439 Stainless steel,439 Stainless steel Composition

Type 439 Stainless steel is a ferritic stainless steel that is best suited for use in oxidizing environments, where excellent corrosion resistance is needed. It is often used in place of Type 409 where higher thermal conductivity is required. Type 439 also has superior formability capabilities and is heavily used in the automotive industry.

439 Stainless steel Composition
Fe 81.3535
Cr 17.35
Si 0.35
Ti 0.335
Mn 0.25
Ni 0.200
Mo 0.1
Nb (columbium, Cb) 0.02
P 0.02
N 0.0100
C 0.01
S 0.0015

439 Stainless steel Applications
Stainless steel grade 439 is applied in areas that require oxidation and corrosion resistance. It is also widely used in catering equipment.

439 Stainless steel Forming: Type 439 has outstanding forming abilities even for difficult and unusual shapes

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