Engineering Materials
Corrosion resistance of steel is increased by addition of

Tungsten, molybdenum, vanadium, chromium
Chromium and nickel
Vanadium, aluminium
Sulphur, phosphorus, lead

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Engineering Materials
Inconel contains

65% nickel, 15% chromium and 20% iron
80% nickel and 20% chromium
80% nickel, 14% chromium and 6% iron
68% nickel, 29% copper and 3% other constituents

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Engineering Materials
Steel contains

80% or more iron
Alloying elements like chromium, tungsten nickel and copper
Elements like phosphorus, sulphur and silicon in varying quantities
50% or more iron

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