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1.4306 is essentially a more highly alloyed version of 1.4307. Due to the slightly higher chromium and notably higher nickel content, 1.4306 is more corrosion resistant than 1.4307. Despite its improved corrosion resistance, 1.4306 finds itself in a diminishing market as far as profiles is concerned. A possible reason for this could be that most profiles are subjected to further processing by machining and to date no NIRO-CUT® version exists. Most customers thus specify either 1.4307 or 1.4404, when improved corrosion resistance is required.

Stainless steel types1.4301 and 1.4307 are also known as grades 304 and 304L respectively. Type 304 is the most versatile and widely used stainless steel. It is still sometimes referred to by its old name 18/8 which is derived from the nominal composition of type 304 being 18% chromium and 8% nickel.

Chemical Composition %

Mechanical propertoes