-5,71%K41X – 1.4509
K41X – 1.4509
Our KARA range. The “X” means that this 18% chromium titanium-and niobium-stabilized Ferritic Stainless Steel is ideal for exhaust applications.
Main features
Good weldability; ease of forming; good resistance to corrosion (in cold part of exhaust systems), pitting corrosion, and high temperature oxidation (up to 950°C); enhanced hot mechanical properties (without risk of σ phase formation at intermediate temperatures); greater thermal conductivity and lower expansion coefficient than austenitic grades.
Applications
- Vehicles exhaust systems (manifold, tube, catalytic converter and muffler shell)
Norms
- ASTM 441
- UNS S43932
- EN 1.4509
- IMDS ID 336816606
Chemical Composition
Typical values
- C=0.015
- Si=0.60
- Mn=0.30
- Cr=17.80
- Mo=0.30
- N=0.015
- Ti+Nb=0.65
Alphanumerical designation: X2CrTiNb18
Dimensional range
Coils
- Thickness: from 0.40 to 4 mm
- Width: up to 1,500 mm acc. to thickness
Tubes
- 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.
Download
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K41X (1.4509) - Exhaust
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