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 minuti
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.
PetrolchimicoReactors, heat exchangers.
Trasformazione alimentareFood handling equipment.
FarmaceuticoPharmaceutical processing equipment, reactors.

Shape, Size, and Production Standards

Forma del prodottoForme disponibiliTaglie disponibiliStandard di produzione
FogliPiatti, FogliVarious thicknessesASTM B463, ASTM B366
BarreBarre tonde, barre esagonaliDiameter rangeASTM B462, ASTM B464
Tubi/tubazioniTubi senza saldatura, tubi saldatiVarious dimensionsASME SB-462, ASME SB-464

Standard e gradi corrispondenti

Paese/regioneStandard/Grado
Stati Uniti d'AmericaUNS N08020
Europa2.4660
GiapponeNW 08020
CinaNS143

Saldatura, Lavorazione, Lucidatura, Trattamento Termico

ProcessoDettagli
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.

Lavorazione a freddo, vantaggi e svantaggi

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.

Prodotti simili

Nome del prodottoConfronto
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.