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Seamless stainless ferritic steel tubes 1.4510 / OH17T / X3CrTi17, 0H17T, AISI 430Ti
These are seamless ferritic stainless steel tubes made from grade 1.4510 (also shown as X3CrTi17, AISI 430Ti and often listed locally as OH17T / 0H17T). They are ferritic stainless steels stabilised with titanium so they keep good corrosion resistance and dimensional stability after welding. The seamless form means the tube is produced without a longitudinal weld, giving consistent wall thickness and better pressure and mechanical integrity for many applications.
What this product is and what it’s used for
These tubes are part of the ferritic family of stainless steels - chromium-based, magnetic grades with low nickel content compared with austenitic stainless (eg 304/316). The titanium stabilisation binds carbon as titanium carbides, which reduces the risk of chromium carbide precipitation (sensitisation) during heating or welding. That makes 1.4510 / 430Ti a practical choice where moderate corrosion resistance and thermal stability are required, particularly for welded components and heat-exposed parts.
Typical applications and industries
Note: because ferritic grades have lower resistance to chloride-rich or strongly acidic environments, they are generally not recommended for long-term use in seawater or highly corrosive chemical processes - in those cases austenitic grades such as 304/316 (EN 1.4301 / 1.4404) are usually better suited.
Key properties (what to expect)
Advantages and limitations
Who should consider these tubes?
Engineers, procurement teams, fabricators, HVAC contractors, appliance manufacturers, automotive suppliers and keen workshop hobbyists looking for a robust, cost-effective ferritic stainless tube for welded assemblies, heat-related applications or architectural trim. If you need tubes for aggressive chemical exposure, offshore or permanent outdoor use in marine environments, ask our technical team for a more suitable alternative.
Naming and equivalents
Common names and synonyms you may see:
Practical notes for fabrication and selection
Need help choosing or ordering?
If you are uncertain whether Seamless stainless ferritic steel tubes 1.4510 / AISI 430Ti are the right choice for your project, our sales and technical advisors can help match grade, tube dimensions and finish to your application - from small garage projects through construction, automotive parts, HVAC systems and light industrial uses. Contact us with your operating environment and mechanical requirements for tailored advice.









