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 Sheet 26ga x 19.3" x Coil 439 2D 26ga x 19.3" x Coil Add to cart Add to cart
2 Stainless Sheet 16ga x 48" x 102" 439 2D 16ga x 48" x 102" Add to cart Add to cart
3 Stainless Sheet 16ga x 48" x 120" 439 2D 16ga x 48" x 120" Add to cart Add to cart
4 Stainless Sheet 14ga x 48" x Coil 439 2D 14ga x 48" x Coil Add to cart Add to cart
5 Stainless Sheet 14ga x 48" x 48" 439 2D 14ga x 48" x 48" Add to cart Add to cart
6 Stainless Sheet 14ga x 48" x 120" 439 2D 14ga x 48" x 120" Add to cart Add to cart
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