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 resistenza e eccellente resistenza all'usura
- 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.
Composizione chimica
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 | Intervallo percentuale | Role in the Alloy |
|---|---|---|
| Rame | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| Stagno (Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| Piombo (Pb) | 0.25% max | Enhances machinability, reduces friction |
| Zinco (Zn) | 0.25% max | Increases strength, improves fluidity |
| Ferro (Fe) | 0.15% max | Refines grain structure, increases strength |
| Fosforo (P) | 0.30% max* | Increases hardness, improves fluidity |
| Nichel (Ni) | 0.50% max | Migliora la resistenza e la resistenza alla corrosione |
| Alluminio (Al) | 0.005% max | Acts as a deoxidizer, improves mechanical properties |
| Zolfo (S) | 0.05% max | Impurity, typically kept at low levels |
| Antimonio (SB) | 0.20% max | Increases hardness, improves creep resistance |
| Silicon (Si) | 0.005% max | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
Proprietà meccaniche
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| Proprietà | Valore |
|---|---|
| Resistenza alla trazione (min) | 35 ksi (241 MPa) |
| Limite di snervamento (min) | 17 ksi (117 MPa) |
| Allungamento (min) | 10% |
| Durezza Brinell | 65 BHN (typical) |
| Densità | 0.317 lb/in³ at 68°F |
Prestazioni a diverse temperature
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| Intervallo di temperatura | Caratteristiche di performance |
|---|---|
| Bassa temperatura (-50 ° C a 0 ° C) | Maintains strength and ductility |
| Temperatura ambiente (da 0 ° C a 30 ° C) | Prestazioni ottimali per la maggior parte delle applicazioni |
| Temperatura elevata (da 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 |
Applicazioni industriali
C90800 tin bronze finds use in various industries due to its unique properties:
| Industria | Applicazioni |
|---|---|
| Industriale | Speed reducers, worm gears |
| Marino | Pump impellers, valve bodies |
| Costruzione | Movable bridge components, turntables for bridges |
| Rendimento della resistenza alla trazione | Piston rings, bushings |
| Ingegneria generale | High-strength bearings, steam fittings |
Disponibilità di forme e dimensioni
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| Modulo | Gamma di dimensioni | Applicazioni comuni | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|---|---|---|
| Solid Bars | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| Tubi | 25mm – 150mm outer diameter | Bushings, pump bodies, valves | Wall thickness varies, consult manufacturer |
| Piatti | 6mm – 100mm thickness, up to 1000mm width | Wear plates, flanges, large bearings | Can be cut to specific sizes |
| forgiati | Up to 2000kg | Large machinery parts, marine components | Forme personalizzate possibili |
| Getti | No size limit | Pump casings, valve bodies, gearboxes | Complex shapes possible, consider mold design |
| Filo | 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
Standard di produzione
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | Descrizione |
|---|---|
| Legge federale sull'acqua potabile sicura (SDWA) | Ensures material safety for drinking water applications |
| S. 3874 Legge federale sulla riduzione del piombo nell'acqua potabile | Limits lead content in drinking water systems |
| CaliforniaAB1953 | State-specific regulation for lead content in plumbing |
| Legge 193 del Vermont | State-specific regulation for lead in consumer products |
Standard internazionali e voti corrispondenti
While specific international standards for C90800 are not provided in the given information, tin bronzes often have equivalent or similar grades in different countries:
| Paese/regione | Standard | Grado equivalente/simile |
|---|---|---|
| Stati Uniti d'America | ASMA | C90800 |
| Europa | SU | CuSn12 |
| Giappone | JIS | CAC904 |
| Cina | GB | ZCuSn12 |
| UK | BS | PB4 |
Caratteristiche di saldatura
Welding tin bronze requires specific techniques due to its composition:
| Metodo di saldatura | adeguatezza | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|---|---|
| Saldatura ad arco di tungsteno a gas (GTAW) | Bene | Preferred for thin sections |
| Saldatura ad arco in metallo a gas (GMAW) | Bene | Adatto per sezioni più spesse |
| Saldatura ad arco in metallo schermato (SMAW) | Equo | Richiede una corretta selezione degli elettrodi |
| Saldatura ossiacetilenica | Povero | Non consigliato a causa dell'ingresso di calore elevato |
Caratteristiche di elaborazione
C90800 can be processed using various methods:
| Processi | adeguatezza | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|---|---|
| lavorazione | Bene | Moderate machinability |
| formando | Equo | Limited formability due to high tin content |
| Colata | Eccellente | Ampiamente utilizzato nelle applicazioni di fusione |
| forgiatura | Povero | Not typically forged due to high tin content |
Lucidatura
Polishing C90800 can enhance its appearance and surface properties:
| Metodo di lucidatura | Efficacia | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|---|---|
| Lucidatura meccanica | Bene | Raggiunge una lucentezza elevata |
| Lucidatura chimica | Equo | Can be used for complex shapes |
| Elettrolucidatura | Bene | Fornisce una finitura liscia e luminosa |
Trattamento termico
Heat treatment can modify the properties of C90800:
| Trattamento termico | Scopo | Processi |
|---|---|---|
| Ricottura | Sollievo da stress, ammorbidimento | Heat to 600-650°C, slow cool |
| tempra | indurimento | Rapid cooling from 760-870°C |
| rinvenimento | Stress relief after quenching | Heat to 200-300°C, air cool |
Lavorazione a freddo
Cold working can alter the mechanical properties of C90800:
| Metodo di lavoro a freddo | Effetto sulle proprietà |
|---|---|
| Laminazione a freddo | Aumenta la forza, riduce la duttilità |
| Trafilatura a freddo | Migliora la finitura superficiale, la precisione dimensionale |
| Forgiatura a freddo | Limited applicability due to high tin content |
Vantaggi e svantaggi
C90800 tin bronze has several pros and cons:
| Vantaggi | Svantaggi |
|---|---|
| Molta forza | Relatively high cost |
| Eccellente resistenza all'usura | Formabilità limitata |
| Buona resistenza alla corrosione | Conduttività elettrica inferiore rispetto al rame puro |
| Coefficiente di attrito basso | Potential for tin pest at very low temperatures |
| Adatto per carichi pesanti | Non è adatto per applicazioni ad alta velocità |
Prodotti simili e confronto
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| Lega | Cu% | SN % | Altri elementi | Differenze chiave |
|---|---|---|---|---|
| C90800 | 85-89 | 11-13 | Pb, Zn, Fe, P, Ni | Lega di base per il confronto |
| 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 | Ancora più alta, massima durezza |
| C90500 | 86-89 | 9-11 | Pb, Zn, Ni | Stagno inferiore, aumento della duttilità |
Conclusione
- 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
- Formabilità limitata
- Conduttività elettrica inferiore rispetto al rame 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
