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 |




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
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Product Name |
Straight Copper Pipe/Pancake Coil Copper Pipe/Capillary copper pipe |
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Material |
C10100,C10200,C12000,C12200,C11000,T1,T2,T3,TP2,TU1,TU2,TU3,H62, H65,H70,etc |
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Standard |
ASTM B280,ASTM B68,ASTM B75,ASTM B88 JIS H3300 EN12735,AS1571 |
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Shape Type |
Straight Round,Square,Rectangular,Coil,Oval,Half-Round |
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Wall Thickness |
0.2-3mm |
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Out Diameter |
3mm-100mm |
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Length |
1M-6M or As your demand (Pancake copper tube usual length: 15 meters) |
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Cu |
High Purity 99.9% Copper |
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Temper |
Soft(M),Half Soft(M2) and Half Hard(Y2) |
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Surface Treatment |
Bright and Clean |
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Package Type |
Plastic Film With Plastic Caps on the both ends and Wooden Case Carton Package or as your demand |
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Application |
Refrigerator,Condenser and Heat Exchange,Decoration,Water Tube,Precision Equipment etc |
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Item |
Straight copper rod/copper round bar |
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Standard |
ASTM,DIN,BS,CDA,JIS,GB |
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Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
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Shape |
Round,Square,Rectangular,etc. |
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Specifications |
Diameter:3~200mm |
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Length |
3m,5.8m, 6m, 11.8m, 12m, or as required. |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
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Surface |
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required. |
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Price term |
EXW, FOB, CFR, CIF, etc. |
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Payment term |
T/T |
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Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
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Delivery time |
According to order quantity |
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Application |
A copper rod is a type of colored metal processing bar stock with high electrical conductivity. It is mainly divided into brass |
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Contact |
If any requirement please feel free to inform me at any time. |
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Size |
Width: 10mm to 2000mm, |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard. |
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Surface |
Polished,bright,oiled,hair line,brush,mirror,or as required |
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Export to |
Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA, |
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Package |
Plastic film with Wooden case or wooden pallet |
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Delivery time |
Prompt delivery or upon your order quantity. |
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Quality Control |
Mill Test Certification is supplied with shipment,Third Part Inspection is acceptable. |
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Application |
widely used inair conditioners,refrigerators,electric,solar water heater, polished pipe an be used in decorative,such as stair rail. |
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Shape |
Round, Square, Oval, can be customized |
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Model Number |
C11000, C10200, C12000, C12200 C26800 C27000 C35000 C38000 etc. |
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Color |
Red Cppper , Brass |
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Hardness |
1/16 hard, 1/8 hard, 3/8 hard, 1/4 hard, 1/2hard, full hard, soft, etc |
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Diameter |
0.10mm-5.00mm |
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Insulation Material |
Enameled |
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Certification |
ISO9001 |
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Advantages |
High conductivity,Good solderability,High ductility |
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Coating |
Double Layer or customized |
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Packing |
Standard export package or seaworthy Package |
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Application |
1. Pancake Coil for ACR, General Engineering Applications |
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copper CNC machined parts
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Precision of piece: |
+/-0.01mm |
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Roughness of piece: |
Ra≤0.1 |
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Quality standard: |
DIN, ASTM, GOST, GB, JIS, ANSI, BS; |
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Drawing format: |
JPEG,PDF,AI,PSD,DWG,DXF,IGS,STEP; |
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Products certification: |
ISO9001:2008, CE, RoHS, SGS; |
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Dimension: |
Dia.500mm or 850mm width |
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Available materials |
Steel: carbon steel, alloy steel, stainless steel, 4140,20#,45# ,40Cr,20Cr ,etc |
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Aluminum: AL6061,AL6063,AL6082,AL7075,AL5052 etc. |
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Stainless steel: 201SS,301SS,304SS,316SS etc. |
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Brass: C37700,C28000, C11000,C36000 etc |
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Plastics: PTFE,PEEK,POM,PA,UHMW, NYLON |
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Surface treatment: |
Steel parts |
Stainless steel parts |
Aluminum parts |
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Galvanization |
Polishing |
anodized |
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Black oxidation |
Passivation |
Sandblast anodized |
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Nickel plating |
Laser engraving |
Colorful anodized |
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Chrome plating |
Sand blast |
Brushed |
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Heat treatment |
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Polishing |
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Powder coated |
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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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