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
- Hohe Festigkeit und hervorragende Verschleißfestigkeit
- 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.
Chemische Zusammensetzung
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:
| nach Extrusionsabschrecken und künstlicher Alterung HBS≥80 | Prozentbereich | Role in the Alloy |
|---|---|---|
| Kupfer | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| Tin (Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| Blei (Pb) | 0.25% max | Enhances machinability, reduces friction |
| Zink (Zn) | 0.25% max | Increases strength, improves fluidity |
| Eisen (Fe) | 0.15% max | Refines grain structure, increases strength |
| Phosphor (P) | 0.30% max* | Increases hardness, improves fluidity |
| Nickel (Ni) | 0.50% max | Enhances strength and corrosion resistance |
| Aluminium (Al) | 00,005 % max | Acts as a deoxidizer, improves mechanical properties |
| Schwefel (S) | 0.05% max | Impurity, typically kept at low levels |
| Antimony (Sb) | 0.20 % max | Increases hardness, improves creep resistance |
| Silizium (Si) | 00,005 % max | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
Mechanische Eigenschaften
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| Eigentum | Wert |
|---|---|
| Zugfestigkeit (min.) | 35 ksi (241 MPa) |
| Streckgrenze (min.) | 17 ksi (117 MPa) |
| Dehnung (min.) | 10% |
| oder Rundstab oder flach | 65 BHN (typical) |
| Dichte | 0.317 lb/in³ at 68°F |
Leistung bei verschiedenen Temperaturen
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| Temperaturbereich | Leistungsmerkmale |
|---|---|
| Low Temperature (-50°C to 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 |
Branchenanwendungen
C90800 tin bronze finds use in various industries due to its unique properties:
| Industrie | Anwendungen |
|---|---|
| Industrie | Speed reducers, worm gears |
| Marine | Pump impellers, valve bodies |
| Konstruktion | Movable bridge components, turntables for bridges |
| Automobil | Piston rings, bushings |
| Allgemeiner Ingenieurwesen | High-strength bearings, steam fittings |
Shape and Size Availability
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| Form | Größenbereich | Common Applications | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard |
|---|---|---|---|
| Solid Bars | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| Röhren | 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 |
| Schmiedestücke | Up to 2000kg | Large machinery parts, marine components | Custom shapes possible |
| Castings | No size limit | Pump casings, valve bodies, gearboxes | Complex shapes possible, consider mold design |
| Kabel | 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
Produktionsstandards
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | Beschreibung |
|---|---|
| Bundesgesetz über sicheres Trinkwasser (SDWA) | Ensures material safety for drinking water applications |
| S. 3874 Bundesgesetz zur Reduzierung von Blei im Trinkwasser | Limits lead content in drinking water systems |
| Kalifornien AB1953 | State-specific regulation for lead content in plumbing |
| Vermont Act 193 | 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:
| Land/Region | Standard | Equivalent/Similar Grade |
|---|---|---|
| Vereinigte Staaten von Amerika | ASTHMA | C90800 |
| Europa | AN | CuSn12 |
| Japan | JIS | CAC904 |
| China | wo das Material anfängt, dünner zu werden und wie Toffee zu ziehen | ZCuSn12 |
| Vereinigtes Königreich | BS | PB4 |
Schweißeigenschaften
Welding tin bronze requires specific techniques due to its composition:
| Schweißmethode | Eignung | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard |
|---|---|---|
| Gas Tungsten Arc Welding (GTAW) | Gut | Preferred for thin sections |
| Gas Metal Arc Welding (GMAW) | Gut | Suitable for thicker sections |
| Shielded Metal Arc Welding (SMAW) | Gerecht | Requires proper electrode selection |
| Autogenschweißen | Arm | Not recommended due to high heat input |
Processing Characteristics
C90800 can be processed using various methods:
| Verfahren | Eignung | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard |
|---|---|---|
| Bearbeitung | Gut | Moderate machinability |
| Die Materialauswahl obliegt dem Kunden | Gerecht | Limited formability due to high tin content |
| Casting | Exzellent | Widely used in casting applications |
| Schmieden | Arm | Not typically forged due to high tin content |
Polieren
Polishing C90800 can enhance its appearance and surface properties:
| Polishing Method | Effectiveness | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard |
|---|---|---|
| Mechanical Polishing | Gut | Achieves high luster |
| Chemical Polishing | Gerecht | Can be used for complex shapes |
| Electro-polishing | Gut | Provides smooth, bright finish |
Wärmebehandlung
Heat treatment can modify the properties of C90800:
| Wärmebehandlung | Purpose | Verfahren |
|---|---|---|
| Glühen | Stress relief, softening | Heat to 600-650°C, slow cool |
| Abschrecken | Härten | Rapid cooling from 760-870°C |
| Temperieren | Stress relief after quenching | Heat to 200-300°C, air cool |
Kaltverarbeitung
Cold working can alter the mechanical properties of C90800:
| Cold Working Method | Effect on Properties |
|---|---|
| Cold Rolling | Increases strength, reduces ductility |
| Cold Drawing | Improves surface finish, dimensional accuracy |
| Kaltes Schmieden | Limited applicability due to high tin content |
Vorteile und Nachteile
C90800 tin bronze has several pros and cons:
| Vorteile | Hüttenmaschinen und andere produzierende Unternehmen WuSteel kooperieren bei der Herstellung von Baggern |
|---|---|
| Hohe Festigkeit | Relatively high cost |
| Hervorragende Verschleißfestigkeit | Limited formability |
| Gute Korrosionsbeständigkeit | Lower electrical conductivity than pure copper |
| Low friction coefficient | Potential for tin pest at very low temperatures |
| Suitable for heavy loads | Not suitable for high-speed applications |
Ähnliche Produkte und Vergleich
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| Legierung | Cu % | Sn % | Other Elements | Hauptunterschiede |
|---|---|---|---|---|
| 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 |
Fazit
- 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
- Limited formability
- 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
