Carbon and Alloy Steels

Carbon and Alloy Steels
Carbon and Alloy Steels
• All of these steels are alloys of Fe and C
– Plain carbon steels (less than 2% carbon and
negligible amounts of other residual elements)
• Low Carbon (less than 0.3% carbon)
• Med Carbon (0.3% to 0.6%)
• High Carbon (0.6% to 0.95%)
– Low Alloy Steel
– High Alloy Steel
– Stainless Steels (Corrosion-Resistant Steels)
– contain at least 10.5% Chromium
Carbon and Alloy Steels
• All of these steels are alloys of Fe and C
– Plain carbon steels (less than 2% carbon and
negligible amounts of other residual elements)
• Low Carbon (less than 0.3% carbon)
• Med Carbon (0.3% to 0.6%)
• High Carbon (0.6% to 0.95%)
– Low Alloy Steel
– High Alloy Steel
– Stainless Steels (Corrosion-Resistant Steels)
– contain at least 10.5% Chromium
Plain Carbon Steel
• Again, alloy of iron and carbon with carbon the
major strengthening element via solid solution
strengthening.
• If carbon level high enough (greater than 0.6%)
can be quench hardened (aka: dispersion
hardening, through hardened, heat treated,
austenized and quenched, etc..).
• Can come in HRS and CRS options
• The most common CRS are 1006 through 1050
and 1112, 1117 and other free machining steels