CuZn39Pb1: Frigör kraften i denna mångsidiga mässingslegering

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Innehållsförteckning

When selecting a brass alloy for precision machining, korrosionsbeständighet, och styrka, CuZn39Pb1 is a go-to choice. Whether you’re working on automotive parts, plumbing fixtures, or electrical components, CuZn39Pb1 offers a fantastic balance of machinability och durability. But why is CuZn39Pb1 so effective in a wide range of applications? How does it compare to other alloys, and why should you choose it for your next project?

In this in-depth guide, we’ll explore the sammansättning, properties, specifications, applications, och prissättning of CuZn39Pb1. We’ll also compare it to other brass alloys to highlight its advantages and limitations. By the end of this article, you’ll have a clear understanding of whether CuZn39Pb1 is the right material for your needs.


Översikt

CuZn39Pb1 is a high-performance brass alloy primarily composed of copper (Cu), zinc (Zn), and a small amount of lead (Pb). Known for its excellent machinability, CuZn39Pb1 is widely used in industries that require precision machining with minimal tool wear. The addition of lead improves its cutting properties, making it an ideal material for creating small, intricate parts.

Key Features :

  • Superior machinability: The lead content enhances cutting performance, reducing tool wear and increasing productivity during machining.
  • Måttlig styrka: Balances styrka och ductility, making it suitable for parts that require both durability and flexibility.
  • God korrosionsbeständighet: Performs well in freshwater och non-aggressive environments, ensuring longevity in many applications.
  • Excellent formability: CuZn39Pb1 can be easily shaped through processes like bending, stamping, och drawing, making it versatile for various manufacturing methods.

Sammansättning och egenskaper

Understanding the chemical composition och mechanical properties of CuZn39Pb1 is essential for determining whether it meets your project requirements. Let’s take a closer look at its makeup and the properties that make it so valuable.

Kemisk sammansättning

ElementProcentuell andel (%)
Koppar (Cu)59 – 60
Zink (Zn)38 – 40
Bly (Pb)0.8 – 1.3
Järn (Fe)≤ 0.05
Övriga elementTrace amounts

Mechanical and Physical Properties

FastighetVärde
Draghållfasthet320 – 450 MPa
Utbyteshållfasthet140 – 300 MPa
Töjning15 – 25%
Täthet8.47 g/cm³
Hardness (HB)80 – 110 HB
Termisk konduktivitet120 W/m·K
Elektrisk konduktivitet26% IACS
Smältpunkt870 – 900°C

Notable Properties :

  • Bearbetbarhet: The lead content (up to 1.3%) greatly enhances machinability, making CuZn39Pb1 one of the easiest brass alloys to machine. It allows for faster cutting speeds and reduced tool wear, which is especially important in high-precision applications.
  • Motståndskraft mot korrosion: CuZn39Pb1 performs well in environments that are not overly aggressive, such as freshwater och mildly acidic environments. However, it may not be suitable for use in seawater or highly corrosive conditions.
  • Formbarhet: CuZn39Pb1 is highly formable, allowing it to be bent, stamped, och drawn into complex shapes without cracking or breaking. This makes it suitable for parts that need to be shaped into intricate designs.
  • Thermal and Electrical Conductivity: Like most brass alloys, CuZn39Pb1 has good thermal conductivity, making it useful in heat-transfer applications. Its electrical conductivity is moderate, making it suitable for low-power electrical components.

Tillämpningar

CuZn39Pb1’s combination of machinability, styrka, och korrosionsbeständighet makes it highly versatile. It is widely used across several industries, including automotive, plumbing, och electrical engineering. Below are some of the most common applications for CuZn39Pb1.

Vanliga tillämpningar

IndustriTypiska tillämpningar
FordonFuel connectors, valve bodies, electrical components
PlumbingFittings, valves, faucets, connectors
ElektriskTerminals, connectors, switch components
MaskinerGears, bushings, fasteners
Flyg- och rymdindustrinHydraulic components, sensor housings
KonsumentvarorDecorative hardware, locks, door handles

Why CuZn39Pb1 Is Preferred for These Applications

  1. Fordon: CuZn39Pb1’s excellent machinability makes it ideal for producing fuel connectors och valve bodies. Its good corrosion resistance ensures that these parts can withstand exposure to fluids och gasses in automotive systems.
  2. Plumbing: The alloy’s resistance to corrosion in freshwater environments makes it a reliable choice for fittings, valves, och faucets. It can be easily shaped into complex components and withstands the pressures found in plumbing systems.
  3. Elektrisk: With decent elektrisk ledningsförmåga, CuZn39Pb1 is commonly used in terminals och connectors. Its machinability also allows manufacturers to create intricate switch components with tight tolerances.
  4. Maskiner: CuZn39Pb1’s balance of strength and machinability makes it suitable for gears, bushings, och fasteners that require precision and durability.

Specifikationer, storlekar och standarder

CuZn39Pb1 is available in various sizes, forms, och grades to meet the needs of different industries. Here’s a breakdown of the most common specifications and standards for CuZn39Pb1.

Common Specifications and Standards

SpecifikationBeskrivning
ASTM B16Standard for free-cutting brass rod, bar, and shapes
EN 12164European standard for copper and copper alloys
DIN 17660German standard for wrought copper alloys
JIS H3250Japanese standard for brass rods

Tillgängliga storlekar och former

FormStorleksintervall
StavarDiameter: 5 mm to 150 mm
Sheets/PlatesThickness: 0.5 mm to 50 mm
RörDiameter: 6 mm to 100 mm
LedningarDiameter: 0.5 mm to 10 mm

These sizes can be customized depending on the specific needs of your project. Most suppliers offer cut-to-size services to ensure that the material fits perfectly into your design.


Leverantörer och prissättning

Pricing for CuZn39Pb1 can vary depending on factors such as form (e.g., rods, sheets, tubes), supplier location, och market conditions. Here’s an overview of common suppliers and typical pricing ranges for CuZn39Pb1.

Leverantörer och prissättning

LeverantörPlatsPrisintervall (per kg)Ledtid
ThyssenKruppTyskland$10 – $251-3 weeks
Aviva MetalsUSA$12 – $282-4 weeks
Shanghai Metal CorpKina$8 – $203-5 weeks
Smiths Metal CentresSTORBRITANNIEN£9 – £221-2 veckor

Factors Influencing CuZn39Pb1 Pricing

  • Form: Prices vary depending on whether you are purchasing rods, sheets, or tubes. Generally, more processed forms (e.g., cut-to-size) will cost more per kilogram.
  • Supplier Location: Shipping costs and import duties can significantly affect the final price, especially when ordering from international suppliers.
  • Market Conditions: Prices for copper and zinc fluctuate due to changes in global demand och commodity markets, which in turn affects the price of CuZn39Pb1.

Fördelar och begränsningar

Before selecting CuZn39Pb1 for your project, it’s important to weigh its Fördelar och Begränsningar. While it excels in many areas, it may not be suitable for all applications.

Fördelar och begränsningar

FördelarBegränsningar
Utmärkt maskinbearbetbarhet: Lead content improves cutting performance, reducing tool wear and increasing productivity.Lead content:It contains lead, which may be restricted in certain applications, particularly those involving potable water.
God korrosionsbeständighet: Suitable for use in freshwater and mildly acidic environments.Not suitable for highly corrosive environments: It may not withstand harsh conditions like seawater or aggressive chemicals.
Kostnadseffektivt: Compared to higher copper alloys, CuZn39Pb1 offers a balanced performance at a lower cost.Lägre styrka: It may not be as strong as other brass alloys, limiting its use in high-stress applications.
God elektrisk ledningsförmåga: Suitable for low-power electrical components.Not ideal for high-current electrical applications: Due to its moderate conductivity, it’s not suitable for high-power situations.
Formbarhet: Can be easily cold-worked into a variety of shapes, making it versatile for different applications.Environmental impact: The lead content may raise concerns about environmental and health impacts during disposal or recycling.

Comparing CuZn39Pb1 with Other Brass Alloys

When selecting a brass alloy, it’s crucial to consider how it compares to other materials in terms of styrka, machinability, and other key properties. Below, we’ll compare CuZn39Pb1 to similar brass alloys to help you make an informed decision.

CuZn39Pb1 Compared to Other Brass Alloys

FastighetCuZn39Pb1CuZn36Pb1CuZn40Pb1CuZn37 (CW508L)
Draghållfasthet320 – 450 MPa330 - 470 MPa350 – 470 MPa330 – 450 MPa
BearbetbarhetUtmärktUtmärktUtmärktBra
Motståndskraft mot korrosionBraBraBraMåttlig
Elektrisk konduktivitet26% IACS25 – 30% IACS25% IACS27% IACS
FormbarhetBraBraBraMycket bra

Key Comparisons

  • CuZn39Pb1 vs. CuZn36Pb1: Both alloys provide excellent machinability, but it might offer slightly higher draghållfasthet, making it a better choice for applications requiring more durability.
  • CuZn39Pb1 vs. CuZn40Pb1: CuZn40Pb1 is similar in machinability and corrosion resistance but offers slightly higher draghållfasthet, which might make it a preferred choice for high-stress applications.
  • CuZn39Pb1 vs. CuZn37: CuZn37 offers better formability, making it ideal for parts that require extensive bending or drawing. However, CuZn39Pb1 excels in machinability, making it the better choice for precision machining.

Vanliga frågor och svar (FAQ)

To help you better understand CuZn39Pb1 and its uses, here are some frequently asked questions along with detailed answers.

FrågaSvar
What is it used for?It is widely used in automotive parts, electrical connectors, plumbing fixtures, och machinery components.
How much lead is in CuZn39Pb1?It contains between 0.8% and 1.3% lead to improve machinability.
Is it easy to machine?Yes, it has excellent machinability, making it ideal for high-precision machining and complex part designs.
Can it be used in potable water systems?Due to its lead content, it may not be suitable for potable water systems, and alternatives may be required for such applications.
What is the tensile strength of CuZn39Pb1?it typically has a draghållfasthet ranging from 320 to 450 MPa, making it strong enough for many mechanical applications.
Is it resistant to corrosion?Yes, it offers good corrosion resistance in freshwater and mild environments, but it may not be suitable for highly corrosive settings.

Slutsats

It is a versatile, high-performance brass alloy that offers a superb balance of machinability, styrka, och korrosionsbeständighet. Whether you’re working in automotive, plumbing, or electrical industries, CuZn39Pb1 provides the reliability and cost-effectiveness you need for your high-precision parts.

While its lead content may limit its use in certain applications, such as potable water systems, it is an excellent choice for many other uses. Its ability to be easily machined into complex shapes makes it indispensable in industries where precision is critical.

By understanding the sammansättning, properties, och applications av CuZn39Pb1, you can confidently select this alloy for your next project, knowing that it will deliver the performance and durability required.

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