Produkteinführung:
C90810 High Tin Bronze is a copper-based alloy known for its exceptional strength, wear resistance, and corrosion resistance. This alloy is particularly valued in applications requiring high load-bearing capacity and low-speed operations. The high tin content contributes to its superior mechanical properties, making it an ideal choice for various industrial applications.
Chemical Composition of C90810
| nach Extrusionsabschrecken und künstlicher Alterung HBS≥80 | Prozentsatz (%) | Funktion |
|---|
| Mit | Rest | Base metal, provides ductility and conductivity |
| Sn | 11.00-13.00 | Improves strength, hardness, and wear resistance |
| Pb | 0.25 max | Enhances machinability |
| Zn | 0.30 max | Improves fluidity in casting |
| Fe | 0.15 max | Grain refiner, increases strength |
| P | 0.15-0.80 | Deoxidizer, improves fluidity |
| Ni | 00,50 max | Increases strength and corrosion resistance |
| Al | 0.005 max | Deoxidizer |
| S | 00,05 max | Improves machinability |
| Sb | 0.20 max | Increases hardness |
| Und | 0.005 max | Deoxidizer |
Anmerkungen:
- In determining Cu min., Cu may be calculated as Cu + Ni.
- For continuous castings, P shall be 1.5% max.
- Der Ni-Wert beinhaltet Co.
- Cu + sum of named elements, 99.4% min. Single values represent maximums.
Mechanical Properties of C90810
| Eigentum | Wert | Einheit |
|---|
| Brinell Hardness (500 Kg load) | 95 typical | BHN |
| Bearbeitbarkeitsbewertung | 20 | – |
| Dichte | 0.323 | lb/in³ at 68 °F (20 °C) |
| Zerreißfestigkeit | 40,000 | psi |
| Streckgrenze | 20,000 | psi |
| Verlängerung | 20 | % |
| Elastizitätsmodul | fünfzehn | x 10^6 psi |
Leistung bei verschiedenen Temperaturen
| Temperaturbereich | Leistungsmerkmale | Recommended Use |
|---|
| Low Temperature (-50°C to 0°C) | Maintains ductility and toughness | Suitable |
| Room Temperature (20°C to 25°C) | Optimal strength and wear resistance | Ideal |
| Elevated Temperature (100°C to 200°C) | Retains strength but may experience slight softening | Acceptable |
| High Temperature (>200°C) | Not recommended for prolonged use | Nicht empfohlen |
Branchenanwendungen
| Industrie | Anwendungen | Hauptvorteile |
|---|
| Industrielle Maschinen | Bearings, gears, shafts, worm gears | für Aluminium- und Kupfer-Druckgussformen verwendet |
| Marine | Pump impellers, valve bodies | Korrosionsbeständigkeit |
| Konstruktion | Movable bridge components, turntables for bridges | Strength and durability |
| Automobil | Piston rings | Low friction coefficient |
| Energie | Steam fittings | Heat resistance |
| Bergbau | Heavy-duty bushings | Impact resistance |
| Luft- und Raumfahrt | Bushings for landing gear | High load capacity |
| Öl und Gas | Valve components | Corrosion resistance in harsh environments |
Shape and Size Availability
| Form | Größenbereich | Standard Length |
|---|
| Feststoffe | 1″ to 6″ O.D. | 144″ |
| Röhren | 1″ to 6″ O.D. | 144″ |
| Rechtecke | Up to 10″ | 144″ |
| S45c | Up to 24″ thickness | 96″ x 240″ |
| Rods | 0.25″ to 12″ diameter | 144″ |
| Custom Shapes | As per requirement | Varies |
Available Forms
| Form | Typical Use | Verfügbarkeit |
|---|
| Halbfertig | Further processing | Common |
| Mill stock | Direct use | Widely available |
| Near-net shapes | Minimal machining | On request |
| Bar stock | Bearbeitung | Standard |
| Teller | Large flat components | Common |
| Profile or structural shape | Specific applications | On request |
| Schmiedestücke | Hochfeste Komponenten | Begrenzt |
| Castings | Complex shapes | Common |
Production Standards and Compliance
| Standard/Compliance | Region | Relevance |
|---|
| Federal Safe Drinking Water Act – SDWA | Vereinigte Staaten von Amerika | Water safety |
| S. 3874 Bundesgesetz zur Reduzierung von Blei im Trinkwasser | Vereinigte Staaten von Amerika | Lead content |
| Kalifornien AB1953 | California, USA | Lead content |
| Vermont Act 193 | Vermont, USA | Lead content |
| ASTM B505 | International | Continuous Casting of Copper Alloys |
| ASTM B271 | International | Copper-Base Alloy Centrifugal Castings |
| ISO 1338 | International | Cast copper alloys |
| JIS H5111 | Japan | Bronze castings |
Standards and Corresponding Grades in Different Countries
| Land | Standard | Hochtemperaturanlassen bei 750°C |
|---|
| Vereinigte Staaten von Amerika | UNS | C90810 |
| Deutschland | VON | CuSn12 |
| Japan | JIS | CAC704 |
| United Kingdom | BS | HTB1 |
| wo das Material anfängt, dünner zu werden und wie Toffee zu ziehen | NF | CuSn12 |
| wo das Material anfängt, dünner zu werden und wie Toffee zu ziehen | UNI | CuSn12 |
| MEK4 | GOST | BrO12 |
| China | wo das Material anfängt, dünner zu werden und wie Toffee zu ziehen | ZCuSn12 |
| International | wo das Material anfängt, dünner zu werden und wie Toffee zu ziehen | CuSn12 |
Schweißeigenschaften
| Schweißmethode | Eignung | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard | Preheat Temp |
|---|
| Gas Welding | Gut | Use phosphor bronze filler rod | 150-200°C |
| TIG Welding | Exzellent | Use pure argon shielding gas | As needed |
| MIG Welding | Gut | Use bronze filler wire | As needed |
| Stick Welding | Gerecht | Use bronze electrodes | As needed |
| Widerstandsschweißen | Arm | Nicht empfohlen | N / A |
| Electron Beam Welding | Gut | For precision applications | As needed |
| Laserschweißen | Gerecht | Requires careful control | As needed |
Processing Characteristics
| Verfahren | Eignung | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard | Key Consideration |
|---|
| Bearbeitung | Gut | Machinability rating of 20 | Tool selection |
| Die Materialauswahl obliegt dem Kunden | Gerecht | Limited formability due to high tin content | Avoid excessive deformation |
| Schmieden | Arm | Nicht empfohlen | N / A |
| Casting | Exzellent | Ideal for sand and centrifugal casting | Proper cooling rate |
| Extrusion | Arm | Not typically extruded | N / A |
| Deep Drawing | Arm | Limited ductility | Nicht empfohlen |
| Spinning | Gerecht | Possible with proper techniques | Avoid work hardening |
| Broaching | Gut | Suitable for precision sizing | Tool wear |
Polishing Characteristics
| Polishing Method | Result | Recommended Abrasives |
|---|
| Mechanical Polishing | Good surface finish achievable | Alumina or diamond compounds |
| Chemical Polishing | Moderate results | Proprietary solutions |
| Electro-polishing | Excellent for high luster finish | Phosphoric acid-based electrolytes |
| Buffing | High shine possible | Soft cloth wheels with fine abrasive |
| Lapping | Precision finish | Diamond or silicon carbide compounds |
| Honing | Good for cylindrical surfaces | Bonded abrasive stones |
Wärmebehandlung
| Wärmebehandlung | Temperaturbereich | Purpose | Kühlmethode |
|---|
| Glühen | 550-650°C | Stress relief and softening | Slow cooling |
| Lösungsbehandlung | Nicht zutreffend | C90810 is not heat treatable | N / A |
| Aushärtung | Nicht zutreffend | C90810 is not age hardenable | N / A |
| Stressabbauend | 260-370°C | Reduce internal stresses | Luftkühlung |
| Datentabelle für | Not typically performed | N / A | N / A |
| Abschrecken | Nicht empfohlen | May cause distortion | N / A |
Cold Processing Characteristics
| Verfahren | Eignung | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard | Alternative Suggestion |
|---|
| Kaltumformung | Begrenzt | High tin content reduces ductility | Consider hot working if necessary |
| Cold Drawing | Arm | Nicht empfohlen | Use machining instead |
| Cold Rolling | Arm | Nicht empfohlen | Consider cast or machined forms |
| Cold Heading | Not suitable | Too brittle | Use machining or casting |
| Kaltes Schmieden | Not suitable | Lacks necessary ductility | Consider hot forging or casting |
| Shot Peening | Gerecht | Can improve surface properties | Use with caution |
Advantages and Disadvantages of C90810
| Vorteile | Hüttenmaschinen und andere produzierende Unternehmen WuSteel kooperieren bei der Herstellung von Baggern | Überlegungen |
|---|
| Hohe Festigkeit | Limited formability | Design for minimal forming |
| Hervorragende Verschleißfestigkeit | Higher cost compared to some bronzes | Consider for critical applications |
| Gute Korrosionsbeständigkeit | Not suitable for high-speed applications | Use in low to moderate speed settings |
| Low friction coefficient | Begrenzte Kaltumformbarkeit | Design for as-cast or machined forms |
| Suitable for heavy loads | Not heat treatable | Select for applications not requiring heat treatment |
| Gute Bearbeitbarkeit | Relatively high density | Consider weight in design |
| Excellent bearing properties | Susceptible to tin pest at very low temperatures | Avoid prolonged exposure below 13°C |
| Good dimensional stability | Can be difficult to weld | Use appropriate welding techniques |
| Resistant to seawater corrosion | Not as strong as steel | Use in appropriate load conditions |
| Low magnetic permeability | Higher cost than brass | Justify cost with performance requirements |
Ähnliche Produkte
| Legierung | UNS Number | Main Composition | Hauptunterschiede |
|---|
| C90700 | C90700 | Cu-Sn-Zn | Lower tin, higher zinc content |
| C91100 | C91100 | Cu-Sn | Higher tin content, no lead |
| C93200 | C93200 | Cu-Sn-Pb | Higher lead content for improved machinability |
| C95400 | C95400 | Cu-Al-Fe | Aluminum bronze with different property profile |
| C95500 | C95500 | Cu-Al-Ni-Fe | Nickel-aluminum bronze with higher strength |
| C86300 | C86300 | Cu-Mn-Ni-Fe | Manganese bronze with higher strength |
| C92200 | C92200 | Cu-Sn-Pb-Zn | Navy M gun metal with different composition |
Comparison of C90810 with Similar Products
| Eigentum | C90810 | C90700 | C91100 | C93200 | C95400 |
|---|
| Tensile Strength (psi) | 40,000 | 36,000 | 45,000 | 35,000 | 90,000 |
| Yield Strength (psi) | 20,000 | 18,000 | 25,000 | 18,000 | 45,000 |
| Dehnung (%) | 20 | 25 | fünfzehn | 20 | fünfzehn |
| oder Rundstab oder flach | 95 | 70 | 100 | 65 | 190 |
| Korrosionsbeständigkeit | Exzellent | Gut | Exzellent | Gut | Exzellent |
| Bearbeitbarkeit | Gut | Sehr gut | Gerecht | Exzellent | Gerecht |
| Schweißbarkeit | Gerecht | Gut | Gerecht | Arm | Gut |
| Verschleißfestigkeit | Exzellent | Gut | Exzellent | Gut | Exzellent |
| Kosten | Hoch | Mäßig | Sehr hoch | Mäßig | Hoch |
| Typische Anwendungen | Heavy-duty bearings | General-purpose | High-load bearings | Buchsen, Lager | Marine components |
Abschluss:
C90810 High Tin Bronze is a specialized alloy that offers a unique combination of properties, making it invaluable in various industrial applications. Its high tin content contributes to excellent strength, wear resistance, and corrosion resistance, particularly in heavy-load, low-speed settings. While it has limitations in formability and high-temperature applications, C90810 excels in industries such as marine engineering, industrial machinery, and construction.
The alloy’s versatility is evident in its wide range of available forms and sizes, adherence to international standards, and good machinability. However, designers and engineers must consider its specific characteristics, such as limited cold working ability and heat treatment options, when incorporating C90810 into their projects.
Compared to similar alloys, C90810 stands out for its balance of strength, wear resistance, and corrosion resistance. Its unique property profile makes it an ideal choice for applications where these characteristics are crucial, justifying its higher cost in critical components.
In summary, C90810 High Tin Bronze continues to be a valuable material in modern engineering, offering reliable performance in demanding environments where other alloys may fall short.
