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Chemical compositions of stainless steel

Chemical compositions of stainless steel

Below is a table detailing the chemical composition of some of the stainless steel grades that are supplied by thyssenkrupp Materials (UK).

If the grade that you arelooking for isn't present, or, if you need to know any more information, you can either visit our mechanical properties page or our stainless steel data sheets.

All data is to EN110088-2

Maximum values are listed unless otherwise indicated

Austenitic Grades

Grade EN Specification Carbon (C) Silicon (S) Manganese (Mn) Phosphorus (P) Sulfur (S) Chromium (Cr) Molybdenum (Mo) Nickel (Ni) Nitrogen (N) Iron (Fe)
301 1.4310 0.05 - 0.15 2.00 2.00 0.045 0.015 16.0 - 19.0 0.80 6.0 - 9.5 0.10 Balance
304 1.4301 0.07 1.00 2.00 0.045 0.015 17.5 - 19.5 - 8.0 - 10.5 0.1 Balance
304L 1.4307 0.03 1.00 2.00 0.045 0.015 17.5 - 19.5 - 8.0 - 10.5 0.1 Balance
201 1.4372 0.15 1.00 5.5 - 7.5 0.045 0.015 16.0 - 18.0 - 3.5 - 5.5 0.05 - 0.25 Balance
316 1.4401 0.07 1.00 2.00 0.045 0.015 16.5 - 18.5 2.0 - 2.5 10.0 - 13.0 0.1 Balance
316L 1.4404 0.03 1.00 2.00 0.045 0.015 16.5 - 18.5 2.0 - 2.5 10.0 - 13.0 0.1 Balance

Ferritic Grades

Grade EN Specification Carbon
(C)
Silicon
(Si)
Manganese
(Mn)
Phosphorus
(P)
Sulfur
(S)
Chromium
(Cr)
Titanium
(Ti)
Niobium
(Nb)
Molybdenum
(Mo)
Nickel (Ni)
409 1.4512 0.030 1.00 1.00 0.040 0.015 10.5 - 12.5 [6 x (C + N)] to max 0.65 - - -
430 1.4016 0.080 1.00 1.00 0.040 0.015 16.0 - 18.0 - - - -
434 1.4113 0.080 1.00 1.00 0.040 0.015 16.0 - 18.0 - - - -
439 1.4510 0.050 1.00 1.00 0.040 0.015 16.0 - 18.0 [4 x (C + N) + 0.15] to max 0.8 (3 x C + 0.3) to max 1 - -
4509 1.4509 0.030 1.00 1.00 0.040 0.015 17.5 - 18.5 0.1 - 0.6 - - -
436 1.4513 0.025 1.00 1.00 0.040 0.015 16.0 - 18.0 [4 x (C + N) + 0.15] to max 0.8 - 0.80 - 1.40 0.020

Martensitic Grades

Grade EN Specification Carbon (C) Silicon (S) Manganese (Mn) Phosphorus (P) Sulfur (S) Chromium (Cr) Nickel (Ni) Nitrogen (N) Iron (Fe)
410 1.4006 0.08 - 0.15 1.00 1.50 0.040 0.015 11.5 - 13.5 0.75 - Balance
420 1.4021 0.16 - 0.25 1.00 1.50 0.040 0.015 12.0 - 14.0 - - Balance
420 1.4031 0.07 1.00 2.00 0.045 0.015 17.5 - 19.5 8.0 - 10.5 0.1 Balance
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