HASTELLOY® C-2000® alloy (UNS N06200) is a highly corrosion-resistant nickel-chromium-molybdenum-tungsten alloy designed for use in extreme chemical environments. This article provides a detailed and rich introduction to HASTELLOY® C-2000® alloy, covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar products.
Composition chimique
Élément
Composition (%)
Nickel (Ni)
50.0 min
Chrome (Cr)
22.0 – 24.0
Molybdène (Mo)
15.0 – 17.0
Tungstène (W)
3.0 – 4.5
Fer (Fe)
2,0 maximum
Cobalt (Co)
1,0 maximum
Manganèse (Mn)
00,50 maximum
Carbone (C)
00,010 maximum
Silicium (Si)
00,08 maximum
Phosphore (P)
0.025 max
Soufre (S)
00,010 maximum
Propriétés mécaniques
Propriété
Valeur
Résistance à la traction, ksi (MPa)
100 (690) minutes
Limite d'élasticité (compensation de 0,2 %), ksi (MPa)
45 (310) minutes
Allongement (% en 2 pouces)
40 minutes
Dureté, Rockwell C (HRC)
28 max
Performances à différentes températures
HASTELLOY® C-2000® alloy exhibits excellent performance across varying temperature ranges:
Température ambiante :Exceptional resistance to a wide range of corrosive chemicals, including sulfuric acid, acetic 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.
Basses températures :Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.
Applications industrielles
HASTELLOY® C-2000® alloy is utilized in various industries due to its superior corrosion resistance:
Secteur industriel
Applications
Traitement chimique
Reaction vessels, heat exchangers, and piping systems handling corrosive chemicals such as acids and chlorides.
Pétrole et Gaz
Equipment exposed to sour gas environments containing hydrogen sulfide and other corrosive gases.
Pharmaceutique
Équipements de traitement pharmaceutique nécessitant une résistance aux produits chimiques agressifs.
Pâtes et papiers
Components in bleach plants and digesters exposed to harsh chemical environments.
Excellente soudabilité grâce aux méthodes TIG, MIG, garantissant des joints solides et fiables dans des environnements corrosifs.
Traitement
Usinable selon des méthodes conventionnelles, offrant une flexibilité dans les processus de fabrication.
Polissage
Capable d’obtenir des finitions lisses pour une résistance à la corrosion et un attrait esthétique améliorés.
Traitement thermique
Annealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.
Traitement à froid, avantages et inconvénients
Aspect
Détails
Traitement à froid
Conserve la ductilité et la formabilité à température ambiante, facilitant ainsi la mise en forme et la fabrication.
Avantages
Superior resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Désavantages
Higher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.
Produits similaires
Nom du produit
Comparaison
HASTELLOY C-276 (UNS N10276)
Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to C-2000.
HASTELLOY B-3 (UNS N10675)
Enhanced thermal stability and resistance to reducing acids, suitable for more severe corrosive conditions than C-2000.
Comparaison de produits similaires
Propriété/caractéristique
Hastelloy C-2000
Hastelloy C-276
Hastelloy B-3
Teneur en nickel (%)
50.0
57,0
65,0
Teneur en molybdène (%)
15.0 – 17.0
15.0 – 17.0
1,0 – 3,0
Teneur en chrome (%)
22.0 – 24.0
14.5 – 16.5
1,5 – 3,0
Résistance à la traction (ksi)
100 minutes
110 min
100 minutes
Limite d'élasticité (ksi)
45 minutes
52 min
40 minutes
Résistance à la corrosion
Excellent in oxidizing and reducing acids, including sulfuric, acetic, and hydrochloric acid.
Excellent in a wide range of corrosive environments, including strong oxidizers and reducing agents.
Excellent in reducing acids and severe corrosive conditions.
This comprehensive article provides a detailed introduction to HASTELLOY® C-2000® alloy (UNS N06200), 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.
