Stainless Steel 400 Series Ferritic Grades

ALLOY / UNS DESCRIPTION C MAX NI CR MN OTHER DENSITY
Ferritic
409
S40900

Corrosion resistant at elevated temperatures. Fair strength properties and formability while maintaining reasonable cost. Many auto applications.

0.08 10.5-11.75 0.5 Max

P .045 Max
Si 1.0 Max
S .045 Max

0.278
410
S41000

General purpose corrosion and heat resisting chromium steel. Good corrosion resistance and fair machining properties. Can be treated to RC35/45.

0.15 11.5-13.5 1.0 Max

P .04 Max
S 1.0 Max
Si 1.0 Max

0.28
410S
S41008

Alloy 410S is a low carbon, non-hardening modification of Alloy 410.

0.08 0.60 Max 11.5-14.5 1.0 Max

P .040 Max
Si .040 Max
S .030 Max

0.28
Martenisitic
430
S43000

General purpose grade, corrosion-resistant, straight chromium grade, non heat-treatable.

0.12 16.0-18.0 1.0 Max

P.04 Max
S .03 Max
Si 1.0 Max

0.28
439
S43035

Designed with added titanium for applications where chloride stress is an issue.

0.04 0.50 Max 17.0-18.0 1.0 Max

Si .60 Max
Ti .20- .60

0.278

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Stainless Steel 400 Series Inventory

# Description Grade Temper Finish Dimensions Add to cart
1 Stainless Coil .023-.0245" x 16.08" x Coil 409 2B .023-.0245" x 16.08" x Coil Add to cart Add to cart
2 Stainless Coil 24ga x 3.500 x Coil 430 2B 24ga x 3.500 x Coil Add to cart Add to cart
3 Stainless Coil 20ga x 8.750 x Coil 430 2B 20ga x 8.750 x Coil Add to cart Add to cart
4 Stainless Plate 3/16" x 60" x Coil 409 HRAP 3/16" x 60" x Coil Add to cart Add to cart
5 Stainless Plate 3/16" x 60" x 105" 409 HRAP 3/16" x 60" x 105" Add to cart Add to cart
6 Stainless Plate 3/16" x 60" x 144" 409 HRAP 3/16" x 60" x 144" Add to cart Add to cart
7 Stainless Plate 1/4" x 60" x 106" 409 HRAP 1/4" x 60" x 106" Add to cart Add to cart
8 Stainless Plate 1/4" x 60" x 120" 409 HRAP 1/4" x 60" x 120" Add to cart Add to cart
9 Stainless Plate 3/8" x 60" x 120" 409 HRAP 3/8" x 60" x 120" Add to cart Add to cart
10 Stainless Plate 3/16" x 48" x 96" 410S HRAP 3/16" x 48" x 96" Add to cart Add to cart
11 Stainless Round Bar 5-1/2" 410 HRT 5-1/2" Add to cart Add to cart
12 Stainless Sheet 28 x 36" x Coil 409 2D 28 x 36" x Coil Add to cart Add to cart
13 Stainless Sheet 28ga x 48" x 96" 409 2D 28ga x 48" x 96" Add to cart Add to cart
14 Stainless Sheet 20ga x 14-1/4" x Coil 409 2D 20ga x 14-1/4" x Coil Add to cart Add to cart
15 Stainless Sheet 20ga x 21" x Coil 409 2D 20ga x 21" x Coil Add to cart Add to cart
16 Stainless Sheet 20ga x 48" x Coil 409 2D 20ga x 48" x Coil Add to cart Add to cart
17 Stainless Sheet 20ga x 48" x 96" 409 2D 20ga x 48" x 96" Add to cart Add to cart
18 Stainless Sheet 18ga x 48" x Coil 409 2D 18ga x 48" x Coil Add to cart Add to cart
19 Stainless Sheet 18ga x 48" x 72" 409 2D 18ga x 48" x 72" Add to cart Add to cart
20 Stainless Sheet 18ga x 48" x 96" 409 2D 18ga x 48" x 96" Add to cart Add to cart
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