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.
Chemische Zusammensetzung
Element
Komposition (%)
Nickel (Ni)
66.0 min
Chrom (Cr)
21.0 – 23.5
Eisen (Fe)
5.0 – 7.0
Molybdän (Mo)
6,0 – 8,0
Kupfer
1,0 – 2,5
Mangan (Mn)
1,0 max
Silizium (Si)
0.70 max
Kohlenstoff (C)
0.05 – 0,15
Schwefel (S)
0.015 max
Phosphor (P)
0.015 max
Mechanische Eigenschaften
Eigentum
Wert
Zugfestigkeit, ksi (MPa)
110 (760) Minuten
Streckgrenze (0,2 % Offset), ksi (MPa)
52 (360) min
Dehnung (% in 2 Zoll)
40 Min
Härte, Rockwell C (HRC)
25 – 35
Leistung bei verschiedenen Temperaturen
HASTELLOY® G™ alloy exhibits excellent performance across varying temperature ranges:
Raumtemperatur:Exceptional resistance to oxidizing and reducing acids such as sulfuric acid, nitric acid, and hydrochloric acid.
Elevated Temperatures:Maintains high strength and corrosion resistance up to 1800°F (980°C), making it suitable for high-temperature chemical processing.
Niedrige Temperaturen:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.
Branchenanwendungen
HASTELLOY® G™ alloy finds applications across various industries due to its superior corrosion resistance:
Industriesektor
Anwendungen
Chemische Verarbeitung
Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids and chlorides.
Zellstoff und Papier
Equipment for bleach plants, digesters, and evaporators exposed to corrosive media.
Öl und Gas
Components in refineries and petrochemical plants exposed to sour gas environments containing hydrogen sulfide.
Pharmazeutisch
Pharmaceutical processing equipment requiring resistance to harsh chemicals.
Formen, Größen und Produktionsstandards
Produkt Form
Verfügbare Formen
Verfügbare Größen
Produktionsstandards
Blätter/Platten
Platten, Blätter
Dicke: 0,025″ – 1,000″ (0,64 mm – 25,4 mm)
ASTM B582
Riegel
Rundstäbe, Sechskantstäbe
Durchmesser: 0,25″ – 6,0″ (6,35 mm – 152,4 mm)
ASTM B582
Rohre/Rohre
Nahtlose Rohre, geschweißte Rohre
Außendurchmesser: 0,5″ – 6,0″ (12,7 mm – 152,4 mm)
ASTM B619, ASTM B622
Standards und entsprechende Noten
Land/Region
Standard/Klasse
USA
UNS N06007
Europa
2.4618
Deutschland
NiCr23Mo16Cu
Frankreich
NC23FeDU
Schweißen, Bearbeiten, Polieren, Wärmebehandlung
Verfahren
Einzelheiten
Schweißen
Hervorragende Schweißbarkeit mit WIG- und MIG-Methoden, wodurch starke und zuverlässige Verbindungen in korrosiven Umgebungen gewährleistet werden.
wird bearbeitet
Mit herkömmlichen Methoden bearbeitbar und bietet Flexibilität bei den Herstellungsprozessen.
Polieren
Erzielt glatte Oberflächen für verbesserte Korrosionsbeständigkeit und Ästhetik.
Wärmebehandlung
Annealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.
Kaltverarbeitung, Vor- und Nachteile
Aspekt
Einzelheiten
Kaltverarbeitung
Behält die Duktilität und Formbarkeit bei Raumtemperatur und erleichtert so die Formgebung und Herstellung.
Vorteile
Exceptional resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Nachteile
Higher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.
Ähnliche Produkte
Produktname
Vergleich
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.
Vergleich ähnlicher Produkte
Eigenschaft/Funktion
Hastelloy G™
Hastelloy C-276
Hastelloy C-22
Nickelgehalt (%)
66.0
57,0
56,0
Molybdängehalt (%)
6,0 – 8,0
15.0 – 17.0
12.5 – 14.5
Chromgehalt (%)
21.0 – 23.5
14.5 – 16.5
20.0 – 22.5
Zugfestigkeit (ksi)
110 Min
110 Min
115 Min
Streckgrenze (ksi)
52 min
52 min
55 Min
Korrosionsbeständigkeit
Excellent in oxidizing and reducing acids, including sulfuric, nitric, and hydrochloric acid.
Excellent in a wide range of corrosive environments, including strong oxidizers and reducing agents.
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.
