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SUS 329J3L, S31803, S32205, 1.4462, acero inoxidable dúplex

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Especificación, química y rendimiento mecánico

Aleaciones Resistentes a la Corrosión

1.4462, SUS 329J3L, UNS S31803 / S32205 - Duplex Stainless Steel

SUS 329J3L, UNS S32205, S31803 is an Austenitic-ferritic stainless steel, which has superior corrosion resistance and high strength. It has better localized corrosion resistance than Type 316L and 317L, and the steel is applied in the industrial fields like chemical plant, seawater desalination plant, seawater pump, and so on. We supplies this product in plate, sheet and strip form.

SUS-329J3L,-S31803,-S32205,-14462,-Duplex-Stainless-Steel-In-China

Other from, you can eamil to [email protected] , we will custom produce for you, usually take 5-10 days.

SUS-329J3L,-S31803,-S32205,-14462,-Duplex-Stainless-Steel-Price

trabajabilidad

High temperature strength is similar to Type 430 in the range of 1150~950℃. However the steel shows rapid increase in the strength below 900℃. Regarding cold workability, care is required as proof stress is high and elongation is low in comparison with Type 304.

soldabilidad

Various welding methods are applicable in the same manner as with the standard austenitic stainless steels, including shielded metal arc welding, TIG welding, and plasma welding. Same duplex grade type welding consumable should be used.

Tratamiento térmico

Solution heat treatment should be performed in the range of 1020~1100℃ followed by rapid cooling. Cooling rate should be high in order to shorten the time exposing at temperature range which may cause the brittleness by 475℃ brittlement and σ phase formation.

Decapado

Una mezcla de ácido nítrico y ácido fluorico se utiliza en decapado. Sin embargo, debido a que la descalcificación es algo difícil en comparación con el Tipo 304, la inmersión alcalina antes del decapado ácido y, si es posible, el granallado son extremadamente efectivos.