Stainless Steel - Ferritic

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Last Datasheet Revision

13 March 2020

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This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.

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1.4512 Sheet

Grade 409 / 1.4512 titanium stabilised ferritic stainless steel is often referred to as 'muffler grade stainless steel' since the major bulk usage of this material is for automotive exhaust systems.

Chemical Composition

Spec: EN 10088-2:2005

1.4512 Steel

Chemical Element	% Present
Carbon (C)	0.0 - 0.30
Chromium (Cr)	10.50 - 12.50
Manganese (Mn)	0.0 - 1.00
Titanium (Ti)	0.0 - 0.65
Silicon (Si)	0.0 - 1.00
Phosphorous (P)	0.0 - 0.04
Sulphur (S)	0.0 - 0.02
Iron (Fe)	Balance

Properties

Physical Property	Value
Density	7.6 g/cm³
Modulus of Elasticity	208 GPa
Thermal Conductivity	25.8 W/m.K
Electrical Resistivity	0.6 x10^-6 Ω .m

Spec: EN 10088-2:2005

Sheet - Up to 8mm Thick

Mechanical Property	Value
Proof Stress	210 Min MPa
Tensile Strength	380 - 560 MPa
Elongation A50 mm	25 Min %

Supplied Forms

Grade 409 / 1.4512 is a rolled product (sheet, coil and strip) material usually available up to a maximum of 2.5mm thickness.
Grade 1.4003 is similar though not a direct equivalent but is available in thicker sheets and plates.

Sheet

Weldability

Weldability of grade 409 is good up to about 2.5mm thick.

If welding of thicker material is necessary, then grade 1.4003 should be selected.

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