產品介紹：
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
| 元素 | 百分比 （％） | 功能 |
|---|
| 和 | 餘 | 賤金屬，提供延展性和導電性 |
| 錫 | 11.00-13.00 | Improves strength, hardness, and wear resistance |
| 鉛 | 0最大.25 | Enhances machinability |
| 鋅 | 0.30 最大 | Improves fluidity in casting |
| 鐵 | 0.15 最大 | 晶粒細化劑，增加強度 |
| 磷 | 0.15-0.80 | 脫氧劑，改善流動性 |
| 你 | 0.50 最大 | Increases strength and corrosion resistance |
| 鋁 | 0.005 最大 | 脫氧劑 |
| 小號 | 0.05 最大 | 提高機械加工性能 |
| 銻 | 0最大.20 | Increases hardness |
| 和 | 0.005 最大 | 脫氧劑 |
筆記：
- In determining Cu min., Cu may be calculated as Cu + Ni.
- For continuous castings, P shall be 1.5% max.
- Ni值包括Co。
- Cu + sum of named elements, 99.4% min. Single values represent maximums.
Mechanical Properties of C90810
| 財產 | 價值 | 單元 |
|---|
| Brinell Hardness (500 Kg load) | 95 typical | BHN |
| 機械加工性等級 | 20 | – |
| 密度 | 0.323 | lb/in³ at 68 °F (20 °C) |
| 抗拉強度 | 40,000 | 磅/平方英寸 |
| 屈服強度 | 20,000 | 磅/平方英寸 |
| 伸長 | 20 | % |
| 彈性模量 | 15 | x 10^6 psi |
不同溫度下的性能
| 溫度範圍 | 性能特點 | Recommended Use |
|---|
| 低溫（-50°C 至 0°C） | Maintains ductility and toughness | Suitable |
| 室溫（20°C 至 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 | 不建議 |
產業應用
| 產業 | 應用 | 主要優點 |
|---|
| 工業機械 | Bearings, gears, shafts, worm gears | High wear resistance |
| 海洋 | 泵浦葉輪、閥體 | 耐腐蝕性能 |
| 建造 | 可移動橋樑部件、橋樑轉盤 | Strength and durability |
| 汽車 | Piston rings | 低摩擦係數 |
| 活力 | Steam fittings | 耐熱性 |
| 礦業 | Heavy-duty bushings | Impact resistance |
| 航天 | Bushings for landing gear | High load capacity |
| 油和氣 | 閥門組件 | Corrosion resistance in harsh environments |
形狀和尺寸可供選擇
| 形狀 | 尺寸範圍 | 標準長度 |
|---|
| 固體 | 1″ to 6″ O.D. | 144英寸 |
| 管 | 1″ to 6″ O.D. | 144英寸 |
| 長方形 | Up to 10″ | 144英寸 |
| 盤子 | Up to 24″ thickness | 96″ x 240″ |
| Rods | 0.25″ to 12″ diameter | 144英寸 |
| Custom Shapes | As per requirement | Varies |
Available Forms
| 形式 | Typical Use | 可用性 |
|---|
| Semi-finished | Further processing | Common |
| Mill stock | Direct use | Widely available |
| Near-net shapes | Minimal machining | On request |
| Bar stock | 加工 | 標準 |
| 盤子 | Large flat components | Common |
| Profile or structural shape | Specific applications | On request |
| 鍛件 | 高強度部件 | 有限的 |
| 鑄件 | Complex shapes | Common |
Production Standards and Compliance
| Standard/Compliance | 地區 | Relevance |
|---|
| Federal Safe Drinking Water Act – SDWA | 美國 | Water safety |
| S. 3874 聯邦飲用水含鉛量減少法 | 美國 | Lead content |
| 加州AB1953 | California, USA | Lead content |
| 佛蒙特州法案 193 | Vermont, USA | Lead content |
| ASTM B505 | 國際的 | Continuous Casting of Copper Alloys |
| ASTM B271 | 國際的 | Copper-Base Alloy Centrifugal Castings |
| ISO 1338 | 國際的 | Cast copper alloys |
| JIS H5111 | 日本 | Bronze castings |
各國標準及相應等級
| 國家 | 標準 | 對應等級 |
|---|
| 美國 | 我們 | C90810 |
| 德國 | 從 | 銅錫12 |
| 日本 | 日標 | CAC704 |
| 英國 | 學士學位 | HTB1 |
| 法國 | NF | 銅錫12 |
| 意大利 | 統一 | 銅錫12 |
| 俄羅斯 | 國家標準 | BrO12 |
| 中國 | 國標 | Z銅錫12 |
| 國際的 | 國際標準化組織 | 銅錫12 |
焊接特性
| 焊接方法 | 適應性 | 筆記 | Preheat Temp |
|---|
| Gas Welding | 好的 | Use phosphor bronze filler rod | 150-200°C |
| TIG Welding | 優秀的 | Use pure argon shielding gas | 根據需要 |
| MIG Welding | 好的 | Use bronze filler wire | 根據需要 |
| Stick Welding | 公平的 | Use bronze electrodes | 根據需要 |
| 電阻焊 | 貧窮的 | 不建議 | 不適用 |
| 電子束焊接 | 好的 | For precision applications | 根據需要 |
| 激光焊接 | 公平的 | Requires careful control | 根據需要 |
加工特性
| 過程 | 適應性 | 筆記 | Key Consideration |
|---|
| 加工 | 好的 | Machinability rating of 20 | Tool selection |
| 成型 | 公平的 | 由於錫含量高，成形性有限 | Avoid excessive deformation |
| 鍛造 | 貧窮的 | 不建議 | 不適用 |
| 鑄件 | 優秀的 | Ideal for sand and centrifugal casting | Proper cooling rate |
| 擠壓 | 貧窮的 | Not typically extruded | 不適用 |
| Deep Drawing | 貧窮的 | Limited ductility | 不建議 |
| Spinning | 公平的 | Possible with proper techniques | Avoid work hardening |
| Broaching | 好的 | Suitable for precision sizing | Tool wear |
Polishing Characteristics
| 拋光方法 | 結果 | Recommended Abrasives |
|---|
| 機械拋光 | Good surface finish achievable | Alumina or diamond compounds |
| 化學拋光 | Moderate results | Proprietary solutions |
| 電解拋光 | Excellent for high luster finish | Phosphoric acid-based electrolytes |
| 拋光 | 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 |
熱處理
| 熱處理 | 溫度範圍 | 目的 | 冷卻方式 |
|---|
| 退火 | 550-650°C | Stress relief and softening | Slow cooling |
| 溶液處理 | 不適用 | C90810 is not heat treatable | 不適用 |
| 時效硬化 | 不適用 | C90810 is not age hardenable | 不適用 |
| 壓力緩解 | 260-370°C | 減少內應力 | 風冷 |
| 規範化 | Not typically performed | 不適用 | 不適用 |
| 淬火 | 不建議 | May cause distortion | 不適用 |
Cold Processing Characteristics
| 過程 | 適應性 | 筆記 | Alternative Suggestion |
|---|
| 冷加工 | 有限的 | High tin content reduces ductility | Consider hot working if necessary |
| 冷拔 | 貧窮的 | 不建議 | Use machining instead |
| 冷軋 | 貧窮的 | 不建議 | Consider cast or machined forms |
| Cold Heading | Not suitable | Too brittle | Use machining or casting |
| 冷鍛 | Not suitable | Lacks necessary ductility | Consider hot forging or casting |
| 噴丸強化 | 公平的 | Can improve surface properties | Use with caution |
Advantages and Disadvantages of C90810
| 好處 | 缺點 | 注意事項 |
|---|
| 高強度 | 有限的成形性 | Design for minimal forming |
| 優異的耐磨性 | Higher cost compared to some bronzes | Consider for critical applications |
| 良好的耐腐蝕性 | 不適合高速應用 | Use in low to moderate speed settings |
| 低摩擦係數 | Limited cold working ability | Design for as-cast or machined forms |
| 適用於重負載 | Not heat treatable | Select for applications not requiring heat treatment |
| 良好的機械加工性 | 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 |
類似產品
| 合金 | UNS Number | Main Composition | 主要差異 |
|---|
| 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 | 銅鋁鐵 | Aluminum bronze with different property profile |
| C95500 | C95500 | 銅鋁鎳鐵 | 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
| 財產 | 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 |
| 伸長率（%） | 20 | 25 | 15 | 20 | 15 |
| 布氏硬度 | 95 | 70 | 100 | 65 | 190 |
| 耐腐蝕性能 | 優秀的 | 好的 | 優秀的 | 好的 | 優秀的 |
| 可加工性 | 好的 | 非常好 | 公平的 | 優秀的 | 公平的 |
| 可焊性 | 公平的 | 好的 | 公平的 | 貧窮的 | 好的 |
| 耐磨性 | 優秀的 | 好的 | 優秀的 | 好的 | 優秀的 |
| 成本 | 高的 | 緩和 | 很高 | 緩和 | 高的 |
| 典型應用 | Heavy-duty bearings | General-purpose | High-load bearings | 襯套、軸承 | 船用部件 |
結論：
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.
