Ürün tanıtımı:
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
| Öğe | Yüzde (%) | Function |
|---|
| Cu | Kalan | Base metal, provides ductility and conductivity |
| sn | 11.00-13.00 | Improves strength, hardness, and wear resistance |
| kurşun | 00,25 maksimum | Enhances machinability |
| Zn | 00,30 maksimum | Improves fluidity in casting |
| Fe | 00,15 maksimum | Grain refiner, increases strength |
| P | 0.15-0.80 | Deoxidizer, improves fluidity |
| İçinde | 00,50 maksimum | Increases strength and corrosion resistance |
| Al | 00,005 maksimum | Deoxidizer |
| S | 00,05 maksimum | Improves machinability |
| Sb | 0.20 max | Increases hardness |
| Ve | 00,005 maksimum | Deoxidizer |
Notlar:
- In determining Cu min., Cu may be calculated as Cu + Ni.
- For continuous castings, P shall be 1.5% max.
- Ni değeri Co'yu içerir.
- Cu + sum of named elements, 99.4% min. Single values represent maximums.
Mechanical Properties of C90810
| Mülk | Değer | Unit |
|---|
| Brinell Hardness (500 Kg load) | 95 typical | BHN |
| İşlenebilirlik Derecelendirmesi | 20 | – |
| Yoğunluk | 00,323 | lb/in³ at 68 °F (20 °C) |
| Gerilme direnci | 40,000 | psi |
| Akma dayanımı | 20,000 | psi |
| Uzama | 20 | % |
| Esneklik Modülü | 15 | x 10^6 psi |
Farklı Sıcaklıklarda Performans
| Sıcaklık Aralığı | Performans Özellikleri | Recommended Use |
|---|
| Düşük Sıcaklık (-50°C ila 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 | Tavsiye edilmez |
Endüstri Uygulamaları
| Endüstri | Uygulamalar | Key Benefits |
|---|
| Endüstriyel Makineler | Bearings, gears, shafts, worm gears | High wear resistance |
| Deniz | Pompa çarkları, valf gövdeleri | Korozyon direnci |
| Yapı | Hareketli köprü bileşenleri, köprüler için döner tablalar | Strength and durability |
| Otomotiv | Piston rings | Düşük sürtünme katsayısı |
| Enerji | Steam fittings | Heat resistance |
| Mining | Heavy-duty bushings | Impact resistance |
| Havacılık | Bushings for landing gear | High load capacity |
| Yağ ve gaz | Valve components | Corrosion resistance in harsh environments |
Şekil ve Boyut Kullanılabilirliği
| Şekil | Boyut aralığı | Standard Length |
|---|
| Katılar | 1″ to 6″ O.D. | 144" |
| Tüpler | 1″ to 6″ O.D. | 144" |
| Dikdörtgenler | Up to 10″ | 144" |
| Tabaklar | Up to 24″ thickness | 96″ x 240″ |
| Rods | 0.25″ to 12″ diameter | 144" |
| Custom Shapes | As per requirement | Varies |
Available Forms
| Biçim | Typical Use | Kullanılabilirlik |
|---|
| Semi-finished | Further processing | Common |
| Mill stock | Direct use | Widely available |
| Near-net shapes | Minimal machining | On request |
| Bar stock | İşleme | Standart |
| Plaka | Large flat components | Common |
| Profile or structural shape | Specific applications | On request |
| Dövmeler | High-strength components | Sınırlı |
| Dökümler | Complex shapes | Common |
Production Standards and Compliance
| Standard/Compliance | Region | Relevance |
|---|
| Federal Safe Drinking Water Act – SDWA | Amerika Birleşik Devletleri | Water safety |
| S. 3874 Federal İçme Suyunda Kurşunun Azaltılması Yasası | Amerika Birleşik Devletleri | Lead content |
| Kaliforniya AB1953 | California, USA | Lead content |
| Vermont Yasası 193 | Vermont, USA | Lead content |
| ASTM B505 | Uluslararası | Continuous Casting of Copper Alloys |
| ASTM B271 | Uluslararası | Copper-Base Alloy Centrifugal Castings |
| ISO 1338 | Uluslararası | Cast copper alloys |
| JIS H5111 | Japonya | Bronze castings |
Standards and Corresponding Grades in Different Countries
| Ülke | Standart | İlgili Sınıf |
|---|
| Amerika Birleşik Devletleri | BİZ | C90810 |
| Almanya | İTİBAREN | CuSn12 |
| Japonya | O | CAC704 |
| United Kingdom | BS | HTB1 |
| Fransa | NF | CuSn12 |
| İtalya | ÜNİ | CuSn12 |
| Rusya | GOST | BrO12 |
| Çin | Büyük Britanya | ZCuSn12 |
| Uluslararası | ISO | CuSn12 |
Kaynak Özellikleri
| Kaynak Yöntemi | Uygunluk | Notlar | Preheat Temp |
|---|
| Gas Welding | İyi | Use phosphor bronze filler rod | 150-200°C |
| TIG Welding | Harika | Use pure argon shielding gas | As needed |
| MIG Welding | İyi | Use bronze filler wire | As needed |
| Stick Welding | Adil | Use bronze electrodes | As needed |
| Direnç Kaynağı | Fakir | Tavsiye edilmez | Yok |
| Electron Beam Welding | İyi | For precision applications | As needed |
| Laser Welding | Adil | Requires careful control | As needed |
İşleme Özellikleri
| İşlem | Uygunluk | Notlar | Key Consideration |
|---|
| İşleme | İyi | Machinability rating of 20 | Tool selection |
| Şekillendirme | Adil | Yüksek kalay içeriği nedeniyle sınırlı şekillendirilebilirlik | Avoid excessive deformation |
| Dövme | Fakir | Tavsiye edilmez | Yok |
| Döküm | Harika | Ideal for sand and centrifugal casting | Proper cooling rate |
| Ekstrüzyon | Fakir | Not typically extruded | Yok |
| Deep Drawing | Fakir | Limited ductility | Tavsiye edilmez |
| Spinning | Adil | Possible with proper techniques | Avoid work hardening |
| Broaching | İyi | Suitable for precision sizing | Tool wear |
Polishing Characteristics
| Parlatma Yöntemi | Result | Recommended Abrasives |
|---|
| Mekanik Parlatma | Good surface finish achievable | Alumina or diamond compounds |
| Kimyasal Parlatma | Moderate results | Proprietary solutions |
| Elektro-parlatma | 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 |
Isı tedavisi
| Isı tedavisi | Sıcaklık Aralığı | Amaç | Cooling Method |
|---|
| Tavlama | 550-650°C | Stress relief and softening | Slow cooling |
| Çözüm Tedavisi | Not applicable | C90810 is not heat treatable | Yok |
| Age Hardening | Not applicable | C90810 is not age hardenable | Yok |
| Stress giderici | 260-370°C | Reduce internal stresses | Hava soğutma |
| Normalleştirme | Not typically performed | Yok | Yok |
| Söndürme | Tavsiye edilmez | May cause distortion | Yok |
Cold Processing Characteristics
| İşlem | Uygunluk | Notlar | Alternative Suggestion |
|---|
| Soğuk çalışma | Sınırlı | High tin content reduces ductility | Consider hot working if necessary |
| Soğuk Çekme | Fakir | Tavsiye edilmez | Use machining instead |
| Soğuk Haddeleme | Fakir | Tavsiye edilmez | Consider cast or machined forms |
| Cold Heading | Uygun değil | Too brittle | Use machining or casting |
| Soğuk dövme | Uygun değil | Lacks necessary ductility | Consider hot forging or casting |
| Shot Peening | Adil | Can improve surface properties | Use with caution |
Advantages and Disadvantages of C90810
| Avantajları | Dezavantajları | Hususlar |
|---|
| Yüksek güç | Sınırlı şekillendirilebilirlik | Design for minimal forming |
| Mükemmel aşınma direnci | Higher cost compared to some bronzes | Consider for critical applications |
| İyi korozyon direnci | Yüksek hızlı uygulamalar için uygun değildir | Use in low to moderate speed settings |
| Düşük sürtünme katsayısı | Limited cold working ability | Design for as-cast or machined forms |
| Ağır yükler için uygundur | Not heat treatable | Select for applications not requiring heat treatment |
| İyi işlenebilirlik | 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 |
Benzer Ürünler
| Alaşım | UNS Number | Main Composition | Temel Farklılıklar |
|---|
| 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
| Mülk | 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 |
| Uzama (%) | 20 | 25 | 15 | 20 | 15 |
| Brinell Sertliği | 95 | 70 | 100 | 65 | 190 |
| Korozyon Direnci | Harika | İyi | Harika | İyi | Harika |
| İşlenebilirlik | İyi | Çok güzel | Adil | Harika | Adil |
| Kaynaklanabilirlik | Adil | İyi | Adil | Fakir | İyi |
| Aşınma direnci | Harika | İyi | Harika | İyi | Harika |
| Maliyet | Yüksek | Ilıman | Çok Yüksek | Ilıman | Yüksek |
| tipik uygulamalar | Heavy-duty bearings | General-purpose | High-load bearings | Burçlar, rulmanlar | Marine components |
Çözüm:
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.
