C90800 Description du produit :
Here’s the product description with a brief introduction:
C90800 High-Tin Bronze: Premium Alloy for Industrial Excellence
C90800 is a high-performance copper-tin alloy engineered for demanding industrial applications. This versatile material offers a unique combination of properties that make it indispensable in various sectors:
- Alliage de cuivre avec une teneur en étain de 11 à 13 %
- Haute résistance et excellente résistance à l'usure
- Idéal pour les applications lourdes et à faible vitesse
- Dureté et résistance à la corrosion améliorées
- Utilisations courantes : engrenages industriels, composants marins, roulements
- Bonnes propriétés d'usinabilité et de coulée
- Disponible sous forme de barres, tubes, plaques et autres formes
- Convient aux applications exigeantes et de haute durabilité
- Conforme aux normes de sécurité de l'eau potable
- Équilibre la résistance, la résistance à l’usure et la protection contre la corrosion
C90800 High-Tin Bronze: A Comprehensive Product Guide
C90800 high-tin bronze is a copper-based alloy renowned for its exceptional strength, wear resistance, and performance under heavy loads and low speeds. This comprehensive guide delves into the various aspects of C90800 tin bronze, including its composition, properties, applications, and manufacturing processes.
Composition chimique
The chemical composition of C90800 tin bronze is crucial to its performance characteristics. The following table outlines the elemental breakdown and the role of each element:
| Élément | Percentage Range | Role in the Alloy |
|---|---|---|
| Cuivre | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| Étain (Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| Plomb (Pb) | 0.25% max | Enhances machinability, reduces friction |
| Zinc (Zn) | 0.25% max | Increases strength, improves fluidity |
| Fer (Fe) | 0.15% max | Refines grain structure, increases strength |
| Phosphore (P) | 0.30% max* | Increases hardness, improves fluidity |
| Nickel (Ni) | 0.50% max | Enhances strength and corrosion resistance |
| Aluminium (Al) | 00,005 % maximum | Acts as a deoxidizer, improves mechanical properties |
| Soufre (S) | 0.05% max | Impurity, typically kept at low levels |
| Antimony (Sb) | 0.20% maximum | Increases hardness, improves creep resistance |
| Silicium (Si) | 00,005 % maximum | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
Propriétés mécaniques
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| Propriété | Valeur |
|---|---|
| Tensile Strength (min) | 35 ksi (241 MPa) |
| Yield Strength (min) | 17 ksi (117 MPa) |
| Elongation (min) | dix% |
| Dureté Brinell | 65 BHN (typical) |
| Densité | 0.317 lb/in³ at 68°F |
Performances à différentes températures
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| Plage de température | Caractéristiques de performance |
|---|---|
| Basse température (-50°C à 0°C) | Maintains strength and ductility |
| Room Temperature (0°C to 30°C) | Optimal performance for most applications |
| Elevated Temperature (30°C to 200°C) | Retains strength, slight decrease in hardness |
| High Temperature (200°C to 400°C) | Gradual decrease in strength, still usable for some applications |
Applications industrielles
C90800 tin bronze finds use in various industries due to its unique properties:
| Industrie | Applications |
|---|---|
| Industriel | Speed reducers, worm gears |
| Marin | Roues de pompe, corps de vannes |
| Construction | Composants de pont mobiles, platines pour ponts |
| Automobile | Piston rings, bushings |
| General Engineering | High-strength bearings, steam fittings |
Disponibilité de forme et de taille
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| Former | Gamme de tailles | Common Applications | Remarques |
|---|---|---|---|
| Solid Bars | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| Tubes | 25mm – 150mm outer diameter | Bushings, pump bodies, valves | Wall thickness varies, consult manufacturer |
| Assiettes | 6mm – 100mm thickness, up to 1000mm width | Wear plates, flanges, large bearings | Can be cut to specific sizes |
| Forgeages | Up to 2000kg | Large machinery parts, marine components | Custom shapes possible |
| Moulages | No size limit | Pump casings, valve bodies, gearboxes | Complex shapes possible, consider mold design |
| Câble | 1mm – 10mm diameter | Welding wire, small springs | Usually supplied in coils |
| Hexagonal Bars | 10mm – 60mm across flats | Bolts, nuts, special fasteners | Standard length 3000mm |
| Square Bars | 10mm – 100mm side length | Tools, dies, machine parts | Custom lengths available, standard 3000mm |
Additional information:
- All shapes can be customized to customer specifications
- Tolerances can meet ISO f7 grade
- Surface finishing services available (e.g., polishing, nickel plating)
- Longer lead times may be required for large castings and forgings
- Minimum order quantities may apply for certain special sizes
Normes de production
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | La description |
|---|---|
| Federal Safe Drinking Water Act (SDWA) | Ensures material safety for drinking water applications |
| S. 3874 Loi fédérale sur la réduction du plomb dans l'eau potable | Limits lead content in drinking water systems |
| Californie AB1953 | State-specific regulation for lead content in plumbing |
| Loi 193 du Vermont | State-specific regulation for lead in consumer products |
International Standards and Corresponding Grades
While specific international standards for C90800 are not provided in the given information, tin bronzes often have equivalent or similar grades in different countries:
| Pays/Région | Standard | Equivalent/Similar Grade |
|---|---|---|
| Etats-Unis | ASTHME | C90800 |
| L'Europe | AU | CuSn12 |
| Japon | JIS | CAC904 |
| Chine | FR | ZCuSn12 |
| Royaume-Uni | BS | PB4 |
Caractéristiques de soudage
Welding tin bronze requires specific techniques due to its composition:
| Méthode de soudage | Pertinence | Remarques |
|---|---|---|
| Gas Tungsten Arc Welding (GTAW) | Bon | Preferred for thin sections |
| Gas Metal Arc Welding (GMAW) | Bon | Suitable for thicker sections |
| Shielded Metal Arc Welding (SMAW) | Équitable | Requires proper electrode selection |
| Soudage oxyacétylénique | Ouvrage écroui par laminage puis stabilisé par traitement thermique à basse température jusqu'au quart de dur | Not recommended due to high heat input |
Caractéristiques de traitement
C90800 can be processed using various methods:
| Traiter | Pertinence | Remarques |
|---|---|---|
| Usinage | Bon | Moderate machinability |
| Formant | Équitable | Formabilité limitée en raison de la teneur élevée en étain |
| Fonderie | Excellent | Widely used in casting applications |
| Forgeage | Ouvrage écroui par laminage puis stabilisé par traitement thermique à basse température jusqu'au quart de dur | Not typically forged due to high tin content |
Polissage
Polishing C90800 can enhance its appearance and surface properties:
| Méthode de polissage | Effectiveness | Remarques |
|---|---|---|
| Polissage mécanique | Bon | Achieves high luster |
| Polissage chimique | Équitable | Can be used for complex shapes |
| Électropolissage | Bon | Provides smooth, bright finish |
Traitement thermique
Heat treatment can modify the properties of C90800:
| Traitement thermique | But | Traiter |
|---|---|---|
| recuit | Stress relief, softening | Heat to 600-650°C, slow cool |
| Trempe | Durcissement | Rapid cooling from 760-870°C |
| Trempe | Stress relief after quenching | Heat to 200-300°C, air cool |
Traitement à froid
Cold working can alter the mechanical properties of C90800:
| Cold Working Method | Effect on Properties |
|---|---|
| Laminage à froid | Increases strength, reduces ductility |
| Étirage à froid | Improves surface finish, dimensional accuracy |
| Forgeage à froid | Limited applicability due to high tin content |
Avantages et inconvénients
C90800 tin bronze has several pros and cons:
| Avantages | Désavantages |
|---|---|
| Haute résistance | Relatively high cost |
| Excellente résistance à l'usure | Formabilité limitée |
| métro et tramway | Lower electrical conductivity than pure copper |
| Faible coefficient de frottement | Potential for tin pest at very low temperatures |
| Convient aux charges lourdes | Ne convient pas aux applications à grande vitesse |
Produits similaires et comparaison
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| Alliage | Cu % | Sn % | Other Elements | Différences clés |
|---|---|---|---|---|
| C90800 | 85-89 | 11-13 | Pb, Zn, Fe, P, Ni | Base alloy for comparison |
| C90700 | 88-90 | 10-12 | Pb, Zn, Ni | Slightly lower tin, higher copper |
| C91000 | 83-85 | 15-17 | Pb, Zn | Higher tin content, increased hardness |
| C91100 | 82-84 | 16-18 | Pb, Zn | Even higher tin, maximum hardness |
| C90500 | 86-89 | 9-11 | Pb, Zn, Ni | Lower tin, increased ductility |
Conclusion
- C90800 high-tin bronze is a versatile alloy with unique properties
- High strength, excellent wear resistance, and good corrosion resistance
- Suitable for heavy loads and low-speed applications
- Wide range of industrial applications
- Available in various shapes and sizes
- Properties can be modified through heat treatment and cold working
- Relatively high cost
- Formabilité limitée
- Lower electrical conductivity than pure copper
- Potential for tin pest at very low temperatures
- Consider specific requirements, operating conditions, and economic factors when selecting
- Compare with similar tin bronze alloys for optimal choice
- Valuable material for engineers and designers
- Proven track record in various industries
- Strong candidate for demanding applications in modern engineering and manufacturing
