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UNS C37700 Copper Alloy Chemical Composition, Grade, Chart and Document

The most ideal UNS C37700 is an amazing ductile copper alloy. It has the fantastic ability to fight against corrosion and is the best conductor of heat. Copper alloy with lead and zinc is the main ingredient of its composition, and it belongs to cast copper alloy type. This alloy is mainly used in applications that need through machining which are fittings, valves and connectors. These are widely used in plumbing. The chemical composition however, normally has 59-63% copper, 0.25-1.0% lead, 1.5-2.5% zinc and lower percentages composition of some other elements. High-grade material makes it strong and versatile for application in different situations. There is a master chart for operability of all the alloys and this leads to better selection of the desired alloy for different industrial processes. Relevant documents give a complete picture on a product things such as the properties, the applications and how it should be handled, which help it to perform at the highest levels in every scenario.

UNS C37700 Copper Alloy Chemical Composition And Grade Table

UNS C37700 is a copper alloy which has a good grade of machineability, high resistance to corrosion, and high rate of thermal conduction as well. Being a copper (Cu) product with small additions of lead (Pb) and the zinc (Zn), its chemical composition ranges between 59% to 64% which is the copper content, 1% to 2.5% is lead and 0.5% to 2.5% is the zinc content and the remaining is made up of other trace elements. This alloy is one of the most widely used for plumbing fittings, valves and different parts, that requires high of machinability and resistance to dezincification. Its eight digit grade is a classification of leaded brass that demonstrates the combination of hardness and workability.

UNS C37700 Copper Alloy Composition Table
Elements Cu Pb Zn Fe
Min (%) 58 1.5 - -
Max (%) 61 2 Rem 0.3

The Advantages and Disadvantages of UNS C37700 Copper Material Properties, C37700 Properties

    Advantages:

  • Excellent hot forgeability: Being the perfect choice for hot forging operations, it makes it possible to make complex shapes easily.

  • Good machinability: It provides good machinability, which in turn, makes the production process easier and faster.

  • Good corrosion resistance: Corrosion resistant in many environments, increasing the durability and the lifespan of the products.

  • High strength: It has strong mechanical properties, which is why it is suitable for the most demanding applications.

  • Cost-effective: Generally, more economical than the other high-performance copper alloys, thus, it is a good compromise between performance and cost.

    Disadvantages:

  • Lead content: The lead content makes the material more machinable, which in turn causes health and environmental problems that limit its usage in potable water and food-related applications.

  • Moderate electrical conductivity: Lower electrical conductivity than pure copper, which makes it less suitable for high-conductivity applications.

  • Potential for dezincification: The material is very sensitive to zinc loss in some conditions, which can lead to the deterioration of its mechanical properties and integrity.

  • Limited cold workability: It is not suitable for cold forming operations, which means that it is not versatile in some manufacturing processes.

  • Lower resistance to certain chemicals: Unsuitable for the high acidic or high-chloride environments, where specialized alloys are needed.

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Frequently Asked Questions

FAQs
What are the chemical components of UNS C37700 copper alloy?

UNS C37700 copper alloy, also called forging brass, usually has a composition of about 58-61% copper (Cu), 1. This one teaches that, for example, 0-2 older people, 5% are Pb. 1% iron (Fe) and the rest of it being zinc (Zn). It may also have tiny amounts of other elements like tin (Sn) and nickel (Ni).

What grade level does UNS C37700 belong to?

UNS C37700 is a forging brass grade. It is specifically designed for hot forging applications because of its outstanding forgeability and machinability properties.

What are the common applications of UNS C37700 copper alloy?

UNS C37700 is used in a lot of hot forging applications like fittings, valves, and hardware components. Its good machinability and corrosion resistance make it appropriate for different industrial and plumbing applications.

Which standards determine the specifications and use of UNS C37700 copper alloy?

The specifications and use of UNS C37700 are regulated by standards such as ASTM B124/B124M (for copper and copper-alloy forging rod, bar, and shapes), ASTM B283/B283M (for free-cutting brass rod, bar, and shapes for use in screw machines), and other similar These standards guarantee the uniformity of the material's properties and quality for the industrial use.

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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