Nickel Alloy 205 (UNS N02205): Product Introduction
Nickel Alloy 205, designated as UNS N02205, is a commercially pure nickel alloy known for its excellent mechanical properties and corrosion resistance in various environments. This article provides a comprehensive introduction to Nickel Alloy 205, covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes and sizes, production standards, welding and processing capabilities, advantages and disadvantages, and a comparison with similar alloys.
Composition chimique
Nickel Alloy 205 is a pure nickel alloy with high nickel content and minimal impurities:
| Élément | Composition (%) |
|---|---|
| Nickel (Ni) | 99,0 minutes |
| Fer (Fe) | 00,40 maximum |
| Manganèse (Mn) | 00,35 maximum |
| Silicium (Si) | 00,35 maximum |
| Cuivre | 00,25 maximum |
| Carbone (C) | 00,15 maximum |
| Soufre (S) | 00,01 maximum |
Propriétés mécaniques
Nickel Alloy 205 exhibits excellent mechanical properties suitable for various applications:
| Propriété | Valeur |
|---|---|
| Résistance à la traction, ksi (MPa) | 65 – 85 (450 – 585) |
| Limite d'élasticité (compensation de 0,2 %), ksi (MPa) | 15 – 35 (105 – 240) |
| Allongement (% en 2 pouces) | 40 minutes |
| Dureté, Rockwell B (HRB) | 70 max |
Caractéristiques de performance
Nickel Alloy 205 offers several performance advantages:
- Résistance à la corrosion : Excellent resistance to corrosion in both reducing and oxidizing environments, including acids, alkalis, and neutral salts.
- Résistance à la température : Maintains mechanical properties at high temperatures, suitable for elevated temperature applications.
- Conductivité électrique et thermique : High electrical and thermal conductivity, making it suitable for electrical components and heat exchangers.
Applications industrielles
Nickel Alloy 205 finds widespread use in various industries due to its unique properties:
| Secteur industriel | Applications |
|---|---|
| Traitement chimique | Equipment and components for handling acids, alkalis, and chemicals in processing plants. |
| Électronique | Electrical connectors, switches, and components requiring high electrical conductivity and corrosion resistance. |
| Marin | Marine applications requiring resistance to seawater and brine solutions. |
Formes et tailles
Nickel Alloy 205 is available in various forms and sizes to meet diverse application needs:
- Formes: Feuilles, plaques, barres, tubes, tuyaux et fils.
- Tailles : Épaisseur allant de 0,1 mm à 50 mm pour les plaques, et diamètre allant de 1 mm à 300 mm pour les barres rondes.
Normes de production
Nickel Alloy 205 conforms to international production standards ensuring quality and reliability:
| Formulaire de produit | Formes disponibles | Tailles disponibles | Normes de production |
|---|---|---|---|
| Plaques/Feuilles | Feuilles, plaques | Épaisseur : 0,1 mm – 50 mm | ASTM B162, DIN 17750 |
| Barres/tiges | Barres rondes, barres carrées | Diamètre : 1 mm – 300 mm | ASTM B160, DIN 17752 |
| Tuyaux/Tubes | Sans soudure, soudé | Diamètre extérieur : 1 mm – 300 mm | ASTM B161, ASTM B163 |
Soudage et transformation
Nickel Alloy 205 offers good weldability and processing characteristics:
- Soudage: Can be welded using various methods including TIG, MIG, and resistance welding. It is important to use appropriate filler metals to maintain corrosion resistance.
- Usinabilité : Présente une bonne usinabilité à l’état recuit. Les outils en carbure sont recommandés pour les opérations d'usinage.
Avantages et inconvénients
| Aspect | Détails |
|---|---|
| Avantages | High corrosion resistance in a wide range of environments, excellent mechanical properties over a wide temperature range, good electrical and thermal conductivity. |
| Désavantages | Higher cost compared to some other nickel alloys, limited availability in some forms and sizes. |
Comparaison avec des alliages similaires
Nickel Alloy 205 (UNS N02205) is often compared with other commercially pure nickel alloys such as Nickel 200 (UNS N02200) and Nickel 201 (UNS N02201). Here’s a brief comparison:
| Type/propriété de l'alliage | Nickel Alloy 205 (UNS N02205) | Alliage nickel 200 (UNS N02200) | Alliage de nickel 201 (UNS N02201) |
|---|---|---|---|
| Composition chimique | High nickel content with low impurities, suitable for various corrosive environments. | Haute teneur en nickel et faible teneur en carbone, adaptée aux environnements réducteurs. | High nickel content with low carbon, improved ductility compared to Nickel 200. |
| Résistance à la corrosion | Excellent resistance to acids, alkalis, and neutral salts. Susceptible to oxidation in high-temperature oxidizing environments. | Excellent resistance to acids, alkalis, and neutral salts, with susceptibility to oxidation in certain conditions. | Good resistance to many corrosive environments, improved ductility compared to Nickel 200. |
| Applications | Chemical processing, electronics, marine applications requiring corrosion resistance and high electrical conductivity. | Traitement chimique, électronique, manipulation des aliments. | Electrical components, chemical processing requiring high purity and corrosion resistance. |
This detailed article introduces Nickel Alloy 205 (UNS N02205), highlighting its chemical composition, mechanical properties, performance characteristics, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and a comparison with similar alloys. Engineers and professionals seeking a robust, corrosion-resistant material with excellent mechanical properties for demanding environments will find Nickel Alloy 205 suitable for a wide range of applications.