1.4565 (Alloy 24, F49), S34565, 4565 S Stainless Steel Bar, Round Bars

Product Description

Material Overview1.4565 also known as Alloy 24, UNS S34565, F49, and 4565 S is a super austenitic stainless steel containing high levels of chromium, nickel, molybdenum, and nitrogen. It offers high mechanical strength along with superior resistance to pitting, crevice corrosion, and stress corrosion cracking in aggressive chloride environments.

Chemical Composition Mass Fraction PercentCarbon Max 0.030Silicon Max 1.00Manganese 5.00 to 7.00Phosphorus Max 0.030Sulfur Max 0.010Chromium 23.00 to 25.00Molybdenum 4.00 to 5.00Nickel 16.00 to 18.00Nitrogen 0.40 to 0.60Iron Balance

Mechanical Properties Solution Annealed StateTensile Strength 800 to 1000 MPaYield Strength 0.2 Percent Proof Stress Min 420 MPaElongation A5 Min 35 PercentImpact Energy ISO V Notch Min 100 Joules at Room TemperatureHardness Max 250 HB

Physical PropertiesDensity 8.0 grams per cubic centimeterModulus of Elasticity 195 GPaElectrical Resistivity 0.85 microhm metersThermal Conductivity 13 W per meter Kelvin at 20 degrees CSpecific Heat Capacity 450 J per kilogram Kelvin

Corrosion ResistancePitting Resistance Equivalent Number PREN 42 to 45Resistance Excellent resistance to pitting crevice corrosion stress corrosion cracking and severe organic or inorganic acids

Industry Standards and SpecificationsEN 10088 3 Grade 1.4565UNS S34565ASTM A276ASTM A479ASTM A182 Grade F49VdTUV Werkstoffblatt 520

Key ApplicationsDesalination plants and reverse osmosis equipmentChemical process equipment handling aggressive acids and chloridesOffshore and marine engineering structuresFlue gas desulfurization systemsPulp and paper bleaching plantsPumps valves fasteners and round bars for high stress corrosion environments