INCONEL® Alloy 625: Comprehensive Product Introduction
Introduction to INCONEL® Alloy 625
INCONEL® alloy 625 is a nickel-based superalloy known for its exceptional strength, corrosion resistance, and versatility in extreme environments. Developed to withstand high temperatures and aggressive chemical environments, this alloy is widely utilized across various industries. This article provides a detailed overview of INCONEL® alloy 625, covering its chemical composition, mechanical properties, corresponding grades, industry applications, available forms, sizes, and production standards across different countries.
Chemical Composition of INCONEL® Alloy 625
INCONEL® alloy 625 is composed of precise elements to achieve its remarkable properties:
| Élément | Composition (%) |
|---|---|
| Nickel (Ni) | 58,0 minutes |
| Chrome (Cr) | 20,0-23,0 |
| Molybdène (Mo) | 8,0-10,0 |
| Fer (Fe) | 5,0 maximum |
| Niobium (Nb) | 15h15-16h15 |
| Cobalt (Co) | 1,0 maximum |
| Manganèse (Mn) | 00,50 maximum |
| Silicium (Si) | 00,50 maximum |
| Carbone (C) | 00,10 maximum |
| Phosphore (P) | 00,015 maximum |
| Soufre (S) | 00,015 maximum |
| Aluminium (Al) | 00,40 maximum |
| Titane (Ti) | 00,40 maximum |
Mechanical Properties of INCONEL® Alloy 625
INCONEL® alloy 625 exhibits excellent mechanical properties suitable for demanding applications:
| Propriété | Valeur |
|---|---|
| Résistance à la traction | 760 MPa (110 ksi) min |
| Limite d'élasticité (compensation de 0,2 %) | 345 MPa (50 ksi) min |
| Élongation | 30 % minimum |
| Dureté (Brinell) | 150-240 (varie selon le traitement thermique) |
| Densité | 8,44 g/cm³ |
Notes correspondantes dans différents pays
INCONEL® alloy 625 is identified by different grades in various countries and regions:
| Pays/Région | Grade |
|---|---|
| USA | UNS N06625 |
| Allemagne | 2,4856 |
| France | NC22DNB4M |
| ROYAUME-UNI | NA21 |
| Japon | FCN 625 |
| Chine | GH3625 |
Formes standard, tailles et normes de production
Formes et tailles
INCONEL® alloy 625 is available in various forms and sizes to meet diverse industrial needs:
| Formulaire | Gamme de tailles |
|---|---|
| Feuilles | Épaisseur : 0,1 mm – 50 mm |
| Assiettes | Épaisseur : 0,3 mm – 100 mm |
| Barres | Diamètre : 5 mm – 300 mm |
| Fil | Diamètre : 0,1 mm – 10 mm |
| Tubes | Diamètre extérieur : 6 mm – 200 mm |
| Tuyaux | Diamètre extérieur : 10 mm – 300 mm |
| Raccords | Diverses configurations selon les normes |
| Pièces forgées | Différentes formes et tailles selon les normes |
Normes de production
INCONEL® alloy 625 complies with several international production standards:
| Standard | Description |
|---|---|
| ASTMB443 | Feuilles, plaques et bandes |
| ASTMB446 | Barres, tiges et fils |
| ASTMB444 | Tuyaux et tubes sans soudure |
| ASTMB704 | Tubes soudés |
| ASTMB564 | Pièces forgées |
| ASTMB366 | Raccords |
Industry Applications of INCONEL® Alloy 625
INCONEL® alloy 625 is extensively used across various industries due to its exceptional properties:
- Aérospatial: Turbine blades, seals, and combustors in aircraft engines.
- Traitement chimique: Equipment for handling corrosive chemicals like sulfuric acid and hydrochloric acid.
- Marin: Components exposed to seawater and marine environments.
- Pétrole et Gaz: Downhole equipment, tubing, and valves in oil extraction and refining.
- Production d'électricité: Steam turbine seals and high-pressure boiler components.
Advantages of INCONEL® Alloy 625
- Résistance à la corrosion: Exhibits resistance to oxidation and chloride-induced stress corrosion cracking.
- Haute résistance: Retains strength and toughness at elevated temperatures up to 980°C (1800°F).
- Fabricabilité: Facilement usiné, soudé et façonné en formes complexes.
- Longevity: Provides long-term performance and reliability in demanding conditions.
Conclusion
INCONEL® alloy 625 is a testament to advanced metallurgical engineering, offering unmatched strength, corrosion resistance, and versatility across industries globally. Its superior properties, combined with a wide range of forms, sizes, and adherence to international standards, make it indispensable for critical applications requiring reliability and performance in harsh environments.
By understanding its chemical composition, mechanical properties, applications, and adherence to production standards across different countries, engineers and designers can effectively leverage the unique capabilities of INCONEL® alloy 625 to enhance operational efficiency and ensure long-term durability.
Pour des spécifications techniques détaillées et des demandes de renseignements complémentaires, il est recommandé de référencer les fiches techniques des produits spécifiques et de consulter les fabricants.
This comprehensive introduction and detailed data sheet provide a thorough overview of INCONEL® alloy 625, emphasizing its chemical composition, mechanical properties, applications, and advantages in demanding industrial environments across different countries.