Chemical Compositions of Stainless Steels

Wrought Stainless Steels
Alloy C  Mn P   S   Si  Cr  Ni  Mo Others
201 0.15 6.50 0.060 0.030 1.00 17.00 4.50 - 0.25N
202 0.15 9.00 0.060 0.030 1.00 18.00 5.00 - 0.25N
301 0.15 2.00 0.045 0.030 1.00 17.00 7.00 - -
302 0.15 2.00 0.045 0.030 1.00 18.00 9.00 - -
303 0.15 2.00 0.20 0.15 1.00 18.00 9.00 0.60 -
303Se 0.15 2.00 0.20 0.06 1.00 18.00 9.00 0.60 0.15Se
304 0.08 2.00 0.045 0.030 1.00 19.00 9.25 - -
304L 0.03 2.00 0.045 0.030 1.00 19.00 10.0 - -
309S 0.08 2.00 0.045 0.030 0.75 23.00 13.5 - -
310S 0.08 2.00 0.045 0.030 1.50 25.00 20.5 - -
316 0.08 2.00 0.045 0.030 1.00 17.00 12.0 2.5 -
316L 0.03 2.00 0.045 0.030 1.00 17.00 12.0 2.5 -
317 0.08 2.00 0.045 0.030 1.00 19.00 13.0 3.5 -
317L 0.03 2.00 0.045 0.030 1.00 19.00 13.0 3.5 -
321 0.08 2.00 0.045 0.030 1.00 18.00 10.5 - Ti 5 X C
329 0.10 2.00 0.045 0.030 1.00 27.50 4.5 1.50 -
330 0.08 2.00 0.040 0.030 1.00 18.50 35.5 - -
347 0.08 2.00 0.045 0.030 1.00 18.00 11.0 - Cb+Ta 10 X C
409 0.08 1.00 0.045 0.045 1.00 11.50 - - Ti 6 x C
410 0.15 1.00 0.040 0.030 1.00 12.50 - - -
416 0.15 1.25 0.040 - 1.00 13.00 - 0.60 S =0.15 min.
416Se 0.15 1.25 0.060 0.060 1.00 13.00 - - 0.15 Se
420 0.15 min. 1.00 0.040 0.030 1.00 13.00 - - -
430 0.12 1.00 0.040 0.030 1.00 17.00 - - -
440C 1.00 1.00 0.040 0.030 1.00 17.00 - - -
442 0.20 1.00 0.040 0.030 1.00 20.50 - - -
904L 0.02 2.00 0.045 0.035 1.00 21.00 25.5 4.5 Cu 1.5
17-4 PH 0.07 1.00 0.045 0.035 1.00 16.5 5.5 - Cu 3-5, 0.4 Al
17-7 PH 0.09 1.00 0.045 0.035 1.00 17.0 7.0 - .75-1.5 Al
2205 0.03 2.00 0.030 0.020 1.00 22.0 5.5 3.0 0.15 N
Cast Stainless Steels
CA-6NM 0.06 1.00 0.045 0.035 1.00 12.50 4.00 0.70 -
CA-15 0.15 1.00 - - 1.50 12.50 1.00 - -
CA-40 0.40 1.00 - - 1.50 12.50 1.00 - -
CF-3 0.03 1.50 0.040 0.040 2.00 19.00 10.00 - -
CF-3M 0.03 1.50 0.040 0.040 1.50 19.00 10.00 2.5 -
CF-8 0.08 1.50 0.040 0.040 2.00 19.00 9.00 - -
CF-8M 0.08 1.50 0.040 0.040 2.00 19.50 10.00 2.5 -
CH-20 0.20 1.50 0.040 0.040 1.50 20.00 10.00 - -
CK-20 0.20 2.00 0.040 0.040 2.00 25.00 20.00 - -
HF 0.30 2.00 0.040 0.040 2.00 19.00 9.00 - -
HH 0.35 2.00 0.040 0.040 2.00 25.00 12.00 - 0.2 N
HK 0.30 2.00 0.040 0.040 2.00 25.00 20.00 - -

 

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