Questions & answers - steel quiz - 5 minute skill appraisal.
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Iron and Steel Knowledge Quiz

Please try to answer all questions


Q1

Year 2016 world crude steel production was

Less than 1250 million metric tonnes
1250 - 1500 million tonnes
Over 1500 million tonnes


Q2

What proportion of world steel output is stainless steel?

Under 1%
Between 1-2%
Over 2% of the world total


Q3

In blast furnace operations, what does PCI stand for?

Pulverised coal injection
Pulverised coke injection


Q4

What is the typical yield improvement in moving from ingot to continuous casting?

Under 2.5%
2.5% - 5%
Over 5%


Q5

What % of global steel production was made by the world's top steelmaker last year?

Over 15%
10 - 15%
Under 10%


Q6

Which is the bigger tube market

Seamless tube?
Welded tube?


Q7

What % of world steel production is exported [crosses a border before purchase]?

Under 10%
10% - 20%
Over 20%


Q8

How many short tons [approx] in a metric tonne?

1.00
~1.1
~0.9


Q9

What is the largest end-use application of steel?

Gas and oil pipelines
Shipbuilding
The construction industry
Automotive production


Q10

Which company is the world's largest producer of iron ore?

BHP Billiton
Rio Tinto
Vale


Q11

What is the average level of per capita steel demand [worldwide]?

~25kg
~100 kg
~200 kg


Q12

Which country is the world's biggest exporter of scrap?

China
Japan
USA


Q13

How much steel is there in a typical family car?

500kg or less
500-1000kg
Over 1000 kg


Q14

What is the [approx] density of steel?

~5 tonnes/cubic metre
~6 tonnes/cubic metre
~7 tonnes/cubic metre
~8 tonnes/cubic metre


Q15

Stainless steel is defined as an alloy of carbon and iron that has a minimum chromium content of roughly...

5%
10%
15%
20%


Q16

Stainless steel demand is mostly in the form of ...

Flat products
Long products
Tube products
No particular form


Q17

What is the approximate melting point of carbon steel?

~950 degrees C
~1150 degrees C
~1350 degrees C
~1550 degrees C


Q18

What is the approx. capital cost to build an integrated steel plant in the industrialised world today?

~$100/tonne capacity
~$500/tonne capacity
~$1000/tonne capacity


Q19

Residuals refer to so-called 'tramp elements', which are typically introduced into the steelmaking process in the form of unsorted scrap. The presence of these elements can impair the final properties of the steel. Name one of the main tramp elements.

Copper
Tin
Lead


Q20

The term 'sequencing' refers to the practice of combining batches in the steel production process in order to improve production efficiency in the following step especially...

Casting
Reheating
Rolling
Finishing


Q21

What is the typical gauge of cold rolled carbon steel coil?

0.25mm
0.5mm
1mm
1.5mm


Q22

What is a cobble?

A footwear protection item (for shoes)
A hand tool
A rolling mill jam or break-out


Q23

What is tin foil typically made from?

Ultra-thin cold rolled coil
Chrome-coated thin gauge steel
Thin-leaf tinplate
Aluminium


Q24

What is the typical section size of steel billet?

50mm x 50mm square
100mm x 100mm square
150mm x 150mm square
200mm x 200mm square


Q25

What is the chemical symbol for iron?

Fe
St
Ir
Hm