AK Steel 409 Ferritic Stainless steel

Category	Metal , Ferrous Metal , Ferritic , Stainless Steel , T 400 Series Stainless Steel
Manufacturer	AK Steel
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	AK Steel 409 Ferritic Stainless steel.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

AK Steel 409 Stainless Steels are especially useful for applications where oxidation or corrosion protection beyond the capacity of carbon steel and some coated steels is needed. Current applications include automotive and truck exhaust systems, including tubular manifolds; agricultural spreaders, gas turbine exhaust silencers, and heat exchangers. AK Steel 409 is also useful for "difficult-to-form" hardware such as fuel filters.Information provided by AK Steel

Physical Properties	Metric	English	Comments
Density	7.61 g/cc	0.275 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	66 - 72 @Thickness 1.02 - 1.78 mm	66 - 72 @Thickness 0.0400 - 0.0700 in	Annealed Condition
Tensile Strength, Ultimate	414 - 469 MPa @Thickness 1.02 - 1.78 mm	60000 - 68000 psi @Thickness 0.0400 - 0.0700 in	Annealed Condition
	6.20 MPa @Thickness 1.14 - 1.52 mm, Temperature 816 °C	899 psi @Thickness 0.0449 - 0.0598 in, Temperature 1500 °F
	10.3 MPa @Thickness 1.14 - 1.52 mm, Temperature 816 °C	1490 psi @Thickness 0.0449 - 0.0598 in, Temperature 1500 °F
	22.0 MPa @Thickness 1.14 - 1.52 mm, Temperature 704 °C	3190 psi @Thickness 0.0449 - 0.0598 in, Temperature 1300 °F
	27.5 MPa @Thickness 1.14 - 1.52 mm, Temperature 704 °C	3990 psi @Thickness 0.0449 - 0.0598 in, Temperature 1300 °F
Tensile Strength, Yield	241 - 283 MPa @Strain 0.200 %, Thickness 1.02 - 1.78 mm	35000 - 41000 psi @Strain 0.200 %, Thickness 0.0400 - 0.0700 in	Annealed Condition
Elongation at Break	31 - 39 %	31 - 39 %	in 2 inches, Annealed Condition (0.040" - 0.070")
Modulus of Elasticity	208 GPa	30200 ksi
Fatigue Strength	10.0 MPa @# of Cycles 1.00e+7 , Temperature 816 °C	1450 psi @# of Cycles 1.00e+7 , Temperature 1500 °F
	117 MPa @# of Cycles 1.00e+7 , Temperature 593 °C	17000 psi @# of Cycles 1.00e+7 , Temperature 1100 °F
	324 MPa @# of Cycles 1.00e+7	47000 psi @# of Cycles 1.00e+7

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.020 %	<= 0.020 %
Chromium, Cr	10.5 - 11.7 %	10.5 - 11.7 %
Iron, Fe	>= 85.3 %	>= 85.3 %	As Remainder
Manganese, Mn	<= 0.75 %	<= 0.75 %
Nickel, Ni	<= 0.50 %	<= 0.50 %
Nitrogen, N	<= 0.020 %	<= 0.020 %
Phosphorous, P	<= 0.040 %	<= 0.040 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.020 %	<= 0.020 %
Titanium, Ti	0.15 - 0.50 %	0.15 - 0.50 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000600 ohm-cm	0.0000600 ohm-cm

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