1.4567 alloy is, unlike 1.4560, resistant to intergranular corrosion in delivery condition and after welding; 1.4567 has also better resistance to corrosion in some reducing acid environments (e.g. contaiting H2SO4) than 1.4307. It is not resistant to halogen compounds and acids, such as hydrofluoric acid. To achieve maximum chemical resistance, the steel should be in annealed condition and elements should be passivated.
Standards | Material No.1.4567EN DesignationX3CrNiCu18-9-4AISI/SAE304 CuUNSS30430 |
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Description | 1.4567 / AISI 304 Cu is an austenitic chromium-nickel stainless steel with copper contents. |
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Special properties | 1.4567 / AISI 304 Cu is generally the same grade as 1.4301 / AISI 304, except the additional copper content. Good free machining properties |
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Chemical Composition | C%≤ 0.04Si≤ %1.00Mn≤ %2.00P≤ %0.045S≤ %0.015Cr%17.0-19.0Ni%8.50-10.5N%≤ 0.11Cu%3.00-4.00 |
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Heat treatment
Normalizing, quenching, annealing, vacation.
Analogue
Nom.: X3CrNiCu18−9-4
Application
Manufacture of parts of high strength, welded tanks, welded structures operating in the environment of increased aggressiveness.
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