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.
化学組成
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:
| 要素 | Percentage Range | 合金における役割 |
|---|---|---|
| 銅 | 85.00 – 89.00% | Primary matrix, provides good thermal and electrical conductivity |
| 錫(Sn) | 11.00 – 13.00% | Increases strength and wear resistance, improves corrosion resistance |
| 鉛(Pb) | 0.25% max | Enhances machinability, reduces friction |
| 亜鉛(Zn) | 0.25% max | Increases strength, improves fluidity |
| 鉄(Fe) | 0.15% max | Refines grain structure, increases strength |
| リン(P) | 0.30% max* | Increases hardness, improves fluidity |
| ニッケル(Ni) | 0.50% max | Enhances strength and corrosion resistance |
| アルミニウム(Al) | 0最大.005% | Acts as a deoxidizer, improves mechanical properties |
| 硫黄(S) | 0.05% max | Impurity, typically kept at low levels |
| Antimony (Sb) | 0最大.20% | Increases hardness, improves creep resistance |
| シリコン（Si） | 0最大.005% | Increases strength, improves fluidity |
*Note: For continuous castings, P shall be 1.5% max.
機械的性質
The mechanical properties of C90800 tin bronze contribute to its suitability for various industrial applications:
| 財産 | 価値 |
|---|---|
| 引張強さ(分) | 35 ksi (241 MPa) |
| 降伏強さ (分) | 17 ksi (117 MPa) |
| 伸び(分) | 10% |
| ブリネル硬度 | 65 BHN (typical) |
| 密度 | 0.317 lb/in³ at 68°F |
さまざまな温度でのパフォーマンス
While specific temperature-related data for C90800 is not provided, tin bronzes generally exhibit good performance across a range of temperatures:
| 温度範囲 | 性能特性 |
|---|---|
| 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 |
産業用途
C90800 tin bronze finds use in various industries due to its unique properties:
| 業界 | アプリケーション |
|---|---|
| 産業用 | Speed reducers, worm gears |
| マリン | Pump impellers, valve bodies |
| 工事 | Movable bridge components, turntables for bridges |
| 自動車 | Piston rings, bushings |
| 一般エンジニアリング | High-strength bearings, steam fittings |
形状とサイズの入手可能性
C90800 tin bronze is available in various shapes and sizes to suit different manufacturing needs:
| 形状 | サイズ範囲 | 一般的なアプリケーション | 注意事項 |
|---|---|---|---|
| ソリッドバー | 25mm – 150mm diameter | Bearings, gears, propeller shafts | Custom lengths available, standard length 3660mm |
| チューブ | 25mm – 150mm outer diameter | Bushings, pump bodies, valves | Wall thickness varies, consult manufacturer |
| プレート | 6mm – 100mm thickness, up to 1000mm width | Wear plates, flanges, large bearings | Can be cut to specific sizes |
| 鍛造品 | 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 |
| ワイヤー | 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
製造基準
C90800 tin bronze complies with several important standards and regulations:
| Standard/Regulation | 説明 |
|---|---|
| 連邦安全飲料水法 (SDWA) | Ensures material safety for drinking water applications |
| S. 3874 飲料水における鉛の連邦削減法 | Limits lead content in drinking water systems |
| カリフォルニア AB1953 | State-specific regulation for lead content in plumbing |
| バーモント州法 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:
| 国/地域 | 標準 | Equivalent/Similar Grade |
|---|---|---|
| アメリカ合衆国 | ASTM | C90800 |
| ヨーロッパ | で | CuSn12 |
| 日本 | 彼 | CAC904 |
| 中国 | GB | ZCuSn12 |
| イギリス | BS | PB4 |
溶接特性
Welding tin bronze requires specific techniques due to its composition:
| 溶接方法 | 適合性 | 注意事項 |
|---|---|---|
| Gas Tungsten Arc Welding (GTAW) | 良い | Preferred for thin sections |
| Gas Metal Arc Welding (GMAW) | 良い | Suitable for thicker sections |
| 被覆アーク溶接(SMAW) | 公平 | Requires proper electrode selection |
| 酸素アセチレン溶接 | 貧しい | Not recommended due to high heat input |
Processing Characteristics
C90800 can be processed using various methods:
| プロセス | 適合性 | 注意事項 |
|---|---|---|
| 機械加工 | 良い | Moderate machinability |
| 形にする | 公平 | Limited formability due to high tin content |
| 鋳造 | 素晴らしい | Widely used in casting applications |
| 鍛造 | 貧しい | Not typically forged due to high tin content |
研磨
Polishing C90800 can enhance its appearance and surface properties:
| 研磨方法 | Effectiveness | 注意事項 |
|---|---|---|
| 機械研磨 | 良い | Achieves high luster |
| Chemical Polishing | 公平 | Can be used for complex shapes |
| 電解研磨 | 良い | Provides smooth, bright finish |
熱処理
Heat treatment can modify the properties of C90800:
| 熱処理 | 目的 | プロセス |
|---|---|---|
| アニーリング | Stress relief, softening | Heat to 600-650°C, slow cool |
| 焼入れ | 硬化 | Rapid cooling from 760-870°C |
| テンパリング | Stress relief after quenching | Heat to 200-300°C, air cool |
冷間加工
Cold working can alter the mechanical properties of C90800:
| Cold Working Method | Effect on Properties |
|---|---|
| 冷間圧延 | Increases strength, reduces ductility |
| 冷間引抜 | Improves surface finish, dimensional accuracy |
| 冷間鍛造 | Limited applicability due to high tin content |
長所と短所
C90800 tin bronze has several pros and cons:
| 利点 | 短所 |
|---|---|
| 高強度 | Relatively high cost |
| Excellent wear resistance | 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 |
類似製品と比較
C90800 is part of a family of tin bronzes. Here’s a comparison with similar alloys:
| 合金 | 銅% | Sn % | Other Elements | 主な違い |
|---|---|---|---|---|
| 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 |
結論
- 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
