________________, so it can _______________________ of a structure without _______________.
compressive strength
support the weight
deforming
Mild steel is __________, so it has a low chance of __________________.
ductile
brittle failure
What are the 2 benefits of using protective coatings on mild steel?
1. Protective coatings are an active _______ against the _____________, so it is less likely to _____ overtime.
- Protective coatings _________________ as it can match the _______________ of the building.
barrier
environment
rust
improve aesthetics
colour scheme
Prefabricated mild steel can be __________ together ___________. Therefore reducing ________________________.
welded
efficiently
installation time
What are 2 features of stainless steel?
1.
2.
- Lowest amount of carbon.
- Corrosion resistant.
What is 1 use of stainless steel?
Structural framing.
What are 3 advantages of stainless steel compared to aluminium:
1.
2.
3.
- Corrosion resistance.
- Less likely to bend under load.
- Lower embodied energy.
Scrap steel is reprocessed using what?
An electric arc furnace.
Aluminium alloys can be used for doors and window frames:
- Because they have a ____________, which reduced the need to replace the door and window frames often.
- Because they are ____________, which reduces the environmental impacts.
long lifespan
recyclable
