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Description

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.

Related Standards

Equivalent Materials

Properties

Electrical

Electrical resistivity ρel

6E-8 Ω·m at 20 °C

General

Density ρ

7.6 g/cm³ at 20 °C

Mechanical

Elastic modulus E

208 GPa at 20 °C

Tensile strength Rm

380 - 560 MPa at 20 °C

Yield strength YS

210 MPa at 20 °C

Thermal

Thermal conductivity λ

25.8 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Fe

-

Balance

Cr

10.5 - 12.5 %

Mn

1 %

Si

1 %

Ti

0.65 %

More

Technological properties

Welding

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.

This material data has been provided by Righton Blackburns.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.