Lega INCOLOY® 020

INCOLOY-Alloy-020


INCOLOY Alloy 020 (UNS N08020) Product Introduction

Composizione chimica

ElementoComposizione (%)
Nichel (Ni)32.0 – 38.0
Cromo (Cr)19.0 – 21.0
Ferro (Fe)Bal.
Rame3.0 – 4.0
Molibdeno (Mo)2.0 – 3.0
Manganese (Mn)2,0 massimo
Carbonio (C)00,02 massimo
Silicon (Si)1,0 massimo
Zolfo (S)00,035 massimo
Fosforo (P)0.045 max

Proprietà meccaniche

ProprietàValore
Resistenza alla trazione, ksi (MPa)80 (550) min
Limite di snervamento (compensazione dello 0,2%), ksi (MPa)35 (240) min
Allungamento (% in 2 pollici)30 min
Hardness, Brinell (HB)150 max

Prestazioni a diverse temperature

Intervallo di temperaturaPrestazione
Temperatura ambienteGood mechanical properties and corrosion resistance.
High Temperatures (up to 1900°F / 1040°C)Maintains strength and oxidation resistance.
Low TemperaturesRetains toughness and ductility at cryogenic temperatures.

Applicazioni industriali

Settore industrialeApplicazioni
Elaborazione chimicaSulfuric acid production, phosphoric acid production.
PetrochemicalReactors, heat exchangers.
Food ProcessingFood handling equipment.
PharmaceuticalPharmaceutical processing equipment, reactors.

Shape, Size, and Production Standards

Forma del prodottoForme disponibiliTaglie disponibiliStandard di produzione
FogliPlates, SheetsVarious thicknessesASTM B463, ASTM B366
BarreRound bars, hexagonal barsDiameter rangeASTM B462, ASTM B464
Tubes/PipesSeamless tubes, welded pipesVarious dimensionsASME SB-462, ASME SB-464

Standards and Corresponding Grades

Paese/regioneStandard/Grade
Stati Uniti d'AmericaUNS N08020
Europe2.4660
GiapponeNW 08020
CinaNS143

Welding, Processing, Polishing, Heat Treatment

ProcessDettagli
SaldaturaGood weldability using TIG, MIG methods.
in lavorazioneCold and hot forming processes. Machinable with standard methods.
LucidaturaAchieves smooth finishes suitable for sanitary applications.
Trattamento termicoAnnealing at 1950°F (1065°C) followed by rapid quenching.

Cold Processing, Advantages, and Disadvantages

AspettoDettagli
Lavorazione a freddoExcellent formability and cold workability.
VantaggiHigh corrosion resistance, good mechanical properties at elevated temperatures.
SvantaggiHigher cost compared to standard stainless steels. Requires careful welding practices to avoid sensitization.

Similar Products

Product NameComparison
Incoloy 800 (UNS N08800)Lower nickel content, similar applications.
Incoloy 825 (UNS N08825)Higher molybdenum and copper content, enhanced corrosion resistance.

This structured presentation provides a detailed insight into the chemical composition, mechanical properties, performance characteristics at different temperatures, industry applications, shapes and sizes available, production standards, welding and processing capabilities, as well as the advantages, disadvantages, and similar products related to INCOLOY Alloy 020 (UNS N08020). Each section is presented in a table format to ensure clarity and ease of reference for technical specifications and comparisons.