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UNS C44400 Copper Alloy Chemical Composition, Grades, Charts and Document

The copper alloy of UNS C44400 is famous for many reasons including the fact that it can be excellently machined and resists corrosion well. Consisting mainly of the copper (Cu), with additions of the lead (Pb) and the zinc (Zn), its chemical make up secures the product to be used in a large range of purposes. This metal is in plumbing industry being it is resistant to acids and alkalis. It is used in water plumbing piping components of valves, fitting and many more. Grading and standards of C44400 are correlated with SAE and ASTM grade. Charts, which will show how tough and hard this material is, play an important role in a decision making process by providing information for engineers and manufacturers. Comprehensive technical reports on the composition and properties of this multi-purpose copper alloy are valuable sources of information for industries employing this alloy in diverse ways.

UNS C44400 Copper Alloy Chemical Composition And Grade Table

Uns C44400 is an alloy of copper well known because of its excellent thermal and electrical conductivity, corrosion resistance characteristics, and ease of machining. Copper (Cu) is the dominant component, followed by zinc (Zn), and it minor constituents composed of lead (Pb) and tin (Sn). A typical composition generally consists about 63% copper, 35% zinc, 1% lead and 1% tin. This alloy could be found in different applications such as electrical connectors, plumbing fixtures, and marine fittings. The components in this compound are balanced, which is beneficial it functions in the systems where both the ability to handle high loads and the conductivity are important, as the reliability and the performance guaranteed.

UNS C44400 Copper Alloy Composition Table
Elements Cu Pb Sn Zn Fe Sb
Min (%) 70.0 - 0.8 - - 0.02
Max (%) 73.0 0.07 1.2 Rem 0.06 0.10

The Advantages and Disadvantages of UNS C44400 Copper Material Properties, C44400 Properties

    Advantages:

  • Excellent corrosion resistance: The UNS C44400 copper alloy demonstrates the highest corrosion resistance, especially in the marine and industrial environments, which is why it is perfect for many applications where the exposure to the corrosive elements is frequent.

  • High thermal conductivity: It has high thermal conductivity, thus, it can be used for heat exchangers, condensers, and other applications that need efficient heat transfer.

  • Good formability: UNS C44400 is easily formable, thus it is possible to make complicated shapes and designs, which makes it ideal for architectural and decorative applications.

  • High strength: The alloy has a good mechanical strength, which enables it to bear moderate loads and stresses, thus making it a suitable material for structural applications.

  • Biostatic properties: Copper alloys like UNS C44400 have the biostatic properties, which prevent the growth of bacteria and fungi on its surface, so it is used for medical and food processing equipment.

    Disadvantages:

  • Cost: UNS C44400 copper alloy is more expensive than other copper alloys or alternative materials, which means it is not affordable for some applications.

  • Limited availability: The UNS C44400 may have a limited supply depending on the region or supplier, which may result in longer lead times or higher procurement costs.

  • Potential for dezincification: Similar to other brass alloys, UNS C44400 is prone to dezincification in some environments, which can lead to the decrease of its mechanical properties and structural integrity.

  • Surface tarnishing: Even though UNS C44400 has good corrosion resistance, it can tarnish over time, especially in outdoor environments with the exposure to pollutants, thus, it needs to be maintained periodically to keep its look.

  • Environmental considerations: Copper mining and processing, including the production of copper alloys like UNS C44400, can cause environmental damage, such as habitat destruction and water pollution, which should be carefully controlled and mitigated.

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Frequently Asked Questions

FAQs
What is the chemical composition of UNS C44400 copper alloy?

UNS C44400 copper alloy is usually made of about 99% copper. 7% copper (Cu) with tiny parts of iron (Fe) at approximately 0%. 005-0. 02%, and the remaining elements like lead (Pb), zinc (Zn), and others which are present in trace amounts.

Which are the main properties of UNS C44400 copper alloy?

UNS C44400 is renowned for its high resistance to corrosion, especially in seawater and industrial environments. Besides, it is also characterized by the good formability, high thermal and electrical conductivity, and moderate strength.

Which industries use UNS C44400 for their applications?

This alloy is used in applications that are characterized by high corrosion resistance, such as marine hardware, heat exchanger tubes, condenser tubes, plumbing fittings, and architectural components.

What are the sources of the detailed charts for the mechanical properties of UNS C44400?

The tables and charts illustrating the mechanical properties of UNS C44400 are available in the industry standards such as ASTM B111/B111M for copper and copper-alloy seamless condenser tubes, and in resources from materials databases like websites.

Raw Material Prices (Updated as on: 20 May 2024 02:29 AM) LIVE RATES

MetalsPrice/TonnePrice/KG
Nickel$20,953₹1,745.35
LME$21,004₹1,749.63
Copper$11,127₹926.91
LME$10,481₹873.08
Aluminum$2,611₹217.47
LME$2,598₹216.39
Zinc$3,032₹252.55
LME$2,974₹247.73
Lead$2,292₹190.95
LME$2,286₹190.42

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