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ASTM B133 C27000 Copper Chemical Composition, Grades, Chart and Pdf

ASTM B133 C27000 is a copper-alloy with a high electrical conductivity, which makes it popular in the production of electric components. Its chemical composition is characterized by copper (Cu) as the main constituent, as well as other elements such as zinc(Zn) and lead(Pb) in a relatively small amount. C27000 shows superior formability together with good joining which is necessary for electronic connectors, terminals and other components. As per ASTM B133, it is fulfillment of quality and consistency. The C27000 grades of stainless steels vary based on the application needs of the specific conductivity, strength, and corrosion resistance. The chart, which includes the mechanical properties, chemical compositions, and grades of copper alloys, is available in PDF document form and offers depth of information for engineers and manufacturers working with copper alloys.

C27000 Coppers Chemical Composition And Grade Table

The chemical composition of C27000 copper usually varies between 63-68% of copper(Cu), 0.07% maximum of Pb, and 0.06% maximum of Fe, with other elements being Zn. This alloy boasts of excellent electrical conductivity and thermal conductivity and is a perfect choice for the electrical applications such as connectors and conductors. The different grades of C27000 are established with various composition and properties variations, which enables engineers to choose the grade to have specific conductivity, strength, and corrosion resistance requirements met.

C27000 Copper Composition Table
Elements Cu Pb Zn Fe
Min (%) 63.0 - - -
Max (%) 68.5 0.09 Rem 0.07

The Advantages and Disadvantages of ASTM B133 C27000 Copper Material Properties, C27000 Properties

    Advantages:

  • Excellent Electrical Conductivity: OFE copper C27000 is among the most electrically conductive materials due to which it has an edge on the applications where efficient electrical transmission is the top priority.

  • Soft Material: Its own softness contributes to the simple operation during bending, forming, and the shaping process. More than that, human strength determines what is more laborious for the fabrication process.

  • High Thermal Conductivity: C27000 shows high-quality thermal conductivity, which makes it a preferred choice for heat exchangers, radiators and other heat transfer tasks.

  • Good Corrosion Resistance: C27000 compound, being less corrosion-resistant than some other copper alloy, however, offers relatively satisfactory protection from the damage of environment impact.

  • Susceptibility to Oxidation: As it contains a higher concentration of hydrocarbons, oxidation takes place more quickly when in contact with air or moisture.

    Disadvantages:

  • High Cost: Copper free of oxygen (Oxygen-free copper) is normally more expensive to other copper alloys like C27000 because it is made with a special manufacturing process that gives it its high purity.

  • Limited Strength: Compared to most other materials, C27000 is quite soft,and that’s maybe the main disadvantage of using this material for applications that require high level of mechanical strength.

  • Not Ideal for High-Stress Environments: Its low strength and high susceptibility to oxidation makes it less eligible for the heavy load bearing components.

  • Limited Work Hardening Ability: Toughness and strength of C27000 are not much expected to go up due to lack of sufficient hardening ability during deformation which may include bending or hammering.

  • Susceptibility to Stress Corrosion Cracking: Though hardened copper C27000 shows high level of general corrosion resistance, it can be easily subjected to stress corrosion cracking under specific circumstances.

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Frequently Asked Questions

FAQs
What does ASTM B133 C27000 Copper refer to?

The C27000 Copper Alloy standard is the widely used copper alloy from ASTM International (the American Society of Testing and Materials). It stands for the high electrical conductivity and is employed in the electrical applications such as connectors and conductors thanks to valuable forming and soldering features.

Which are the Main Chemical Elements of C27000 Copper?

Copper (Cu): The maximum 68.5%, Lead (Pb): A maximum of 0.09% is the amount of content, Zinc (Zn),Iron (Fe).

Why do you need to choose C27000 Copper?

C27000 copper has been selected for its extraordinary high electric conductivity, good thermal conductivity, ease of forming process due to its softness and reasonable anti-corrosion ability of it. These characters cause this material to turn out as a satisfactory option for numerous electrical as well as heat transfer operations, notwithstanding its poor strength point of view.

What process for C27000 copper production?

C27000 copper is usually created using a blend of processes, such as smelting copper ore, purifying the metal to acquisition of the purity needed, and then molding it through processes like casting, extrusion, or rolling to have the final shape desired.

Is the C27000 alloy suitable for use in harsh conditions?

C27000 alloy having a limited ultimate strength and a higher possibility of the onset of stress corrosion cracking makes it an incorrect choice for application in hard environments. Does not ensure proper operating in harsh climates including situations of stress.

Is the C27000 alloy easily available in Mumbai, India?

C27000 Copper is a relative stable commodity in Mumbai market, depending on the supplier availability and demand but availability is good if there are good supply. Communicating with pros metals suppliers or distributors who are known in the area would provide the most authentic details.

Raw Material Prices (Updated as on: 15 May 2024 02:29 AM) LIVE RATES

MetalsPrice/TonnePrice/KG
Nickel$18,895₹1,577.63
LME$19,101₹1,594.81
Copper$10,700₹893.37
LME$10,121₹845.05
Aluminum$2,540₹212.07
LME$2,550₹212.87
Zinc$2,974₹248.31
LME$2,961₹247.23
Lead$2,257₹188.45
LME$2,234₹186.57

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