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
| عنصر | نسبة مئوية (٪) | دور |
|---|
| مع | بقية | Base metal, provides ductility and conductivity |
| Sn | 11.00-13.00 | Improves strength, hardness, and wear resistance |
| الرصاص | 0.25 كحد أقصى | Enhances machinability |
| Zn | 0.30 كحد أقصى | Improves fluidity in casting |
| Fe | 0.15 كحد أقصى | Grain refiner, increases strength |
| ص | 0.15-0.80 | Deoxidizer, improves fluidity |
| ني | 0.50 كحد أقصى | Increases strength and corrosion resistance |
| ال | 0.005 كحد أقصى | Deoxidizer |
| س | 0.05 max | Improves machinability |
| سب | 0.20 كحد أقصى | Increases hardness |
| و | 0.005 كحد أقصى | Deoxidizer |
ملاحظات:
- In determining Cu min., Cu may be calculated as Cu + Ni.
- For continuous castings, P shall be 1.5% max.
- Ni value includes Co.
- Cu + sum of named elements, 99.4% min. Single values represent maximums.
Mechanical Properties of C90810
| ملكية | قيمة | وحدة |
|---|
| Brinell Hardness (500 Kg load) | 95 typical | BHN |
| تقييم الماكينة | 20 | - |
| سمك 12-300 مم × عرض 200-2300 مم | 0.323 | lb/in³ at 68 °F (20 °C) |
| إلى 500 درجة مئوية وتخفيف التوتر | 40,000 | رطل |
| قوة الغلة | 20,000 | رطل |
| استطالة | 20 | ٪ |
| معامل المرونة | 15 | x 10^6 psi |
الأداء في درجات حرارة مختلفة
| Temperature Range | خصائص الأداء | 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 | لا ينصح |
تطبيقات الصناعة
| صناعة | التطبيقات | Key Benefits |
|---|
| Industrial Machinery | Bearings, gears, shafts, worm gears | High wear resistance |
| البحرية | Pump impellers, valve bodies | المقاومة للتآكل |
| بناء | Movable bridge components, turntables for bridges | Strength and durability |
| السيارات | Piston rings | Low friction coefficient |
| طاقة | Steam fittings | Heat resistance |
| Mining | Heavy-duty bushings | Impact resistance |
| الفضاء | Bushings for landing gear | High load capacity |
| النفط والغاز | Valve components | Corrosion resistance in harsh environments |
Shape and Size Availability
| شكل | Size Range | Standard Length |
|---|
| Solids | 1″ to 6″ O.D. | 144″ |
| Tubes | 1″ to 6″ O.D. | 144″ |
| Rectangles | Up to 10″ | 144″ |
| لوحات | Up to 24″ thickness | 96″ x 240″ |
| Rods | 0.25″ to 12″ diameter | 144″ |
| Custom Shapes | As per requirement | Varies |
Available Forms
| استمارة | Typical Use | التوفر |
|---|
| نصف تشطيب | Further processing | Common |
| Mill stock | Direct use | Widely available |
| Near-net shapes | Minimal machining | On request |
| Bar stock | إلى 500 درجة مئوية وتخفيف التوتر | اساسي |
| لوحة | Large flat components | Common |
| Profile or structural shape | Specific applications | On request |
| من | High-strength components | محدود |
| Castings | Complex shapes | Common |
Production Standards and Compliance
| Standard/Compliance | Region | Relevance |
|---|
| Federal Safe Drinking Water Act – SDWA | الولايات المتحدة الأمريكية | Water safety |
| S. 3874 Federal Reduction of Lead in Drinking Water Act | الولايات المتحدة الأمريكية | 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 | D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلب | Bronze castings |
Standards and Corresponding Grades in Different Countries
| دولة | اساسي | الدرجة المقابلة |
|---|
| الولايات المتحدة الأمريكية | أدوات معالجة البلاستيك وقوالب الصب بالضغط | C90810 |
| D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلب | من | CuSn12 |
| D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلب | JIS | CAC704 |
| United Kingdom | D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلب | HTB1 |
| فرنسا | NF | CuSn12 |
| إيطاليا | UNI | CuSn12 |
| روسيا | GOST | BrO12 |
| D3 الصلب للأعمال الباردة لديه مقاومة تآكل عالية جدًا ضد التآكل الكاشطة والمواد اللاصقة بسبب الحجم الكبير للكربيدات الصلبة في مصفوفة الصلب | غيغابايت | ZCuSn12 |
| International | ISO | CuSn12 |
خصائص اللحام
| طريقة اللحام | ملاءمة | ملاحظات | Preheat Temp |
|---|
| Gas Welding | جيد | Use phosphor bronze filler rod | 150-200 درجة مئوية |
| TIG Welding | ممتاز | Use pure argon shielding gas | As needed |
| MIG Welding | جيد | Use bronze filler wire | As needed |
| Stick Welding | عدل | Use bronze electrodes | As needed |
| لحام المقاومة | مسكين | لا ينصح | غير متاح |
| Electron Beam Welding | جيد | For precision applications | As needed |
| اللحام بالليزر | عدل | Requires careful control | As needed |
Processing Characteristics
| معالجة | ملاءمة | ملاحظات | Key Consideration |
|---|
| إلى 500 درجة مئوية وتخفيف التوتر | جيد | Machinability rating of 20 | Tool selection |
| تشكيل | عدل | Limited formability due to high tin content | Avoid excessive deformation |
| الخصائص الفيزيائية والميكانيكية العامة في درجة الحرارة المحيطة | مسكين | لا ينصح | غير متاح |
| Casting | ممتاز | Ideal for sand and centrifugal casting | Proper cooling rate |
| البثق | مسكين | Not typically extruded | غير متاح |
| Deep Drawing | مسكين | Limited ductility | لا ينصح |
| Spinning | عدل | Possible with proper techniques | Avoid work hardening |
| Broaching | جيد | 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 |
الخصائص الميكانيكية
| الخصائص الميكانيكية | Temperature Range | Purpose | طريقة التبريد |
|---|
| التلدين | 550-650°C | Stress relief and softening | Slow cooling |
| علاج الحل | Not applicable | C90810 is not heat treatable | غير متاح |
| تصلب السن | Not applicable | C90810 is not age hardenable | غير متاح |
| تخفيف التوتر | 260-370°C | Reduce internal stresses | تبريد الهواء |
| التطبيع | Not typically performed | غير متاح | غير متاح |
| التبريد | لا ينصح | May cause distortion | غير متاح |
Cold Processing Characteristics
| معالجة | ملاءمة | ملاحظات | Alternative Suggestion |
|---|
| العمل الباردة | محدود | High tin content reduces ductility | Consider hot working if necessary |
| Cold Drawing | مسكين | لا ينصح | Use machining instead |
| Cold Rolling | مسكين | لا ينصح | Consider cast or machined forms |
| Cold Heading | Not suitable | Too brittle | Use machining or casting |
| تزوير الباردة | Not suitable | Lacks necessary ductility | Consider hot forging or casting |
| Shot Peening | عدل | Can improve surface properties | Use with caution |
Advantages and Disadvantages of C90810
| مزايا | سلبيات | Considerations |
|---|
| قوة عالية | Limited formability | Design for minimal forming |
| Excellent wear resistance | Higher cost compared to some bronzes | Consider for critical applications |
| مقاومة جيدة للتآكل | Not suitable for high-speed applications | Use in low to moderate speed settings |
| Low friction coefficient | Limited cold working ability | Design for as-cast or machined forms |
| Suitable for heavy loads | Not heat treatable | Select for applications not requiring heat treatment |
| آلية جيدة | 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 |
Similar Products
| سبيكة | UNS Number | Main Composition | Key Differences |
|---|
| 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
| ملكية | C90810 | C90700 | C91100 | C93200 | C95400 |
|---|
| Tensile Strength (psi) | 40,000 | 36,000 | 45000 | 35,000 | 90,000 |
| Yield Strength (psi) | 20,000 | 18,000 | 25,000 | 18,000 | 45000 |
| استطالة (٪) | 20 | 25 | 15 | 20 | 15 |
| صلابة برينل | 95 | 70 | 100 | 65 | 190 |
| المقاومة للتآكل | ممتاز | جيد | ممتاز | جيد | ممتاز |
| آلية | جيد | جيد جدًا | عدل | ممتاز | عدل |
| قابلية اللحام | عدل | جيد | عدل | مسكين | جيد |
| ارتداء المقاومة | ممتاز | جيد | ممتاز | جيد | ممتاز |
| يكلف | عالي | معتدل | Very High | معتدل | عالي |
| التطبيقات النموذجية | Heavy-duty bearings | General-purpose | High-load bearings | البطانات والمحامل | Marine components |
خاتمة:
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.
