Category:
Nickel Alloy
Copper, known for its reddish colour, corrosion resistant, and conductivity, its properties are ideal in a wide range of products from electrical wiring to plumbing fixtures including architectural products. Many manufactures offer superior copper alloys for virtually any applications.
Here is an over view of copper alloys as well as their characteristics, benefits and its usages.
What is Copper Alloys?
Copper is a natural elemental metal, pure copper is used into manufacturing. This element can be combined with a number of metals to form alloys that enhance thermal and electrical conductivity, it possess good strength, is corrosion resistant and has antimicrobial properties.
The basic properties in copper include:
Conductivity
Copper is one of the finest thermal and electrical conductive materials available hence it’s the most sorted material for electrical products especially wiring and its connections.
Strength
With its pureness it is malleable, this makes it easy to process into wires or hammered into thin sheets for cladding. With a mixture of tin, nickel and others metals super alloys grades are created for more strength and durability according to requirements.
Formability
Copper’s malleability promotes the requirement of conductive miniaturized electronic components and wires without heat treatment. It also helps in heavy duty applications maintaining strength with its cold forming properties.
Pure copper is also easy to solder and braze allowing it to even join with other metals, its formability further makes copper and its alloy easy to rivet, bolt and crimp.
Corrosion
Copper displays exceptional corrosion resistance to moisture, saltwater and a variety of harsh chemicals.
Antimicrobial
Uncoated copper is an antimicrobial killing up to 99.9% of microbes within two hours of exposures.
Color
Copper has an amazing reddish colour and can be worked around with others metals to makeup an additional range of colours from gold, bronze, silver to matte grey.
Advantages of copper
There are a wide range of benefits to be offered by Copper and its alloys.
Electrical Conductivity
Cu alloy has good conductivity although some copper are more conductive than other, but from a general prospective all copper alloys electrically conductive to some degree.
High Thermal Conductivity
Oxygen Free Copper Alloys is an excellent heat conductor, hence it’s suitable for usages’ that require rapid heat transfer.
Non Magnetic.
Basically copper is non-sparking and non-magnetic alloy, this feature makes it an ideal choice for special tools made for military purposes.
Recyclable
Copper is 100% recycled to an infinite amount of times without losing any of its properties.
Corrosion Resistance
Having a low reactivity it tends not to corrode when exposed to different chemicals and elements, even moisture doesn’t effect it by corrosion.
Antimicrobial Properties
Copper alloys is excellent to microbial contaminations, making it a great source to control infections and contaminations.
Copper Products
- Copper Pipe
- Copper Sheet
- Copper Round Bar
Brass Products
- Brass Fittings
- Brass Sheet
- Brass Pipe
Types of Copper & Copper Alloys
- Brass
- Bronze alloys
- Gunmetals
- Copper Nickel
- Nickel silver alloys
- Beryllium-copper
Cu Alloy ASTM Standard
ASTM B16/ ASME SB16
ASTM B21/ ASME SB21
ASTM B42 / ASME SB42
ASTM B21/ ASME SB21
ASTM B42 / ASME SB42
Specification of Copper
Oxygen Free Copper Alloys (OFHC & OFE)
| OFHC Copper material | ETP Copper ( IS 1897) | |
|---|---|---|
| Oxygen | (.001%) less than 10 ppm of oxygen | (.015-.04% oxygen) 150 - 400 ppm oxygen. |
| Electrical / thermal conductivity | 100% Minimum IACS Conductivity | may vary on processing semis.Min 99.99% IACS Conductivity |
| Bending test | Passes close bending test | not applicable |
| Thermal cycle behavior | Its Better | Poor behavior |
| Poor behavior | Consistency | May lead to inconsistent |
| Suitable in high vacuum devices | It is Suitable | Unsuitable |
Cu Alloy Applications & Uses
- Cu Alloy Applications & Uses
- To increase temperature
- Water pipes and piping connections
- Chemical, Oil and gas pipeline system
- Electrical cabling works
Copper Composition
| BS / EN | Available forms | EQUIVALENTS BS (OLD) |
|---|---|---|
| 1057 | Seamles tubing round | 2871 Pt1 |
| 12449 | Seamles tubing round | 2871 Pt2 |
| 12450 | Seamless capillary tubing | |
| 12451 | Seamles tubing round | 2871 Pt3 |
| 12452 | Rolled and seamless finned tubing | - |
| 12735 | Seamles tubing round Part 1 / 2 | - |
| 13348 | Seamles tubing round | - |
| 13349 | Pre-insulated tube | - |
| 13600 | Seamless copper tubing | 1977 |
Properties of Cu Alloy
Melting Point: Pure Copper is 1083ºC.
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