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.
화학적 구성 요소
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:
| 요소 | Percentage Range | Role in the Alloy |
|---|---|---|
| 구리 | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| 주석(Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| 납(Pb) | 0.25% max | Enhances machinability, reduces friction |
| 아연(Zn) | 0.25% max | Increases strength, improves fluidity |
| 철(Fe) | 0.15% max | Refines grain structure, increases strength |
| 인(P) | 0.30% max* | Increases hardness, improves fluidity |
| 니켈(Ni) | 0.50% max | Enhances strength and corrosion resistance |
| 알루미늄(Al) | 0최대 .005% | Acts as a deoxidizer, improves mechanical properties |
| 유황(S) | 0.05% max | Impurity, typically kept at low levels |
| Antimony (Sb) | 0최대 0.20% | Increases hardness, improves creep resistance |
| 실리콘(Si) | 0최대 .005% | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
기계적 성질
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| 재산 | 값 |
|---|---|
| 인장 강도(최소) | 35 ksi (241 MPa) |
| 항복 강도(최소) | 17 ksi (117 MPa) |
| 신장(분) | 10% |
| 브리넬 경도 | 65 BHN (typical) |
| 밀도 | 0.317 lb/in³ at 68°F |
다양한 온도에서의 성능
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| Temperature Range | 성능 특성 |
|---|---|
| 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 |
산업 응용
C90800 tin bronze finds use in various industries due to its unique properties:
| 산업 | 애플리케이션 |
|---|---|
| 산업 | Speed reducers, worm gears |
| 선박 | Pump impellers, valve bodies |
| 건설 | Movable bridge components, turntables for bridges |
| 자동차 | Piston rings, bushings |
| General Engineering | High-strength bearings, steam fittings |
모양 및 크기 가용성
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| 형태 | 크기 범위 | Common Applications | 노트 |
|---|---|---|---|
| Solid Bars | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| 튜브 | 25mm – 150mm outer diameter | Bushings, pump bodies, valves | Wall thickness varies, consult manufacturer |
| 접시 | 6mm – 100mm thickness, up to 1000mm width | Wear plates, flanges, large bearings | Can be cut to specific sizes |
| 단조품 | 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 |
| 철사 | 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
생산 표준
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | 설명 |
|---|---|
| 연방 안전 식수법(SDWA) | Ensures material safety for drinking water applications |
| S. 3874 연방 식수 내 납 감소법 | Limits lead content in drinking water systems |
| 캘리포니아 AB1953 | State-specific regulation for lead content in plumbing |
| 버몬트법 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:
| 국가/지역 | 기준 | Equivalent/Similar Grade |
|---|---|---|
| 미국 | 천식 | C90800 |
| X40CrMoV5-1 열간 가공 공구강은 다양한 응용 분야와 전 세계적으로 사용됩니다. | 에 | CuSn12 |
| 일본 | JIS | CAC904 |
| 중국 | GB | ZCuSn12 |
| 영국 | 학사 | PB4 |
용접특성
Welding tin bronze requires specific techniques due to its composition:
| 용접방법 | 적당 | 노트 |
|---|---|---|
| Gas Tungsten Arc Welding (GTAW) | 좋은 | Preferred for thin sections |
| Gas Metal Arc Welding (GMAW) | 좋은 | Suitable for thicker sections |
| Shielded Metal Arc Welding (SMAW) | 공정한 | Requires proper electrode selection |
| 옥시아세틸렌 용접 | 가난한 | Not recommended due to high heat input |
Processing Characteristics
C90800 can be processed using various methods:
| 프로세스 | 적당 | 노트 |
|---|---|---|
| 가공 | 좋은 | Moderate machinability |
| 형성 | 공정한 | Limited formability due to high tin content |
| Casting | 훌륭한 | Widely used in casting applications |
| 단조 | 가난한 | Not typically forged due to high tin content |
세련
Polishing C90800 can enhance its appearance and surface properties:
| Polishing Method | Effectiveness | 노트 |
|---|---|---|
| Mechanical Polishing | 좋은 | Achieves high luster |
| Chemical Polishing | 공정한 | Can be used for complex shapes |
| Electro-polishing | 좋은 | Provides smooth, bright finish |
열처리
Heat treatment can modify the properties of C90800:
| 열처리 | 목적 | 프로세스 |
|---|---|---|
| 가열 냉각 | Stress relief, softening | Heat to 600-650°C, slow cool |
| 담금질 | 경화 | Rapid cooling from 760-870°C |
| 템퍼링 | Stress relief after quenching | Heat to 200-300°C, air cool |
냉간 가공
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 |
| 냉간 단조 | Limited applicability due to high tin content |
장점과 단점
C90800 tin bronze has several pros and cons:
| 장점 | 단점 |
|---|---|
| 고강도 | Relatively high cost |
| 우수한 내마모성 | Limited formability |
| 좋은 내식성 | 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 |
유사 제품 및 비교
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| 합금 | Cu% | Sn % | 기타 요소 | 주요 차이점 |
|---|---|---|---|---|
| C90800 | 85-89 | 11-13 | 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 |
결론
- 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
