Ferritic Stainless Steels Chemical Analysis %
(Max. unless noted otherwise)

Type C Mn P S Si Cr Ni Mo Other
405 0.08 1.00 0.040 0.030 1.00 11.50/
14.50
0.60
0.10/
0.30 Ai
409 0.08 1.00 0.045 0.045 1.00 10.50/
11.75
0.50
6xC/
0.75 Ti
429 0.12 1.00 0.040 0.030 1.00 14.00/
16.00
0.75

430 0.12 1.00 0.040 0.030 1.00 16.00/
18.00
0.75

430F 0.12 1.25 0.060 0.15(min) 1.00 16.00/
18.00

0.60*
430F Se 0.12 1.25 0.060 0.060 1.00 16.00/
18.00


0.15 Se (min)
434 0.12 1.00 0.040 0.030 1.00 16.00/
18.00

0.75/
1.25

436 0.12 1.00 0.040 0.030 1.00 16.00/
18.00

0.75/
1.25
5xC/
0.70
Cb + Ta
442 0.20 1.00 0.040 0.030 1.00 18.00/
23.00
0.60

446 0.20 1.50 0.040 0.030 1.00 23.00/
27.00
0.75
0.25N

Nominal Mechanical Properties
(Annealed Sheet unless noted otherwise)

Type Tensile Strength Yield Strength
(0.2% offset)
Elongation in 2" (50.80 mm)% Hardness
(Rockwell)
ksi MPa ksi MPa
405 60 415 25 170 25 B88
409 55 380 25 170 20 B88
429 71 490 46 310 30 88
430 65 449 30 204 22 B89
434 65 450 30 204 22 B89
436 65 450 40 276 20 B90
442 84 580 46 310 23 B83
446 80 550 50 340 20 B83