Aluminium brass tubes C68700

Aluminium brass tubes C68700

What is Aluminium Brass Tube?

Aluminium brass tube is an alloy of copper, zinc and aluminium. It has a higher corrosion resistance than other alloys and is commonly used in high-pressure applications, such as hydraulic cylinders. It also provides good strength at elevated temperatures due to its high tensile strength. Aluminium brass tubes can be easily machined and welded, making them an ideal choice for many applications. It also has good wear resistance properties, making it perfect for use in bearing product components.

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Description

Aluminium brass tubes are highly accepted and one of the extensively used material for various industrial applications. This alloy develops a protective film that has self-healing properties. This film is dependent on oxygen, which is dissolved in the water and does not renew itself in polluted or stagnant water. High resistance to corrosion in clean seawater or inland conditions is difficult.

Aluminum Brass tubes resist the action of high-velocity salt and brackish water. The outstanding characteristic of this alloy is its superior resistance to impingement attack.

High strength combined with good general corrosion resistance and low susceptibility to stress corrosion cracking of aluminum brass tubes make it a highly preferred material for load bearing masonry fixings.

In case, the brass tubes are used in hard drawn conditions, or if they have been severely cold worked through bending or swaging in assembly, they should generally be heat treated to ensure freedom from stress corrosion cracking.

Inhibited Aluminum Brass tubes – C68700 – resists the action of high-velocity salt and blackish water and is commonly used for condenser tubes. The main characteristic of C68700 is its high resistance to impingement attack. Tubes of this alloys are recommended for use in Marine and Land Power Stations, in which cooling water velocities are high.

Aluminium brass is a type of copper alloy that contains a significant amount of aluminium and other elements, such as zinc and manganese. This alloy has a unique combination of properties, including excellent resistance to corrosion and high strength. These properties make aluminium brass popular for various applications, especially in marine and aerospace industries. This blog post will discuss the composition, properties, and uses of aluminium brass tubes.

What is Aluminium Brass Tube?

Aluminium brass tube is an alloy of copper, zinc and aluminium. It has a higher corrosion resistance than other alloys and is commonly used in high-pressure applications, such as hydraulic cylinders. It also provides good strength at elevated temperatures due to its high tensile strength. Aluminium brass tubes can be easily machined and welded, making them an ideal choice for many applications. It also has good wear resistance properties, making it perfect for use in bearing product components.

Composition of Aluminium Brass Tube

The aluminium brass tube is made from a copper-based alloy typically containing 76-80% copper, 1-3% iron, 5-8% aluminium, 0.02-0.06% manganese, and 12-15% zinc. Including aluminium in this alloy results in improved corrosion resistance and strength, while adding zinc provides better workability and mechanical properties.

Properties of Aluminium Brass Tube

The properties of aluminium brass tubes are unique and exceptional, making them ideal for a wide range of applications. Here are some of the unique properties of aluminium brass tubes:

High corrosion resistance: The high aluminium content in aluminium brass tubes makes them highly corrosion-resistant and ideal for marine and offshore applications.

High strength: Aluminium brass tube has excellent strength properties, making it suitable for applications requiring high resistance to deformation or stress.

Good heat transfer: Aluminium brass tube has excellent thermal conductivity, making it ideal for heat exchangers, condensers, and other similar applications.

Easy to the machine: The aluminium brass tube is easy to machine and shape, making it ideal for various manufacturing processes.

Uses of Aluminium Brass Tube

As mentioned earlier, aluminium brass tube has unique properties that make it ideal for various applications. Here are some of the common applications of aluminium brass tubes:

Marine applications: The aluminium brass tube is used extensively in marine applications, including heat exchangers, seawater pipelines, and condensers, as it offers excellent resistance to corrosion, seawater, UV rays, and other environmental factors.

Aerospace applications: The aluminium brass tube is used in various aerospace applications, including hydraulic lines, fuel lines, and heat exchangers, as it offers excellent resistance to high temperatures and corrosion.

Industrial applications: The aluminium brass tube is used in various industrial applications, including chemical processing, power generation, and oil and gas, as it offers excellent resistance to corrosion and high strength.

Difference Between Aluminium Brass and Admiralty Brass

It is worth noting that there is another type of brass alloy that is commonly used in marine applications, known as Admiralty brass. Admiralty brass is a type of copper-zinc alloy typically containing 70-74% copper, 0.02-0.06% iron, 1-2% tin, and 27-30% zinc. While aluminium brass and admiralty brass are commonly used in marine applications, aluminium brass offers better corrosion resistance and has higher strength properties.

Conclusion:

In conclusion, aluminium brass tube is a versatile and unique material with excellent properties, including high strength, corrosion resistance, and thermal conductivity. These properties make aluminium brass tubes ideal for various applications, including marine, aerospace, and industrial applications. Furthermore, including aluminium in this alloy makes it superior to other brass alloys, such as admiralty brass, in terms of corrosion resistance and strength. If you’re looking for a material that offers the perfect balance of strength, corrosion resistance, and workability, the aluminium brass tube is a great choice!

Technical Specifications :

Specification :
Aluminum Brass Tubes
  • ASTM B 111 C 68700
  • ASME SB 111
  • C 68700
  • BS 2871 PART 3 CZ – 110
  • EN 12451 CuZN20 AL2As
  • NFA 51 102
  • CuZn22 Al2
  • JIS H – 3300 C 6870

 

StandardBS 2871 PART3ASTM B 111DIN 1785NFA 51 102JIS H3300IS 1545
SymbolCZ 110C 68700CuZn20AI2CuZn22AI2C 6870CuZn21AI2As
Cu76.0-78.076.0-79.076.0-79.076.0-79.076.0-79.076.0-78.0
Al1.8-2.31.8-2.51.8-2.31.8-2.51.8-2.51.8-2.3
Pb0.070.070.070.070.070.07
Ni0.1
Fe0.060.060.070.060.060.06
ZnREM’DERREM’DERREM’DERREM’DERREM’DERREM’DER
As0.02-0.060.02-0.060.02-0.350.02-0.060.02-0.060.02-0.06
P0.01
Total Impurities Max.
0.030.10.30.3
ConditionM61F39OO
TAF34TA
OD
Yield Strength n/mm21251 50-230400Mpa Max.
105120-180355Mpa Min.
415Map
Tensile n/mm2 Minimum345390373
340
Elng’Tion Percent (%)45Min.40Min.85Max.
55Min.80-110
130Min.
Hardness HV5 –150Min80-130
85-110
75Max.
Grain Size mm (75X)0.05Max.0.010-0.0450.010-0.0450.010-0.0450.010-0.045

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Material

ASTM :Copper (C10200,C11000,C10100,C10200,C12000,) Brass(C21000,C22000,C23000,C24000,C26000,C27000,C27200,C27400,C2800,C31400,

C33000,C35600,C37100,C36000, C35300,C37100,C37700,C37710,C37000,C68700,C41100,
C44300,C46200.C46400,C26130,C65600,)
Bronze(C50500,C51100,C52100,C60800,C61000,C61900,C63010, C62300,C63000,C63280,
C63020,C17200,C17000,C17500,C17510,C18200,C18100,C18200,C16200,C19400,C14500) Cupronickel(C70400,C71000,C71300,C71500,C70400,C70600,C75200,C77000,C75400,)
Pipe shape
Round, square, rectangular
Pipe specification
Round
Wall thickness:0.20mm-20mm
OD:2.00mm-400mm
Square
Wall thickness:0.2mm-20mm
OD:5mmX5mm-400mmX400mm
Rectangular
Wall thickness:0.2mm-20mm
OD:5mmX6mm-380mmX400mm
Pipe length
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc
Surface treatment
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required.
Application

The copper tubes are made of pure electrolysis copper. They are precise in size and smooth

on surface. Besides,they are of good heat conductibility. Thus, they are widely used for heat
exchangers, radiators, coolers, electro-heat-up pipe, Air conditioner and refrigerators.
The straight pipes can be used for oil transportation, brake pipes, water pipes and gas pipes
for construction.
Package

Export standard package: bundled wooden box or be required;

The packing will reach the standard of export. Or as the customers’ request. In addition,

We will make the products with good surface protection.

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