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Steel Type Chemical Composition(%)
C Si Mn P S Cr Ni Mo Cu Nb Co W V Fe
Stainless
steel		 304L 0.017 0.8 0.1 0.025 0.005 18.2 10.8 - - - - - - Bal.
316L 0.017 0.8 0.1 0.025 0.005 17.0 12.8 2.1 - - - - - Bal.
317L 0.017 0.8 0.1 0.025 0.005 19.5 14.5 3.3 - - - - - Bal.
410L 0.017 0.8 0.1 0.025 0.005 12.5 0.2 - - - - - - Bal.
430L 0.017 0.8 0.1 0.025 0.005 16.5 0.2 - - - - - - Bal.
434L 0.017 0.8 0.1 0.025 0.005 16.9 0.2 1.0 - - - - - Bal.
440A 0.70 0.8 0.1 0.025 0.005 17.0 0.2 - - - - - - Bal.
440C 1.0 0.8 0.1 0.025 0.005 17.0 0.2 - - - - - - Bal.
17-4PH 0.040 0.8 0.1 0.025 0.005 16.5 4.1 - 4.0 0.3 - - - Bal.
Fe-Ni
Alloy		 Invar 0.008 0.1 0.1 0.005 0.002 0.1 36.0 - - - - - - Bal.
PB-47 0.008 0.1 0.1 0.005 0.002 0.1 47.5 - - - - - - Bal.
50%Ni-Fe 0.008 0.1 0.1 0.005 0.002 0.1 50.0 - - - - - - Bal.
PC-78 0.008 0.1 0.1 0.005 0.002 0.1 79.8 5.2 - - - - - Bal.
Fe-Co
Alloy		 50% Co-Fe 0.005 0.1 0.1 0.005 0.004 0.1 - - - - 50.0 - - Bal.
Permendur 0.005 0.1 0.1 0.005 0.003 0.1 - - - - 49.0 - 2.0 Bal.
Fe-Ni-Co
Alloy		 Super
invar		 0.004 0.1 - 0.004 0.004 0.1 32.0 - - - 5.5 - - Bal.
Kovar
(F-15)		 0.010 0.1 - 0.002 0.003 0.1 29.2 - - - 16.7 - - Bal.
Alnico
Alloy		 Alnico2 0.008 0.3 - 0.005 0.003 - 26.9 - 4.1 - 2.5 Al12.5 - Bal.
Alnico6 0.010 0.2 - 0.005 0.010 - 18.1 - 3.4 - 25.8 Al7.3 - Bal.
Alnico8 0.008 0.3 - 0.005 0.005 - 13.5 - 3.2 0.5 36.5 Al7.4 - Bal.
Fe-Si
Alloy		 Fe-3%Si 0.008 3.0 0.1 0.005 0.005 0.1 - - - - - - - Bal.
Fe-5.5%Si 0.008 5.2 0.1 0.005 0.005 0.1 - - - - - - - Bal.
Fe-Si-Al Sendust 0.020 9.7 0.1 0.005 0.005 - - - - - - Al6.0 - Bal.
Others High-
Speed
Steel
(SKH-57)		 1.26 0.3 0.1 0.016 0.016 4.3 - 3.6 - - 9.4 9.3 3.4 Bal.
Hastelloy
C-276		 - 0.7 0.2 0.002 0.005 15.5 Bal. 16.3 - - 2.0 4.2 - 5.0
SCM-415 0.15 0.2 0.1 0.015 0.005 1.1 - 0.2 - - - - - Bal.