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
- High strength and excellent wear resistance
- 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.
Thành phần hóa học
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:
| Yếu tố | Phạm vi phần trăm | Role in the Alloy |
|---|---|---|
| Đồng | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| Tín (Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| Lead (Pb) | 0.25% max | Enhances machinability, reduces friction |
| Kẽm (Zn) | 0.25% max | Increases strength, improves fluidity |
| Sắt (Fe) | 0.15% max | Refines grain structure, increases strength |
| Phốt pho (P) | 0.30% max* | Increases hardness, improves fluidity |
| Niken (Ni) | 0.50% max | Enhances strength and corrosion resistance |
| Nhôm (Al) | 0tối đa 0,005% | Acts as a deoxidizer, improves mechanical properties |
| Lưu huỳnh (S) | 0.05% max | Impurity, typically kept at low levels |
| Antimony (Sb) | 0tối đa 0,20% | Increases hardness, improves creep resistance |
| Silic (Si) | 0tối đa 0,005% | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
Tính chất cơ học
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| Tài sản | Giá trị |
|---|---|
| Tensile Strength (min) | 35 ksi (241 MPa) |
| Yield Strength (min) | 17 ksi (117 MPa) |
| Elongation (min) | 10% |
| Brinell độ cứng | 65 BHN (typical) |
| Tỉ trọng | 0.317 lb/in³ at 68°F |
Hiệu suất ở nhiệt độ khác nhau
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| Phạm vi nhiệt độ | Đặc tính hiệu suất |
|---|---|
| Low Temperature (-50°C to 0°C) | Maintains strength and ductility |
| Room Temperature (0°C to 30°C) | Optimal performance for most applications |
| Elevated Temperature (30°C to 200°C) | Retains strength, slight decrease in hardness |
| High Temperature (200°C to 400°C) | Gradual decrease in strength, still usable for some applications |
Ứng dụng công nghiệp
C90800 tin bronze finds use in various industries due to its unique properties:
| Ngành công nghiệp | Các ứng dụng |
|---|---|
| Công nghiệp | Speed reducers, worm gears |
| Hàng hải | Pump impellers, valve bodies |
| Sự thi công | Movable bridge components, turntables for bridges |
| Ô tô | Piston rings, bushings |
| General Engineering | High-strength bearings, steam fittings |
Shape and Size Availability
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| Mẫu đơn | Size Range | Common Applications | Ghi chú |
|---|---|---|---|
| Solid Bars | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| Tubes | 25mm – 150mm outer diameter | Bushings, pump bodies, valves | Wall thickness varies, consult manufacturer |
| Tấm | 6mm – 100mm thickness, up to 1000mm width | Wear plates, flanges, large bearings | Can be cut to specific sizes |
| Sự rèn luyện | Up to 2000kg | Large machinery parts, marine components | Custom shapes possible |
| Castings | No size limit | Pump casings, valve bodies, gearboxes | Complex shapes possible, consider mold design |
| Dây điện | 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
Tiêu chuẩn sản xuất
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | Sự miêu tả |
|---|---|
| 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 |
International Standards and Corresponding Grades
While specific international standards for C90800 are not provided in the given information, tin bronzes often have equivalent or similar grades in different countries:
| Quốc gia/Khu vực | Tiêu chuẩn | Equivalent/Similar Grade |
|---|---|---|
| Hoa Kỳ | ASTHMA | C90800 |
| Châu Âu | TRÊN | CuSn12 |
| Nhật Bản | JIS | CAC904 |
| Trung Quốc | GB | ZCuSn12 |
| Vương quốc Anh | BS | PB4 |
Welding Characteristics
Welding tin bronze requires specific techniques due to its composition:
| Welding Method | Sự phù hợp | Ghi chú |
|---|---|---|
| Gas Tungsten Arc Welding (GTAW) | Tốt | Preferred for thin sections |
| Gas Metal Arc Welding (GMAW) | Tốt | Suitable for thicker sections |
| Shielded Metal Arc Welding (SMAW) | Hội chợ | Requires proper electrode selection |
| Hàn oxyacetylene | Nghèo | Not recommended due to high heat input |
Processing Characteristics
C90800 can be processed using various methods:
| Tiến trình | Sự phù hợp | Ghi chú |
|---|---|---|
| Sử dụng các điện cực cơ bản hợp kim Crom-Niken-Molypden cho | Tốt | Moderate machinability |
| Hình thành | Hội chợ | Limited formability due to high tin content |
| Casting | Xuất sắc | Widely used in casting applications |
| Rèn | Nghèo | Not typically forged due to high tin content |
Đánh bóng
Polishing C90800 can enhance its appearance and surface properties:
| Polishing Method | Effectiveness | Ghi chú |
|---|---|---|
| Mechanical Polishing | Tốt | Achieves high luster |
| Chemical Polishing | Hội chợ | Can be used for complex shapes |
| Electro-polishing | Tốt | Provides smooth, bright finish |
Xử lý nhiệt
Heat treatment can modify the properties of C90800:
| Xử lý nhiệt | Purpose | Tiến trình |
|---|---|---|
| Ủ | Stress relief, softening | Heat to 600-650°C, slow cool |
| Dập tắt | Làm cứng | Rapid cooling from 760-870°C |
| Ủ | Stress relief after quenching | Heat to 200-300°C, air cool |
Chế biến lạnh
Cold working can alter the mechanical properties of C90800:
| Cold Working Method | Effect on Properties |
|---|---|
| Cold Rolling | Increases strength, reduces ductility |
| Cold Drawing | Improves surface finish, dimensional accuracy |
| Rèn nguội | Limited applicability due to high tin content |
Ưu điểm và nhược điểm
C90800 tin bronze has several pros and cons:
| Thuận lợi | Nhược điểm |
|---|---|
| Cường độ cao | Relatively high cost |
| Khả năng chống mài mòn tuyệt vời | Limited formability |
| Good corrosion resistance | Lower electrical conductivity than pure copper |
| Low friction coefficient | Potential for tin pest at very low temperatures |
| Suitable for heavy loads | Not suitable for high-speed applications |
Sản phẩm tương tự và so sánh
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| Hợp kim | Cu % | Sn % | Other Elements | Sự khác biệt chính |
|---|---|---|---|---|
| C90800 | 85-89 | 13-11 | Pb, Zn, Fe, P, Ni | Base alloy for comparison |
| 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 | Even higher tin, maximum hardness |
| C90500 | 86-89 | 9-11 | Pb, Zn, Ni | Lower tin, increased ductility |
Phần kết luận
- 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
- Limited formability
- Lower electrical conductivity than pure copper
- 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
