Gnee Steel (tianjin) Co., Ltd

Aluminium Brass Tubes

Sep 22, 2025

Aluminum Brass Tubes is a new, effective, and efficient product for industrial, construction, or building applications. They are one of the highly and extensively accepted tubes for various industrial applications. The Aluminum and Brass make the machine have higher durability for working correctly in all conditions. The mixture also makes elastic properties to shape by any of the purposes of the application easily. The Aluminum Brass Tube is light in weight with excellent strength and outstanding corrosive resistance. These Tubes are classified as non-combustible, and even they don't release harmful gas into the environment. Aluminum Brass pipes and tubes are commonly utilized for power stations, brackish water, and marine purpose in which the velocity of cooling water or saltwater is high. It contains high resistance to resist impingement attacks. They have less stress corrosion as well as low susceptibility.

 

Specifications of Aluminium Brass Tubes

Specifications ASTM B111 / ASME B111
Outer Diameter 4mm to 150mm
Wall Thickness 0.25mm to 8mm
Type Seamless / Heat Exchangers / Condenser Tubes
Form Round, Square, Rectangular, Hydraulic Etc
Length 1m, 2m, 3m, 4m, 6m and as per requirement of clients
Cut Length Single Random, Double Random & Cut Length
Application Heat Exchangers, Refineries, Power Plants, Desalination Plants

 

Technical Specification of Aluminium Brass Tubes

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

 

Equivalent Grades of Aluminium Brass Tubes

SPECIFICATIONS DESIGNATION
ISO CuZn20Al2
Europen CuZn20Al2
BS CZ 110
EN CW702R
JIS H3300(92) C6870 T
Russian LAMs77-2-0.05
DIN 2.046

 

Chemical Composition of Aluminium Brass Tubing

Standard BS 2871 PART3 ASTM B 111 DIN 1785 NFA 51 102 JIS H3300 IS 1545
Symbol CZ 110 C 68700 CuZn20AI2 CuZn22AI2 C 6870 CuZn21AI2As
Cu 76.0-78.0 76.0-79.0 76.0-79.0 76.0-79.0 76.0-79.0 76.0-78.0
Al 1.8-2.3 1.8-2.5 1.8-2.3 1.8-2.5 1.8-2.5 1.8-2.3
Pb 0.07 0.07 0.07 0.07 0.07 0.07
Ni - - 0.1 - - -
Fe 0.06 0.06 0.07 0.06 0.06 0.06
Zn REM'DER REM'DER REM'DER REM'DER REM'DER REM'DER
As 0.02-0.06 0.02-0.06 0.02-0.35 0.02-0.06 0.02-0.06 0.02-0.06
P - - 0.01 - - -
Total Impurities Max.         -  
  0.03 - 0.1 0.3 - 0.3
Condition M 61 F39 - O O
  TA - F34 - - TA
  O - - - - D
Yield Strength n/mm2 - 125 1 50-230 - - 400Mpa Max.
  - 105 120-180 - - 355Mpa Min.
  - - - - - 415Map
Tensile n/mm2 Minimum - 345 390 - 373 -
  - - 340 - - -
Elng'Tion Percent (%) - - 45Min. - 40Min. 85Max.
  - - 55Min. - - 80-110
  - - - - - 130Min.
Hardness HV5 - 150Min - - 80-130 - -
  85-110 - - - - -
  75Max. - - - - -
Grain Size mm (75X) 0.05Max. 0.010-0.045 - 0.010-0.045 0.010-0.045 0.010-0.045

 

Brass Tube
Copper Brass Tube
Brass Thick Wall Copper Pipes
pressed and drawn seamless pipe

Physical Properties of Aluminium Brass Tubes

Coefficient of Thermal Expansion 10.3 10−6Per °F (68-572 F)
Density 0.301 lb/in3 at 68 F
Electrical Conductivity 23 %IACS @ 68 F
Electrical Resistivity 45.1 ohms-cmil/ft @ 68 F
Melting Point Liquid US 1780 F
Melting Point Solid US 1710 F
Modulas of Elasticity in Tension 16000 ksi
Modulas of Rigidity 6000 ksi
Specific Gravity 8.33
Specific Heat Capacity 0.09 Btu/lb/°F @ 68 F
Thermal Conductivity 58.0 BTU in/hr.ft2.°F @ 68 F

 

Rest all Aluminium Brass tubes types have same specifications

Category ASTM BS EN JIS DIN ISO IS
CuNi2.2 C70200 - - - - - -
CuNi11 C70800 - - - - - -
CuNi6 C70500 - CN 102 - - - -
Leaded Nickel Copper C19160 - - - - CuNiPb1P -

 

Copper products that GNEE can provide

copper pipe

Product Name

Straight Copper Pipe/Pancake Coil Copper Pipe/Capillary copper pipe

Material

C10100,C10200,C12000,C12200,C11000,T1,T2,T3,TP2,TU1,TU2,TU3,H62, H65,H70,etc

Standard

ASTM B280,ASTM B68,ASTM B75,ASTM B88 JIS H3300 EN12735,AS1571

Shape Type

Straight Round,Square,Rectangular,Coil,Oval,Half-Round

Wall Thickness

0.2-3mm

Out Diameter

3mm-100mm

Length

1M-6M or As your demand (Pancake copper tube usual length: 15 meters)

Cu

High Purity 99.9% Copper

Temper

Soft(M),Half Soft(M2) and Half Hard(Y2)

Surface Treatment

Bright and Clean

Package Type

Plastic Film With Plastic Caps on the both ends and Wooden Case Carton Package or as your demand

Application

Refrigerator,Condenser and Heat Exchange,Decoration,Water Tube,Precision Equipment etc

Get product catalog

 

copper rod/bar

Item

Straight copper rod/copper round bar

Standard

ASTM,DIN,BS,CDA,JIS,GB

Material

T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800,
C10910,C10920,TP1,TP2,C10930,C11000,C11300,C11400,C11500,
C11600,C12000,C12200,C12300,TU1,TU2,C12500,C14200,C14420,
C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,
C26000,C27000,C27400,C28000,C33000,C33200,C37000,C44300,
C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70600,
C70620,C71000,C71500,C71520,C71640,C72200,etc.

Shape

Round,Square,Rectangular,etc.

Specifications

Diameter:3~200mm

Length

3m,5.8m, 6m, 11.8m, 12m, or as required.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc

Surface

mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required.

Price term

EXW, FOB, CFR, CIF, etc.

Payment term

T/T

Package

Export standard package: bundled wooden box, suit for all kinds of transport,
or be required.

Delivery time

According to order quantity

Application

A copper rod is a type of colored metal processing bar stock with high electrical conductivity. It is mainly divided into brass
rods and copper rods. It is applied in water heating and bathroom fittings, small hardware, valves, marine pumps, atomizing device
structural components, friction accessories, etc.

Contact

If any requirement please feel free to inform me at any time.

Get product catalog

 

copper plate/sheet/strip

Size

Width: 10mm to 2000mm,
Thickness: 10mm to 500mm,
Length: 0.5m to 12m,
All sizes can be according to customer's requirements.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard.

Surface

Polished,bright,oiled,hair line,brush,mirror,or as required

Export to

Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,
Brazil,Thailand,Korea,Italy,India,Egypt,Oman,Malaysia,Kuwait,Canada, Viet Nam, Peru

Package

Plastic film with Wooden case or wooden pallet

Delivery time

Prompt delivery or upon your order quantity.

Quality Control

Mill Test Certification is supplied with shipment,Third Part Inspection is acceptable.

Application

widely used inair conditioners,refrigerators,electric,solar water heater, polished pipe an be used in decorative,such as stair rail.
Also can be made according to your required.

Shape

Round, Square, Oval, can be customized

Get product catalog

 

copper wire

Model Number

C11000, C10200, C12000, C12200 C26800 C27000 C35000 C38000 etc.

Color

Red Cppper , Brass

Hardness

1/16 hard, 1/8 hard, 3/8 hard, 1/4 hard, 1/2hard, full hard, soft, etc

Diameter

0.10mm-5.00mm

Insulation Material

Enameled

Certification

ISO9001

Advantages

High conductivity,Good solderability,High ductility

Coating

Double Layer or customized

Packing

Standard export package or seaworthy Package

 

 

 

Application

1. Pancake Coil for ACR, General Engineering Applications
2. LWC Coil for ACR, General Engineering Applications
3. Straight Copper Tubes for ACR and Refrigeration
4. Inner-grooved copper tube for ACR and Refrigeration
5. Copper Pipe for Transportation System of water, gas and oil
6.PE-coated copper tube for water/gas/oil transportation system
7.Semi-finished Copper tube for industrial applications

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copper CNC machined parts

Precision of piece:

+/-0.01mm

Roughness of piece:

Ra≤0.1

Quality standard:

DIN, ASTM, GOST, GB, JIS, ANSI, BS;

Drawing format:

JPEG,PDF,AI,PSD,DWG,DXF,IGS,STEP;

Products certification:

ISO9001:2008, CE, RoHS, SGS;

Dimension:

Dia.500mm or 850mm width

Available materials

Steel: carbon steel, alloy steel, stainless steel, 4140,20#,45# ,40Cr,20Cr ,etc

Aluminum: AL6061,AL6063,AL6082,AL7075,AL5052 etc.

Stainless steel: 201SS,301SS,304SS,316SS etc.

Brass: C37700,C28000, C11000,C36000 etc

Plastics: PTFE,PEEK,POM,PA,UHMW, NYLON

Surface treatment:

Steel parts

Stainless steel parts

Aluminum parts

Galvanization

Polishing

anodized

Black oxidation

Passivation

Sandblast anodized

Nickel plating

Laser engraving

Colorful anodized

Chrome plating

Sand blast

Brushed

Heat treatment

 

Polishing

Powder coated

 

Chrome plating

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Why choose us?

Since our establishment in 2008, our company has specialized in the production and export of copper products. We utilize advanced production lines and a comprehensive quality control system. From raw materials to finished products, every step is rigorously inspected using precision instruments (such as spectrometers, metallographic microscopes, and conductivity testers) to ensure that our products meet international standards for composition, dimensions, and performance. We are committed to providing high-quality, high-precision copper products and reliable service to our global customers.
Email:sales@gneesteel.com

 
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