Type 334 is a titanium-abd aluminum-bearing austenitic stainless steel offering superior elevated temperature scaling resistance compared to the conventional chromium-nickel stainless steels such as type 304. The Oxidation resistance of type 334 compares favorably with higher alloyed grades up ti 1900°F, making it a good candidate alloy for use in sheating for electric heating elements, automotive emission control systems, and other applications where resistance to elevated temperature degradation is important.
The material is a common sheathing material for resistance-heated electric heating elements. It is suitable for this application due to its combination of formability, weldablity, corrosion resistance, and oxidation resistance.
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