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Following chart will show the effect of alloying elements on the properties of steel : -
I = Increase (More I for more intensive increase effect)
R = Redeces (More R for more intensive reduction effect)
O = No Change
- = Not Known
Alloying
Element
Chromium
Carbon
Nickel in Pearlite
Nickel in Austenite
Molybdenum
Mangenese in Pearlite
Mangenese in Austenite
Nitrogen
Silicon
Phosphorus
Sulphur
Hardness
I I
I I I
I
R R
I
I
R R R
I I
I
I
-
Strength
I I
I I
I
I
I
I
I
I I I
I
I
-
Yield Point
I I
I
I
R
I
I
R
I I
I I
I
-
Elongation
R
R
O
I I I
R
O
I I I
-
R
R
R
Corrosion Resistance
I I I
R
-
I I
I I
-
-
I I
-
-
-