Steel Composition

Here are the table of several steel composition:

Material Composition of Stainless Steel, Inox

	Carbon C	Manganese Mn	Silicon Si	Phosphorus P	Sulphur S	Nickel Ni	Chromium Cr	Molybdenum Mo
AISI 302	0.15 max	2.00 max	1.00 max	0.045 max	0.03 max	8.0-10.0	17-19	Nil
AISI 304	0.08 max	2.00 max	1.00 max	0.045 max	0.03 max	8.0 -10.5	18-20	Nil
AISI 304L	0.03 max	2.00 max	1.00 max	0.045 max	0.03 max	8.0 -10.5	18-20	Nil
AISI 316	0.08 max	2.00 max	1.00 max	0.045 max	0.03 max	10-14	16-18	2-3
AISI 316L	0.03 max	2.00 max	1.00 max	0.045 max	0.03 max	10-14	16-18	2-3
AISI 420	0.15 min	1.00 max	1.00 max	0.040 max	0.03 max	Nil	12-14	Nil
AISI 430	0.12 max	1.00 max	1.00 max	0.040 max	0.03 max	Nil	14-18	Nil

Material Composition of Chrome Alloy Steel (Thorough Hardened)

	Carbon C	Manganese Mn	Silicon Si	Phosphorus P	Sulphur S	Nickel Ni	Chromium Cr	Hardness Rockwell C
AISI 52100	0.95-1.10	0.20-0.50	0.35 max	0.025 max	0.025 max	Nil	1.30-1.60	58-63 HRc
EN 31	0.90-1.10	1.10 max	0.10-0.35	0.05 max	0.05 max	Nil	1.00-1.50	58-63 HRc

Material Composition of High Carbon Steel (Thorough Hardened)

	Carbon C	Manganese Mn	Silicon Si	Phosphorus P	Sulphur S	Nickel Ni	Chromium Cr	Hardness Rockwell C
AISI 1085 / C85	0.75-0.95	1.00 max	0.35 max	0.040 max	0.05 max	Nil	Nil	58-63 HRc