C90800 Product description:
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:
- Copper alloy with 11-13% tin content
- Alta resistencia y excelente resistencia al desgaste.
- Ideal for heavy-load, low-speed applications
- Enhanced hardness and corrosion resistance
- Common uses: industrial gears, marine components, bearings
- Good machinability and casting properties
- Available in bars, tubes, plates, and other forms
- Suitable for demanding, high-durability applications
- Complies with drinking water safety standards
- Balances strength, wear resistance, and corrosion protection
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.
Composición química
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:
| Elemento | Rango de porcentaje | Papel en la aleación |
|---|---|---|
| Cobre | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| Estaño (Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| Plomo (Pb) | 0.25% max | Enhances machinability, reduces friction |
| Cinc (Zn) | 0.25% max | Increases strength, improves fluidity |
| Hierro (Fe) | 0.15% max | Refines grain structure, increases strength |
| Fósforo (P) | 0.30% max* | Increases hardness, improves fluidity |
| Níquel (Ni) | 0.50% max | Enhances strength and corrosion resistance |
| Aluminio (Al) | 00,005 % máx. | Acts as a deoxidizer, improves mechanical properties |
| Azufre (S) | 00,05 % máx. | Impurity, typically kept at low levels |
| Antimonio (Sb) | 0.20% máximo | Increases hardness, improves creep resistance |
| Silicio (Si) | 00,005 % máx. | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
Propiedades mecánicas
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| Propiedad | Valor |
|---|---|
| Resistencia a la tracción (mín.) | 35 ksi (241 MPa) |
| Límite elástico (mín.) | 17 ksi (117 MPa) |
| Alargamiento (mín.) | 10% |
| Resistencia a la tracción de | 65 BHN (typical) |
| Densidad | 0.317 lb/in³ at 68°F |
Rendimiento a diferentes temperaturas
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| Rango de temperatura | Características de presentación |
|---|---|
| Baja temperatura (-50°C a 0°C) | Maintains strength and ductility |
| Temperatura ambiente (0°C a 30°C) | Rendimiento óptimo para la mayoría de las aplicaciones |
| Temperatura elevada (30°C a 200°C) | Retains strength, slight decrease in hardness |
| High Temperature (200°C to 400°C) | Gradual decrease in strength, still usable for some applications |
Aplicaciones industriales
C90800 tin bronze finds use in various industries due to its unique properties:
| Industria | Aplicaciones |
|---|---|
| Industrial | Speed reducers, worm gears |
| Marina | Pump impellers, valve bodies |
| Construcción | Movable bridge components, turntables for bridges |
| Automotor | Piston rings, bushings |
| Ingeniería General | High-strength bearings, steam fittings |
Disponibilidad de formas y tamaños
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| Formulario | Rango de tamaño | Common Applications | Notas |
|---|---|---|---|
| Barras sólidas | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| estado de entrega | 25mm – 150mm outer diameter | Bushings, pump bodies, valves | Wall thickness varies, consult manufacturer |
| S45c | 6mm – 100mm thickness, up to 1000mm width | Wear plates, flanges, large bearings | Can be cut to specific sizes |
| Forjas | Up to 2000kg | Large machinery parts, marine components | Posibilidad de formas personalizadas |
| Piezas fundidas | No size limit | Pump casings, valve bodies, gearboxes | Complex shapes possible, consider mold design |
| Cable | 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
Estándares de producción
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | Descripción |
|---|---|
| Federal Safe Drinking Water Act (SDWA) | Ensures material safety for drinking water applications |
| S. 3874 Federal Reduction of Lead in Drinking Water Act | Limits lead content in drinking water systems |
| California AB1953 | State-specific regulation for lead content in plumbing |
| Vermont Act 193 | State-specific regulation for lead in consumer products |
Estándares internacionales y grados correspondientes
While specific international standards for C90800 are not provided in the given information, tin bronzes often have equivalent or similar grades in different countries:
| País/Región | Estándar | Grado equivalente/similar |
|---|---|---|
| Estados Unidos | ASMA | C90800 |
| Europa | EN | CuSn12 |
| Japón | JIS | CAC904 |
| porcelana | GB | ZCuSn12 |
| Reino Unido | BS | PB4 |
Características de soldadura
Welding tin bronze requires specific techniques due to its composition:
| Método de soldadura | Idoneidad | Notas |
|---|---|---|
| Soldadura por arco de tungsteno con gas (GTAW) | Bien | Preferred for thin sections |
| Soldadura por arco metálico con gas (GMAW) | Bien | Adecuado para secciones más gruesas |
| Soldadura por arco metálico protegido (SMAW) | Justo | Requiere una selección adecuada de electrodos. |
| Soldadura de oxiacetileno | Pobre | No recomendado debido al alto aporte de calor. |
Características de procesamiento
C90800 can be processed using various methods:
| Proceso | Idoneidad | Notas |
|---|---|---|
| Mecanizado | Bien | Moderate machinability |
| Formando | Justo | Limited formability due to high tin content |
| Fundición | Excelente | Ampliamente utilizado en aplicaciones de fundición. |
| Forjar | Pobre | Not typically forged due to high tin content |
Pulido
Polishing C90800 can enhance its appearance and surface properties:
| Método de pulido | Eficacia | Notas |
|---|---|---|
| Pulido mecánico | Bien | Consigue un alto brillo |
| Pulido químico | Justo | Can be used for complex shapes |
| electropulido | Bien | Proporciona un acabado suave y brillante. |
Tratamiento térmico
Heat treatment can modify the properties of C90800:
| Tratamiento térmico | Objetivo | Proceso |
|---|---|---|
| Recocido | Alivio del estrés, suavizante. | Heat to 600-650°C, slow cool |
| Temple | Endurecimiento | Rapid cooling from 760-870°C |
| Templado | Stress relief after quenching | Heat to 200-300°C, air cool |
Procesamiento en frío
Cold working can alter the mechanical properties of C90800:
| Método de trabajo en frío | Efecto sobre las propiedades |
|---|---|
| Laminado en frío | Aumenta la resistencia, reduce la ductilidad. |
| Dibujo en frío | Mejora el acabado superficial y la precisión dimensional. |
| Forja en frio | Limited applicability due to high tin content |
Ventajas y desventajas
C90800 tin bronze has several pros and cons:
| Ventajas | Desventajas |
|---|---|
| Alta resistencia | Relatively high cost |
| Excelente resistencia al desgaste | Formabilidad limitada |
| Buena resistencia a la corrosión | Menor conductividad eléctrica que el cobre puro. |
| Bajo coeficiente de fricción | Potential for tin pest at very low temperatures |
| Adecuado para cargas pesadas | No apto para aplicaciones de alta velocidad |
Productos similares y comparación
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| Aleación | Cu% | Sn% | Otros elementos | Diferencias clave |
|---|---|---|---|---|
| C90800 | 85-89 | 11-13 | Pb, Zn, Fe, P, Ni | Aleación base para comparación. |
| 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 | Estaño aún mayor, máxima dureza |
| C90500 | 86-89 | 9-11 | Pb, Zn, Ni | Menor estaño, mayor ductilidad. |
Conclusión
- 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
- Formabilidad limitada
- Menor conductividad eléctrica que el cobre puro.
- 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
