HASTELLOY® G-30® alloy (UNS N06030) is a highly corrosion-resistant nickel-base alloy designed for use in severe environments involving strong oxidizing agents. This article provides a comprehensive introduction to HASTELLOY® G-30® alloy, covering 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)
46.0 – 49.0
Cromo (Cr)
29.0 – 31.5
Ferro (Fe)
14.0 – 17.0
Molibdeno (Mo)
4.0 – 6.0
Cobalto (Co)
2,5 massimo
Tungsteno (W)
1.5 – 4.0
Manganese (Mn)
1,0 massimo
Silicon (Si)
1,0 massimo
Carbonio (C)
00,03 massimo
Fosforo (P)
00,04 massimo
Zolfo (S)
00,02 massimo
Proprietà meccaniche
Proprietà
Valore
Resistenza alla trazione, ksi (MPa)
100 (690) min
Limite di snervamento (compensazione dello 0,2%), ksi (MPa)
45 (310) min
Allungamento (% in 2 pollici)
40 minuti
Durezza, Rockwell C (HRC)
28 max
Prestazioni a diverse temperature
HASTELLOY® G-30® alloy exhibits excellent performance across varying temperature ranges:
Temperatura ambiente:Superior resistance to a wide range of oxidizing and reducing environments, including sulfuric acid, phosphoric acid, and nitric acid.
Temperature elevate:Maintains high strength and corrosion resistance up to 1800°F (980°C), suitable for applications in chemical processing and pollution control equipment.
Basse temperature:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme conditions.
Applicazioni industriali
HASTELLOY® G-30® alloy is utilized in various industries due to its exceptional corrosion resistance:
Settore industriale
Applicazioni
Elaborazione chimica
Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids, chlorides, and fluoride solutions.
Pollution Control
Scrubbers, stack liners, and ducts exposed to corrosive gases and acidic environments.
Farmaceutico
Pharmaceutical processing equipment requiring resistance to harsh chemicals and sterilization solutions.
Pulp and Paper
Equipment for bleach plants, digesters, and evaporators exposed to corrosive media.
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
Excellent 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-30® 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-30®
Hastelloy C-276
Hastelloy C-22
Contenuto di nichel (%)
46.0 – 49.0
57.0
56.0
Contenuto di molibdeno (%)
4.0 – 6.0
15.0 – 17.0
12.5 – 14.5
Contenuto di cromo (%)
29.0 – 31.5
14.5 – 16.5
20.0 – 22.5
Resistenza alla trazione (ksi)
100 min
110 minuti
115 minuti
Limite di snervamento (ksi)
45 min
52 minuti
55 minuti
Resistenza alla corrosione
Excellent in oxidizing and reducing acids, including sulfuric, phosphoric, and nitric 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 detailed article serves as an in-depth introduction to HASTELLOY® G-30® alloy (UNS N06030), providing essential information on its composition, mechanical properties, performance characteristics, applications across various industries, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. The structured presentation using tables ensures clarity and accessibility of technical details, catering to professionals seeking reliable corrosion-resistant materials for demanding environments.
