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
- Wysoka wytrzymałość i doskonała odporność na zużycie
- 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.
Skład chemiczny
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:
| Element | Zakres procentowy | Role in the Alloy |
|---|---|---|
| Miedź | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| Cyna (Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| Ołów (Pb) | 0.25% max | Enhances machinability, reduces friction |
| Cynk (Zn) | 0.25% max | Increases strength, improves fluidity |
| żelazo (Fe) | 0.15% max | Refines grain structure, increases strength |
| Fosfor (P) | 0.30% max* | Increases hardness, improves fluidity |
| Nikiel (Ni) | 0.50% max | Enhances strength and corrosion resistance |
| Aluminium (Al) | 00,005% maks | Acts as a deoxidizer, improves mechanical properties |
| Siarka (S) | 00,05% maks | Impurity, typically kept at low levels |
| Antymon (Sb) | 00,20% maks | Increases hardness, improves creep resistance |
| Krzem (Si) | 00,005% maks | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
Właściwości mechaniczne
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| Nieruchomość | Wartość |
|---|---|
| Wytrzymałość na rozciąganie (min) | 35 ksi (241 MPa) |
| Granica plastyczności (min) | 17 ksi (117 MPa) |
| Wydłużenie (min) | 10% |
| Twardość Brinella | 65 BHN (typical) |
| Gęstość | 0.317 lb/in³ at 68°F |
Wydajność w różnych temperaturach
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| Zakres temperatur | Charakterystyka wydajności |
|---|---|
| Niska temperatura (-50°C do 0°C) | Maintains strength and ductility |
| Temperatura pokojowa (0°C do 30°C) | Optymalna wydajność dla większości zastosowań |
| Podwyższona temperatura (30°C do 200°C) | Retains strength, slight decrease in hardness |
| High Temperature (200°C to 400°C) | Gradual decrease in strength, still usable for some applications |
Zastosowania branżowe
C90800 tin bronze finds use in various industries due to its unique properties:
| Przemysł | Aplikacje |
|---|---|
| Przemysłowy | Speed reducers, worm gears |
| Morski | Pump impellers, valve bodies |
| Budowa | Movable bridge components, turntables for bridges |
| Automobilowy | Piston rings, bushings |
| Inżynieria ogólna | High-strength bearings, steam fittings |
Dostępność kształtu i rozmiaru
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| Formularz | Zakres rozmiarów | Common Applications | Uwagi |
|---|---|---|---|
| Solid Bars | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| Rury | 25mm – 150mm outer diameter | Bushings, pump bodies, valves | Wall thickness varies, consult manufacturer |
| Talerze | 6mm – 100mm thickness, up to 1000mm width | Wear plates, flanges, large bearings | Can be cut to specific sizes |
| Odkuwki | Up to 2000kg | Large machinery parts, marine components | Możliwe niestandardowe kształty |
| Odlewy | No size limit | Pump casings, valve bodies, gearboxes | Complex shapes possible, consider mold design |
| Drut | 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
Standardy produkcyjne
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | Opis |
|---|---|
| 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 |
Międzynarodowe standardy i odpowiadające im stopnie
While specific international standards for C90800 are not provided in the given information, tin bronzes often have equivalent or similar grades in different countries:
| Kraj/region | Standard | Równoważna/podobna klasa |
|---|---|---|
| USA | ASTM | C90800 |
| Europa | W | CuSn12 |
| Japonia | JIS | CAC904 |
| Chiny | GB | ZCuSn12 |
| Wielka Brytania | BS | PB4 |
Charakterystyka spawania
Welding tin bronze requires specific techniques due to its composition:
| Metoda spawania | Stosowność | Uwagi |
|---|---|---|
| Spawanie łukiem wolframowym w gazie (GTAW) | Dobrze | Preferred for thin sections |
| Spawanie łukiem gazowym (GMAW) | Dobrze | Nadaje się do grubszych sekcji |
| Spawanie łukiem metalowym w osłonie (SMAW) | Sprawiedliwy | Wymaga odpowiedniego doboru elektrody |
| Spawanie tlenowo-acetylenowe | Słaby | Niezalecane ze względu na duży dopływ ciepła |
Charakterystyka przetwarzania
C90800 can be processed using various methods:
| Proces | Stosowność | Uwagi |
|---|---|---|
| Obróbka | Dobrze | Moderate machinability |
| Formowanie | Sprawiedliwy | Limited formability due to high tin content |
| Odlew | Doskonały | Szeroko stosowany w zastosowaniach odlewniczych |
| Kucie | Słaby | Not typically forged due to high tin content |
Polerowanie
Polishing C90800 can enhance its appearance and surface properties:
| Metoda polerowania | Skuteczność | Uwagi |
|---|---|---|
| Polerowanie mechaniczne | Dobrze | Osiąga wysoki połysk |
| Polerowanie chemiczne | Sprawiedliwy | Can be used for complex shapes |
| Elektropolerowanie | Dobrze | Zapewnia gładkie, jasne wykończenie |
Obróbka cieplna
Heat treatment can modify the properties of C90800:
| Obróbka cieplna | Zamiar | Proces |
|---|---|---|
| Wyżarzanie | Redukcja stresu, zmiękczanie | Heat to 600-650°C, slow cool |
| hartowanie | Hartowanie | Rapid cooling from 760-870°C |
| Ruszenie | Stress relief after quenching | Heat to 200-300°C, air cool |
Obróbka na zimno
Cold working can alter the mechanical properties of C90800:
| Metoda pracy na zimno | Wpływ na właściwości |
|---|---|
| Walcowanie na zimno | Zwiększa wytrzymałość, zmniejsza plastyczność |
| Rysunek na zimno | Poprawia wykończenie powierzchni, dokładność wymiarową |
| Kucie na zimno | Limited applicability due to high tin content |
Zalety i wady
C90800 tin bronze has several pros and cons:
| Zalety | Niedogodności |
|---|---|
| Wysoka wytrzymałość | Relatively high cost |
| Doskonała odporność na zużycie | Ograniczona odkształcalność |
| Dobra odporność na korozję | Niższa przewodność elektryczna niż czysta miedź |
| Niski współczynnik tarcia | Potential for tin pest at very low temperatures |
| Nadaje się do dużych obciążeń | Nie nadaje się do zastosowań wymagających dużych prędkości |
Podobne produkty i porównanie
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| Stop | Cu% | Sn% | Inne elementy | Kluczowe różnice |
|---|---|---|---|---|
| C90800 | 85-89 | 11-13 | Pb, Zn, Fe, P, Ni | Stop bazowy dla porównania |
| 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 | Jeszcze wyższa cyna, maksymalna twardość |
| C90500 | 86-89 | 9-11 | Pb, Zn, Ni | Niższa cyna, zwiększona ciągliwość |
Wniosek
- 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
- Ograniczona odkształcalność
- Niższa przewodność elektryczna niż czysta miedź
- 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
