Product Introduction:
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
| Element | Procent (%) | Funkcjonować |
|---|
| Cu | Reszta | Metal nieszlachetny zapewnia ciągliwość i przewodność |
| Sn | 11.00-13.00 | Improves strength, hardness, and wear resistance |
| Pb | 00,25 maks | Enhances machinability |
| Zn | 00,30 maks | Improves fluidity in casting |
| Fe | 00,15 maks | Rozdrabniacz ziarna, zwiększa wytrzymałość |
| P | 0.15-0.80 | Odtleniacz, poprawia płynność |
| W | 00,50 maks | Increases strength and corrosion resistance |
| Glin | 00,005 maks | Odtleniacz |
| S | 00,05 maks | Poprawia obrabialność |
| Sb | 00,20 maks | Increases hardness |
| I | 00,005 maks | Odtleniacz |
Uwagi:
- In determining Cu min., Cu may be calculated as Cu + Ni.
- For continuous castings, P shall be 1.5% max.
- Wartość Ni obejmuje Co.
- Cu + sum of named elements, 99.4% min. Single values represent maximums.
Mechanical Properties of C90810
| Nieruchomość | Wartość | Jednostka |
|---|
| Brinell Hardness (500 Kg load) | 95 typical | BHN |
| Ocena obrabialności | 20 | – |
| Gęstość | 0.323 | lb/in³ at 68 °F (20 °C) |
| Wytrzymałość na rozciąganie | 40,000 | psi |
| Siła plonowania | 20,000 | psi |
| Wydłużenie | 20 | % |
| Moduł sprężystości | 15 | x 10^6 psi |
Wydajność w różnych temperaturach
| Zakres temperatur | Charakterystyka wydajności | Recommended Use |
|---|
| Niska temperatura (-50°C do 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 | Niepolecane |
Zastosowania branżowe
| Przemysł | Aplikacje | Key Benefits |
|---|
| Maszyny Przemysłowe | Bearings, gears, shafts, worm gears | High wear resistance |
| Morski | Pump impellers, valve bodies | Odporność na korozję |
| Budowa | Movable bridge components, turntables for bridges | Strength and durability |
| Automobilowy | Piston rings | Niski współczynnik tarcia |
| Energia | Steam fittings | Heat resistance |
| Górnictwo | Heavy-duty bushings | Impact resistance |
| Przemysł lotniczy | Bushings for landing gear | High load capacity |
| Ropa i Gaz | Elementy zaworu | Corrosion resistance in harsh environments |
Dostępność kształtu i rozmiaru
| Kształt | Zakres rozmiarów | Standard Length |
|---|
| Solids | 1″ to 6″ O.D. | 144″ |
| Rury | 1″ to 6″ O.D. | 144″ |
| Rectangles | Up to 10″ | 144″ |
| Talerze | Up to 24″ thickness | 96″ x 240″ |
| Rods | 0.25″ to 12″ diameter | 144″ |
| Custom Shapes | As per requirement | Varies |
Available Forms
| Formularz | Typical Use | Dostępność |
|---|
| Semi-finished | Further processing | Common |
| Mill stock | Direct use | Widely available |
| Near-net shapes | Minimal machining | On request |
| Bar stock | Obróbka | Standard |
| Płyta | Large flat components | Common |
| Profile or structural shape | Specific applications | On request |
| Odkuwki | High-strength components | Ograniczony |
| Odlewy | Complex shapes | Common |
Production Standards and Compliance
| Standard/Compliance | Region | Relevance |
|---|
| Federal Safe Drinking Water Act – SDWA | USA | Water safety |
| S. 3874 Federal Reduction of Lead in Drinking Water Act | USA | Lead content |
| California 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 | Japonia | Bronze castings |
Standards and Corresponding Grades in Different Countries
| Kraj | Standard | Odpowiednia klasa |
|---|
| USA | NAS | C90810 |
| Niemcy | OD | CuSn12 |
| Japonia | JIS | CAC704 |
| United Kingdom | BS | HTB1 |
| Francja | NF | CuSn12 |
| Włochy | UNI | CuSn12 |
| Rosja | GOST | BrO12 |
| Chiny | GB | ZCuSn12 |
| International | ISO | CuSn12 |
Charakterystyka spawania
| Metoda spawania | Stosowność | Uwagi | Preheat Temp |
|---|
| Gas Welding | Dobrze | Use phosphor bronze filler rod | 150-200°C |
| TIG Welding | Doskonały | Use pure argon shielding gas | As needed |
| MIG Welding | Dobrze | Use bronze filler wire | As needed |
| Stick Welding | Sprawiedliwy | Use bronze electrodes | As needed |
| Spawanie oporowe | Słaby | Niepolecane | nie dotyczy |
| Electron Beam Welding | Dobrze | For precision applications | As needed |
| Spawanie laserowe | Sprawiedliwy | Requires careful control | As needed |
Charakterystyka przetwarzania
| Proces | Stosowność | Uwagi | Key Consideration |
|---|
| Obróbka | Dobrze | Machinability rating of 20 | Tool selection |
| Formowanie | Sprawiedliwy | Limited formability due to high tin content | Avoid excessive deformation |
| Kucie | Słaby | Niepolecane | nie dotyczy |
| Odlew | Doskonały | Ideal for sand and centrifugal casting | Proper cooling rate |
| Wyrzucenie | Słaby | Not typically extruded | nie dotyczy |
| Deep Drawing | Słaby | Limited ductility | Niepolecane |
| Spinning | Sprawiedliwy | Possible with proper techniques | Avoid work hardening |
| Broaching | Dobrze | Suitable for precision sizing | Tool wear |
Polishing Characteristics
| Metoda polerowania | Result | Recommended Abrasives |
|---|
| Polerowanie mechaniczne | Good surface finish achievable | Alumina or diamond compounds |
| Polerowanie chemiczne | Moderate results | Proprietary solutions |
| Elektropolerowanie | Excellent for high luster finish | Phosphoric acid-based electrolytes |
| Polerowanie | 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 |
Obróbka cieplna
| Obróbka cieplna | Zakres temperatur | Zamiar | Cooling Method |
|---|
| Wyżarzanie | 550-650°C | Stress relief and softening | Slow cooling |
| Leczenie roztworem | Nie dotyczy | C90810 is not heat treatable | nie dotyczy |
| Utwardzanie wiekowe | Nie dotyczy | C90810 is not age hardenable | nie dotyczy |
| Odprężanie | 260-370°C | Reduce internal stresses | Chłodzenie powietrzem |
| Normalizacja | Not typically performed | nie dotyczy | nie dotyczy |
| hartowanie | Niepolecane | May cause distortion | nie dotyczy |
Cold Processing Characteristics
| Proces | Stosowność | Uwagi | Alternative Suggestion |
|---|
| Praca na zimno | Ograniczony | High tin content reduces ductility | Consider hot working if necessary |
| Rysunek na zimno | Słaby | Niepolecane | Use machining instead |
| Walcowanie na zimno | Słaby | Niepolecane | Consider cast or machined forms |
| Cold Heading | Nie nadaje się | Too brittle | Use machining or casting |
| Kucie na zimno | Nie nadaje się | Lacks necessary ductility | Consider hot forging or casting |
| Śrutowanie | Sprawiedliwy | Can improve surface properties | Use with caution |
Advantages and Disadvantages of C90810
| Zalety | Niedogodności | Considerations |
|---|
| Wysoka wytrzymałość | Ograniczona odkształcalność | Design for minimal forming |
| Doskonała odporność na zużycie | Higher cost compared to some bronzes | Consider for critical applications |
| Dobra odporność na korozję | Nie nadaje się do zastosowań wymagających dużych prędkości | Use in low to moderate speed settings |
| Niski współczynnik tarcia | Limited cold working ability | Design for as-cast or machined forms |
| Nadaje się do dużych obciążeń | Not heat treatable | Select for applications not requiring heat treatment |
| Dobra obrabialność | 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 |
Podobne produkty
| Stop | UNS Number | Main Composition | Kluczowe różnice |
|---|
| 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
| Nieruchomość | 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 |
| Wydłużenie (%) | 20 | 25 | 15 | 20 | 15 |
| Twardość Brinella | 95 | 70 | 100 | 65 | 190 |
| Odporność na korozję | Doskonały | Dobrze | Doskonały | Dobrze | Doskonały |
| Obrabialność | Dobrze | Bardzo dobry | Sprawiedliwy | Doskonały | Sprawiedliwy |
| Spawalność | Sprawiedliwy | Dobrze | Sprawiedliwy | Słaby | Dobrze |
| Odporność na zużycie | Doskonały | Dobrze | Doskonały | Dobrze | Doskonały |
| Koszt | Wysoki | Umiarkowany | Bardzo wysoki | Umiarkowany | Wysoki |
| Typowe zastosowania | Heavy-duty bearings | General-purpose | High-load bearings | Bushings, bearings | Marine components |
Conclusion:
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.
