Super Alloy HASTELLOY® G™ (UNS N06007) Product Introduction
HASTELLOY® G™ (UNS N06007) is a highly corrosion-resistant nickel-chromium-iron-molybdenum alloy designed for extreme environments where resistance to oxidizing and reducing acids is critical. This article provides a comprehensive introduction to HASTELLOY® G™ alloy, detailing its chemical composition, mechanical properties, performance across different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar products.
Composizione chimica
Elemento
Composizione (%)
Nichel (Ni)
66.0 min
Cromo (Cr)
21.0 – 23.5
Ferro (Fe)
5.0 – 7.0
Molibdeno (Mo)
6.0 – 8.0
Rame
1.0 – 2.5
Manganese (Mn)
1,0 massimo
Silicon (Si)
0.70 max
Carbonio (C)
0.05 – 0.15
Zolfo (S)
00,015 massimo
Fosforo (P)
00,015 massimo
Proprietà meccaniche
Proprietà
Valore
Resistenza alla trazione, ksi (MPa)
110 (760) minuti
Limite di snervamento (compensazione dello 0,2%), ksi (MPa)
52 (360) min
Allungamento (% in 2 pollici)
40 minuti
Durezza, Rockwell C (HRC)
25 – 35
Prestazioni a diverse temperature
HASTELLOY® G™ alloy exhibits excellent performance across varying temperature ranges:
Temperatura ambiente:Exceptional resistance to oxidizing and reducing acids such as sulfuric acid, nitric acid, and hydrochloric acid.
Temperature elevate:Maintains high strength and corrosion resistance up to 1800°F (980°C), making it suitable for high-temperature chemical processing.
Basse temperature:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.
Applicazioni industriali
HASTELLOY® G™ alloy finds applications across various industries due to its superior corrosion resistance:
Settore industriale
Applicazioni
Elaborazione chimica
Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids and chlorides.
Pulp and Paper
Equipment for bleach plants, digesters, and evaporators exposed to corrosive media.
Olio e gas
Components in refineries and petrochemical plants exposed to sour gas environments containing hydrogen sulfide.
Farmaceutico
Pharmaceutical processing equipment requiring resistance to harsh chemicals.
Forme, dimensioni e standard di produzione
Forma del prodotto
Forme disponibili
Taglie disponibili
Standard di produzione
Fogli/Piastre
Piatti, Fogli
Spessore: 0,025″ – 1.000″ (0,64 mm – 25,4 mm)
ASTM B582
Barre
Barre tonde, barre esagonali
Diametro: 0,25″ – 6,0″ (6,35 mm – 152,4 mm)
ASTM B582
Tubi/tubazioni
Tubi senza saldatura, tubi saldati
Diametro esterno: 0,5″ – 6,0″ (12,7 mm – 152,4 mm)
Eccellente saldabilità con metodi TIG, MIG, garantendo giunti forti e affidabili in ambienti corrosivi.
in lavorazione
Lavorabile con metodi convenzionali, offre flessibilità nei processi di fabbricazione.
Lucidatura
In grado di ottenere finiture lisce per una maggiore resistenza alla corrosione e un aspetto estetico migliore.
Trattamento termico
La ricottura a 2050°F (1121°C) seguita da una rapida tempra ottimizza le proprietà e le prestazioni del materiale.
Lavorazione a freddo, vantaggi e svantaggi
Aspetto
Dettagli
Lavorazione a freddo
Mantiene la duttilità e la formabilità a temperatura ambiente, facilitando la modellatura e la fabbricazione.
Vantaggi
Exceptional resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Svantaggi
Costo iniziale più elevato rispetto agli acciai inossidabili convenzionali, disponibilità limitata di forme e dimensioni specifiche.
Prodotti simili
Nome del prodotto
Confronto
HASTELLOY C-276 (UNS N10276)
Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to G™ alloy.
HASTELLOY C-22 (UNS N06022)
Higher chromium content and resistance to oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.
Confronto di prodotti simili
Proprietà/funzionalità
Hastelloy G™
Hastelloy C-276
Hastelloy C-22
Contenuto di nichel (%)
66.0
57.0
56.0
Contenuto di molibdeno (%)
6.0 – 8.0
15.0 – 17.0
12.5 – 14.5
Contenuto di cromo (%)
21.0 – 23.5
14.5 – 16.5
20.0 – 22.5
Resistenza alla trazione (ksi)
110 minuti
110 minuti
115 minuti
Limite di snervamento (ksi)
52 minuti
52 minuti
55 minuti
Resistenza alla corrosione
Excellent in oxidizing and reducing acids, including sulfuric, nitric, and hydrochloric acid.
Eccellente in un'ampia gamma di ambienti corrosivi, compresi forti ossidanti e agenti riducenti.
Excellent in oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.
This comprehensive article provides a detailed introduction to HASTELLOY® G™ alloy (UNS N06007), encompassing its chemical composition, mechanical properties, performance in various environments, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. The structured format using tables ensures clarity and accessibility of technical information, catering to engineers, manufacturers, and professionals seeking corrosion-resistant materials for demanding applications.
