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AEROVAL AIST - 2 Pages

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Catalogue excerpts

MATERIAL DESCRIPTION Austenitic Stainless Steel stabilized by the addition of Titanium. Since this grade is an austenitic one, it can not be precipitation hardened; mechanical properties can be increased by cold working only. AIST exhibits good intergranular corrosion resistance. APPLICATIONS AIST can be used for aircraft components as collector rings, exhaust manifolds, expansion joints. Generally AISC is used for applications subjected to intermittent heating from 450° and 900°C as: pressure vessels, welded structures, high-temp, chemical processing and gas turbine blades. CORROSION AND OXIDATION RESISTANCE Because of the Titanium addition capable to enhance the intergranular corrosion resistance, AIST can be used for many different applications as chemical and oil processing, textile manufacturing and food industry. AIST provide a good resistance to scale formation up to 860°C. AIST can be welded. If filler metal is requested AWS E/ER347 should be used. Post-weld heat treatment is not strictly needed unless high temperature service is required. CHEMICAL COMPOSITION (chemistry shall conform to the following percentages by weight)

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MECHANICAL PROPERTIES HEAT TREATMENTS ^pSHIinaVALBRUNA Aerospace spec\a\ grades ACCIAIERIE VALBRUNA VIALE DELLA SCIENZA, 25 36100 VICENZA ITALY Tel. +39 (0)444 968211 Fax +39 (0)444 963836 www.acciaierie-valbruna.com e-mail: info@valbruna.it e-mail: special.products@valbruna.it

 Open the catalogue to page 2

All Valbruna UK Ltd catalogues and technical brochures

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