When it comes to selecting materials for harsh environments, especially those involving corrosive conditions, high temperatures, และ seawater exposure, few materials perform as well as CuNi10Fe. This copper-nickel alloy enriched with iron is celebrated for its exceptional resistance to corrosion and outstanding mechanical properties. Whether you’re designing for marine applications, oil and gas industries, or chemical processing plants, CuNi10Fe is a top contender.
In this guide, we’ll dive deep into everything you need to know about CuNi10Fe, from its composition and properties to its applications and specifications. We’ll also explore the advantages and limitations of this alloy, provide insights into การกำหนดราคา, and answer common questions you may have about CuNi10Fe.
ภาพรวม
CuNi10Fe is a copper-nickel alloy with approximately 10% nickel and 1-2% iron. The addition of iron improves the alloy’s corrosion resistance in environments where seawater or brackish water is present, making it a popular choice for marine applications. Unlike pure copper, which can corrode quickly in saline environments, CuNi10Fe can withstand the rigors of both marine and industrial exposure.
Key Features :
- ความต้านทานการกัดกร่อน: Excellent performance in seawater, brackish water, และ acidic environments.
- Durability: High mechanical strength and fatigue resistance.
- เสถียรภาพทางความร้อน: Performs well at both low and high temperatures.
- ความสามารถในการทำงานได้: Good formability, weldability, และ machinability.
- Biofouling Resistance: Resists marine organism growth (e.g., barnacles, algae), reducing maintenance needs in marine environments.
Composition and Properties
The unique composition of CuNi10Fe gives it a balanced combination of corrosion resistance, strength, และ thermal stability. Let’s look at the alloy’s chemical composition and key properties in more detail.
องค์ประกอบ
| องค์ประกอบ | Percentage (%) |
|---|---|
| ทองแดง (Cu) | 86 – 89 |
| Nickel (Ni) | 9 – 11 |
| Iron (Fe) | 1.5 – 2.5 |
| Manganese (Mn) | 0.5 – 1.0 |
| Other Elements | Trace amounts |
Mechanical and Physical Properties
| คุณสมบัติ | ค่า |
|---|---|
| แรงดึง | 360 – 450 MPa |
| ความแข็งแรงของผลผลิต | 120 – 160 MPa |
| การยืดตัว | 30 – 40% |
| ความหนาแน่น | 8.94 g/cm³ |
| การนำความร้อน | 29 W/m·K |
| ความต้านทานไฟฟ้า | 0.25 µΩ·m |
| จุดหลอมเหลว | 1100 – 1140°C |
| ความต้านทานการกัดกร่อน | Excellent against seawater, acids |
Key Insights on the Properties:
- ความต้านทานการกัดกร่อน: The nickel and iron content significantly enhances CuNi10Fe’s ability to resist corrosion, especially in marine environments.
- คุณสมบัติทางความร้อน: The alloy maintains stability under a wide range of temperatures, making it ideal for high-temperature industrial processes like chemical processing or power generation.
- ความแข็งแรงเชิงกล: CuNi10Fe offers a good combination of strength and ductility, making it easy to form and machine for various industrial applications.
แอปพลิเคชัน
CuNi10Fe’s excellent corrosion resistance, durability, และ biofouling properties make it a go-to material in industries where seawater and corrosive environments are prevalent. Its ability to perform well under extreme conditions has made it a popular choice in marine engineering, power generation, desalination plants, and more.
แอปพลิเคชันทั่วไป
| อุตสาหกรรม | แอปพลิเคชันทั่วไป |
|---|---|
| Marine Engineering | Piping systems, heat exchangers, seawater condensers |
| น้ำมัน & แอมป์; แก๊ส | Offshore platforms, risers, and subsea components |
| การผลิตไฟฟ้า | Cooling systems, turbine components, condensers |
| Desalination Plants | Evaporators, brine heaters, piping |
| Shipbuilding | Propellers, hull fittings, seawater intake systems |
| การแปรรูปเคมี | Heat exchangers, chemical storage, process piping |
Why CuNi10Fe Is Used in These Applications
- Marine Engineering: Its resistance to seawater corrosion makes CuNi10Fe perfect for seawater piping systems and heat exchangers.
- น้ำมัน & แอมป์; แก๊ส: In offshore drilling platforms, CuNi10Fe withstands the harsh combination of saltwater, high pressure, และ temperature variations.
- Desalination: In desalination plants, CuNi10Fe’s ability to resist brine corrosion ensures a long service life, reducing maintenance costs.
Specifications, Sizes, and Standards
CuNi10Fe is manufactured in various forms and sizes to meet the specific needs of different industries. Below, we’ll outline common specifications, sizes, and standards that apply to CuNi10Fe.
ข้อกำหนดและมาตรฐาน
| ข้อมูลจำเพาะ | รายละเอียด |
|---|---|
| Common Forms | Sheets, Plates, Rods, Tubes, Pipes |
| Diameter Range (Rods) | 6 mm to 250 mm |
| Thickness Range (Sheets) | 0.5 mm to 30 mm |
| Length (Bars) | Up to 6 meters |
| มาตรฐาน | ASTM B111, ASTM B466, DIN 86019, EN 12449 |
เกรด
| ระดับ | Attributes |
|---|---|
| CuNi10Fe-Soft | ดีกว่า formability, good for bending and welding |
| CuNi10Fe-Hard | Improved strength, better for load-bearing applications |
Forms and Sizes Available
- Tubes: Frequently used for seawater cooling systems and heat exchangers in marine and industrial applications.
- Plates: Commonly utilized in offshore platforms and shipbuilding for structural components.
- Rods: Often used in precision machining, particularly in oil and gas sectors.
ซัพพลายเออร์และราคา
The pricing of CuNi10Fe can fluctuate based on several factors, including the form (i.e., tubes, plates, rods), the supplier’s location, และ market conditions (such as the cost of raw copper and nickel). Below, we’ll take a look at some common suppliers and pricing information for CuNi10Fe.
Suppliers and Pricing Information
| ผู้จัดหา | ที่ตั้ง | Price Range (per kg) | Typical Lead Time |
|---|---|---|---|
| Metal Supermarkets | สหรัฐอเมริกา | $15 – $30 | 2-4 weeks |
| Shanghai Metals | จีน | $12 – $28 | 3-5 weeks |
| Metals4U | สหราชอาณาจักร | £12 – £25 | 1-3 weeks |
| EuroAlloys | Europe | €14 – €30 | 4-6 weeks |
Factors Influencing CuNi10Fe Pricing
- รูปร่าง: Tubes and plates tend to be more expensive than rods due to the complexity of processing.
- ระดับ: Harder grades typically cost slightly more due to additional treatments that are required to achieve higher strength properties.
- Market Prices: The price of nickel and copper can vary, influencing the cost of CuNi10Fe.
Advantages and Limitations
Like any material, CuNi10Fe has its own set of advantages and limitations. Below, we’ll explore the key benefits and drawbacks of this high-performance alloy.
Advantages and Limitations
| Advantages | ข้อ จำกัด |
|---|---|
| Exceptional corrosion resistance | More expensive than standard copper or brass alloys |
| สูง mechanical strength | Lower electrical conductivity compared to pure copper |
| ดี weldability and formability | Heavier than some alternative materials |
| ยอดเยี่ยม biofouling resistance | เนื้อหานิกเกิล may raise cost and allergic reactions in some applications |
| Long service life in marine environments | Not ideal for applications requiring high conductivity |
Insights on the Benefits and Drawbacks
- ความต้านทานการกัดกร่อน: CuNi10Fe is the go-to material for marine environments, where its resistance to seawater makes it indispensable. However, the alloy is more expensive than simpler copper alloys like brass or bronze, which may be a consideration if cost is a major factor.
- คุณสมบัติเชิงกล: Its combination of strength, ductility, และ formability makes it suitable for heavy-duty applications like offshore platforms. However, its heavier weight compared to other materials like aluminum may not be ideal for applications where lightweight properties are essential.
CuNi10Fe vs. Other Copper Alloys
When selecting an alloy, you may wonder how CuNi10Fe compares to other copper-nickel and copper-based alloys. Let’s dive into a comparison between CuNi10Fe and some common alternatives like CuNi30, CuNi70/30, และ CuZn39Pb3 (Brass).
Comparison of CuNi10Fe with Other Copper Alloys
| คุณสมบัติ | CuNi10Fe | CuNi30 (70/30) | CuZn39Pb3 (Brass) | CuNi90/10 |
|---|---|---|---|---|
| แรงดึง | 360 – 450 MPa | 490 – 680 MPa | 300 – 450 MPa | 350 – 400 MPa |
| ความแข็งแรงของผลผลิต | 120 – 160 MPa | 150 – 200 MPa | 150 – 300 MPa | 130 – 180 MPa |
| ความต้านทานการกัดกร่อน | ยอดเยี่ยม | Superior (especially in seawater) | ปานกลาง | ดีมาก |
| ความสามารถกล | ดี | ปานกลาง | ดีมาก | ดี |
| การนำไฟฟ้า | 10-30% IACS | 5-15% IACS | 28-35% IACS | 10-20% IACS |
Key Takeaways from the Comparison
- CuNi10Fe vs CuNi30: CuNi30 has better mechanical strength and corrosion resistance in extreme marine environments but is more expensive and harder to machine than CuNi10Fe.
- CuNi10Fe vs Brass (CuZn39Pb3): Brass offers better machinability and is usually cheaper, but its corrosion resistance in marine environments is significantly lower than CuNi10Fe.
- CuNi10Fe vs CuNi90/10: Both alloys have similar properties, but CuNi10Fe is typically more cost-effective and offers slightly better workability.
คำถามที่พบบ่อย (คำถามที่พบบ่อย)
To help you better understand CuNi10Fe, we’ve compiled a list of frequently asked questions to address common concerns and queries.
| คำถาม | คำตอบ |
|---|---|
| What is it used for? | It is primarily used in marine engineering, oil & gas, shipbuilding, และ chemical processing due to its corrosion resistance and durability. |
| Does it corrode in seawater? | No, it has excellent corrosion resistance in seawater, making it ideal for marine applications. |
| Is it easy to machine? | Yes, it has good machinability, particularly in its soft grade, making it suitable for precision components. |
| How much does it cost? | The price typically ranges between $12 and $30 per kg, depending on the supplier and form (e.g., sheets, tubes, rods). |
| Can it be welded? | Yes, it offers excellent weldability, particularly in marine and industrial applications. |
| What are the main properties of it? | It is known for its corrosion resistance, mechanical strength, thermal stability, และ biofouling resistance. |
บทสรุป
It is a versatile copper-nickel alloy that excels in marine, industrial, และ chemical processing applications. Its corrosion resistance and mechanical strength make it a top choice for seawater systems, while its thermal stability ensures it performs well in high-temperature environments. While it may come at a higher cost than simpler copper alloys, its long service life and outstanding performance in harsh conditions make it a worthwhile investment.
Whether you’re designing offshore platforms, ship components, or heat exchangers, It offers the durability and reliability you need. By understanding its properties, applications, and limitations, you can make an informed decision about whether it is the right material for your next project.
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