Iron and Steel Knowledge Quiz

Last year [2008] world crude steel production was

Less than 1000 million metric tonnes
1000 - 1250 million tonnes
Over 1250 million tonnes

The world's biggest steelmaker last year [2008] was ArcelorMittal. Which firm was in #2 position?

BaoSteel
Nippon Steel
POSCO

In blast furnace operations, what does PCI stand for?

Pulverised coal injection
Pulverised coke injection

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

Under 2.5%
2.5% - 5%
Over 5%

What % of global steel production is made by the world's top steelmaker?

Over 15%
10 - 15%
Under 10%

Which is the bigger tube market

Seamless tube?
Welded tube?

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

Under 25%
25% - 30%
30% - 35%
Over 35%

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

1.00
~1.1
~0.9

What is the largest end-use application of steel?

Gas and oil pipelines
Shipbuilding
The construction industry
Automotive production

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

BHP Billiton
Rio Tinto
Vale

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

~25kg
~100 kg
~200 kg

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

China
Japan
USA

How much steel is there in a typical family car?

500kg or less
500-1000kg
Over 1000 kg

What is the [approx] density of steel?

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

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

5%
10%
15%
20%

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

Flat products
Long products
Tube products
No particular form

What is the approximate melting point of carbon steel?

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

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

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

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