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
| 요소 | 백분율(%) | 기능 |
|---|
| 와 함께 | 나머지 | Base metal, provides ductility and conductivity |
| Sn | 11.00-13.00 | Improves strength, hardness, and wear resistance |
| 납 | 00.25 최대 | Enhances machinability |
| 아연 | 0.30 최대 | Improves fluidity in casting |
| 철 | 0.15 최대 | Grain refiner, increases strength |
| NS | 0.15-0.80 | Deoxidizer, improves fluidity |
| Ni | 0.50 최대 | Increases strength and corrosion resistance |
| 알 | 0.005 최대 | Deoxidizer |
| NS | 0최대 .05 | Improves machinability |
| SB | 0.20 최대 | Increases hardness |
| 그리고 | 0.005 최대 | Deoxidizer |
메모:
- 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
| 재산 | 값 | 구상화 소둔 및 연화 처리 |
|---|
| Brinell Hardness (500 Kg load) | 95 typical | BHN |
| 가공성 등급 | 20 | – |
| 밀도 | 0.323 | lb/in³ at 68 °F (20 °C) |
| 인장 강도 | 40,000 | 사이 |
| 항복 강도 | 20,000 | 사이 |
| 연장 | 20 | % |
| 탄성계수 | 15 | x 10^6 psi |
다양한 온도에서의 성능
| Temperature Range | 성능 특성 | 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 | 권장하지 않음 |
산업 응용
| 산업 | 애플리케이션 | Key Benefits |
|---|
| 산업기계 | Bearings, gears, shafts, worm gears | 그리고 좋은 광택성 |
| 선박 | Pump impellers, valve bodies | 내식성 |
| 건설 | Movable bridge components, turntables for bridges | Strength and durability |
| 자동차 | Piston rings | Low friction coefficient |
| 에너지 | Steam fittings | Heat resistance |
| Mining | Heavy-duty bushings | Impact resistance |
| 항공우주 | Bushings for landing gear | High load capacity |
| 석유 및 가스 | Valve components | Corrosion resistance in harsh environments |
모양 및 크기 가용성
| 모양 | Size Range | Standard Length |
|---|
| Solids | 1″ to 6″ O.D. | 144″ |
| Tubes | 1″ to 6″ O.D. | 144″ |
| Rectangles | Up to 10″ | 144″ |
| 접시 | Up to 24″ thickness | 96″ x 240″ |
| Rods | 0.25″ to 12″ diameter | 144″ |
| Custom Shapes | As per requirement | Varies |
Available Forms
| 형태 | Typical Use | 유효성 |
|---|
| 반제품 | Further processing | Common |
| Mill stock | Direct use | Widely available |
| Near-net shapes | Minimal machining | On request |
| Bar stock | 가공 | 기준 |
| 그릇 | Large flat components | Common |
| Profile or structural shape | Specific applications | On request |
| 단조품 | High-strength components | 제한된 |
| Castings | Complex shapes | Common |
Production Standards and Compliance
| Standard/Compliance | Region | Relevance |
|---|
| Federal Safe Drinking Water Act – SDWA | 미국 | Water safety |
| S. 3874 Federal Reduction of Lead in Drinking Water Act | 미국 | 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 | 일본 | Bronze castings |
Standards and Corresponding Grades in Different Countries
| 국가 | 기준 | 해당 등급 |
|---|
| 미국 | 표준 및 화학 성분 | C90810 |
| 독일 | 에서 | CuSn12 |
| 일본 | JIS | CAC704 |
| United Kingdom | 학사 | HTB1 |
| 프랑스 | NF | CuSn12 |
| 이탈리아 | 유니 | CuSn12 |
| 러시아 | 고스트 | BrO12 |
| 중국 | GB | ZCuSn12 |
| International | ISO | CuSn12 |
용접특성
| 용접방법 | 적당 | 노트 | Preheat Temp |
|---|
| Gas Welding | 좋은 | Use phosphor bronze filler rod | 150-200°C |
| TIG Welding | 훌륭한 | Use pure argon shielding gas | As needed |
| MIG Welding | 좋은 | Use bronze filler wire | As needed |
| Stick Welding | 공정한 | Use bronze electrodes | As needed |
| 저항 용접 | 가난한 | 권장되지 않음 | 해당 없음 |
| Electron Beam Welding | 좋은 | For precision applications | As needed |
| 레이저 용접 | 공정한 | Requires careful control | As needed |
Processing Characteristics
| 프로세스 | 적당 | 노트 | Key Consideration |
|---|
| 가공 | 좋은 | Machinability rating of 20 | Tool selection |
| 형성 | 공정한 | Limited formability due to high tin content | Avoid excessive deformation |
| 단조 | 가난한 | 권장되지 않음 | 해당 없음 |
| Casting | 훌륭한 | Ideal for sand and centrifugal casting | Proper cooling rate |
| 압출 | 가난한 | Not typically extruded | 해당 없음 |
| Deep Drawing | 가난한 | Limited ductility | 권장되지 않음 |
| Spinning | 공정한 | Possible with proper techniques | Avoid work hardening |
| Broaching | 좋은 | 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 |
열처리
| 열처리 | Temperature Range | Purpose | Cooling Method |
|---|
| 가열 냉각 | 550-650°C | Stress relief and softening | Slow cooling |
| 용액 처리 | Not applicable | C90810 is not heat treatable | 해당 없음 |
| Age Hardening | Not applicable | C90810 is not age hardenable | 해당 없음 |
| 스트레스 풀기 | 260-370°C | Reduce internal stresses | 공기 냉각 |
| 정규화 | Not typically performed | 해당 없음 | 해당 없음 |
| 담금질 | 권장되지 않음 | May cause distortion | 해당 없음 |
Cold Processing Characteristics
| 프로세스 | 적당 | 노트 | Alternative Suggestion |
|---|
| 냉간 가공 | 제한된 | High tin content reduces ductility | Consider hot working if necessary |
| Cold Drawing | 가난한 | 권장되지 않음 | Use machining instead |
| Cold Rolling | 가난한 | 권장되지 않음 | Consider cast or machined forms |
| Cold Heading | 적합하지 않음 | Too brittle | Use machining or casting |
| 냉간 단조 | 적합하지 않음 | Lacks necessary ductility | Consider hot forging or casting |
| Shot Peening | 공정한 | Can improve surface properties | Use with caution |
Advantages and Disadvantages of C90810
| 장점 | 단점 | 고려사항 |
|---|
| 고강도 | Limited formability | Design for minimal forming |
| 우수한 내마모성 | Higher cost compared to some bronzes | Consider for critical applications |
| 좋은 내식성 | 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 |
| 우수한 가공성 | Relatively high density | Consider weight in design |
| Excellent bearing properties | Susceptible to tin pest at very low temperatures | Avoid prolonged exposure below 13°C |
| 우수한 치수 안정성 | 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 |
유사한 제품
| 합금 | UNS Number | Main Composition | 주요 차이점 |
|---|
| 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
| 재산 | 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 |
| 신장률(%) | 20 | 25 | 15 | 20 | 15 |
| 브리넬 경도 | 95 | 70 | 100 | 65 | 190 |
| 내식성 | 훌륭한 | 좋은 | 훌륭한 | 좋은 | 훌륭한 |
| 가공성 | 좋은 | 매우 좋은 | 공정한 | 훌륭한 | 공정한 |
| 용접성 | 공정한 | 좋은 | 공정한 | 가난한 | 좋은 |
| 내마모성 | 훌륭한 | 좋은 | 훌륭한 | 좋은 | 훌륭한 |
| 비용 | 높은 | 보통의 | 매우 높음 | 보통의 | 높은 |
| 일반적인 응용 분야 | Heavy-duty bearings | General-purpose | High-load bearings | 부싱, 베어링 | Marine components |
결론:
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.
