K09X – 1.4512

K09X – 1.4512

K09X – 1.4512

Our KARA range. The “X” means that this 12% Chromium, titanium-stabilised extra mild Ferritic Stainless Steel is ideal for exhaust applications.

Main features

Good weldability, excellent formability similar to that of low alloy steels, great oxidation resistance (up to 800°C) and good corrosion resistance in natural and moderately aggressive environments.


  • Automotive exhaust systems: manifolds, front pipes, catalytic shells, mufflers.
  • Welded structures exposed to relatively unaggressive corrosion conditions or subjected to temperatures below 800°C.
K09X – 1.4512


  • ASTM 409
  • UNS S40900
  • EN 1.4512
  • IMDS ID 336833190

Chemical Composition

Typical values

  • C=0.010
  • Si=0.45
  • Mn=0.30
  • Cr=11.30
  • Ti=0.190
  • N=0.010

Alphanumerical designation: X2CrTi12

Dimensional range


  • Thickness: from 0.40 to 8 mm
  • Width: up to 1,542 mm acc. to thickness


  • Thickness: from 0.80 to 2 mm
  • Diameter: 8 up to 168 mm acc. to thickness


Surface aspect

  • Cold rolled
  • 2B, 2D
  • HRAP: please consult

According to forms & dimensions.


Whether you need a certificate or more information, you can download all our product brochures, specifications, e-books, and related materials here.
K09X (1.4512) - Exhaust

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