Copper Tubes have long been favored in various industrial applications, due to their exceptional thermal conductivity, durability, and corrosion resistance, particularly in heat exchangers and locomotives. These properties make copper ideal for systems requiring efficient heat transfer and longevity.
Copper Tubes for Heat Exchangers
Copper tubes play a major role in facilitating heat transfer between two fluids within the heat exchanger. Copper has a high thermal conductivity of about 400 W/mK, ensuring quick heat transfer. This is vital for industries such as HVAC (Heating, Ventilation, Air Conditioning), power generation and refrigeration, where operational efficiency depends on the optimal temperature levels. Furthermore, copper is malleable enough to be coiled or shaped into other configurations, thus increasing the surface area available for heat exchange without compromising system integrity. Moreover, copper will not corrode, especially from water or atmospheric conditions, extending the life span of these equipment since they do not need frequent maintenance.
Copper Tubes for Locomotives
Copper tubes are mainly used in locomotive engine cooling systems. The cooling system must be robust and reliable to cool down the intense heat generated by a moving train's engine and ensure efficiency. Copper is also preferred for use in radiator tubes within a locomotive's engine due to its excellent dissipation abilities associated with it when compared to other metals like aluminum, which cannot withstand prolonged high temperatures like this one. In addition to being able to stand up against some kinds of corrosion brought about by engine fluids, such as coolant, etc., this metal can endure extreme temperatures without degrading, further proving its appropriateness in such an environment. Besides, even under harsh conditions, copper's strength is such that it remains functional over long periods, thus improving the effectiveness of railway transportation in terms of reliability.
In both systems heat exchangers as well as locomotives, durability constitutes another advantage enjoyed with regards to using copper tubing.` Various forms of copper corrosion, including crevice, pitting, and stress corrosion cracking, are important in maintaining the system's performance. The tubes in heat exchangers often have to tolerate a range of chemicals and high-temperature fluctuations, but the fact that copper can withstand such conditions without degrading means it lasts for a long time. Similarly, copper tubes cope with constant locomotive vibrations and mechanical stresses. Rail transport is tough on these tubes due to their nature, making it necessary that they are strong enough not to be repaired or replaced frequently.


Specifications of Copper Tube For Heat Exchangers & Locomotives
| Standard | ASTM B68 / ASTM B75 / ASTM B280 / ASTM B88 / JIS H 3300 / EN1057 or BS2871: PART 2:1972 / DIN 1754/8905/ IS2501 |
| Specification | ASTM B280, JIS H3300, AS/NZS1571.JIS3300-2006 |
| Description | Copper Pipe and Tube For Heat Exchangers & Locomotives |
| Material | TU2, C1020T, C10200, T2, C1100, TP1, C1201T, C1200, TP2, C1220T, C12200, C14200, C19400, etc |
| Outer Diameter(OD) | 4mm to 150mm |
| Wall Thickness : | 0.2mm~5mm |
| Length | 1m, 2m, 3m, 6m, or as required. |
| Types | Seamless Pipes, Tube / Inner Grooved Pipes / Square Pipes, Tube / Rectangular Pipes, Tube / Finned Pipes, Tube |
| 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. Semi-finished Copper tube for industrial applications |
about GNEE

why choose our products
Our company is equipped with advanced production lines capable of extruding, drawing, refining, and processing copper rods, copper tubes, copper busbars, and special-shaped copper products. To ensure every single product meets international standards, we have established a comprehensive quality control center. This center is furnished with a range of high-precision testing equipment, including spectrometers, metallurgical microscopes, universal material testing machines, and conductivity testers. This allows us to perform rigorous checks on raw materials, semi-finished, and finished products, covering chemical composition, physical properties, and non-destructive testing.
If you need any help, please contact us immediately:sales@gneesteel.com
Other product forms provided by GNEE
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Material |
Brass:C21000,C22000,C22600,C23000,C24000,C26000,C26130,C26800,C27000,C27200,C27400, C2800,H59,H62,H70,H65,H80,H90,CuZn30,CuZn37,CuZn35,CuZn40,etcLeaded |
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Diameter |
1/4",3/8",1/2", 5/8", 7/8" or customized |
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Thickness |
0.5/0.6/0.7/0.8/1 or Customized |
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Length |
15m/50ft or customized |
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Standard |
JIS,AISI,ASTM,GB,DIN,EN |
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Price Term |
x-Work,FOB,CNF,CFR,CIF,FCA,DDP,DDU,etc |
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Payment Term |
TT,L/C,Western Union,D/P,etc |
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Application |
refrigeration,installation of air conditioner,construction water and gas |
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Package |
Standard export package,suit for all kinds of transport,or as required. |
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Material |
Copper, Brass, Bronze and special copper alloy |
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Grade |
ASTM |
C10100,C11000,C12200,C21000,C22000,C23000,C24000,C26000, |
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G/B |
TU1,T2,TP2,H96,H90,H85,H80,H70,H65,H63,H62,H59,HPb63-3, |
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JIS |
C 1011,C 1100,C 1220,C3604,C 2100,C 2200,C 2300,C 2400, C 2600, |
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BS |
Cu-OFE,C 101,Cu-DHP,CZ 125,CZ 101,CZ 102,CZ 103,CZ 106,CZ 107, CZ 108,CZ 109,CZ 123,CZ 124, CZ 121,CZ 111,CZ 133, Pb 104, |
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DIN/ISO |
CuZn5,CuZn10,CuZn15,CuZn20,CuZn30,CuZn35,CuZn33,CuZn36, |
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Shape |
Round, Square, Flat, Hexagon, Oval, Half-round or Customized |
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Dimension |
Bar/Rod |
Standard(Diameter 5-160 mm) or Customized |
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Wire |
Standard(Diameter 0.02-6 mm) or Customized |
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Plate/Sheet |
Standard(T 0.2-50 mm/W 200-3000 mm/L 6000 mm) or Customized |
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Strip |
Standard(T 0.05-1.5 mm/W 20-600 mm/L 20000 mm) or Customized |
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Tube/Pipe |
Standard(OD 3-360mm/Wall thickness 0.5-50 mm) or Customized |
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Standard |
GB/T,JIS,ASTM, ISO, DIN, BS, NF etc. |
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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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Package |
Plastic film + Wooden case or as per customer requirement |
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Surface |
Polished,bright,oiled,hair line,brush,mirror,or as required |
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Deliver time |
According to order's quantity. |
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Shipment |
By sea, by air, DHL, UPS, FedEx etc. or as required |
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Application |
Electric light industry, machinery manufacturing, Building industry ,defense industry, and other fields Manufacturing industrial |
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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 |
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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Export to |
Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, |
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Application |
Copper plates are mainly used in electrical conductivity, heat conduction, and corrosion-resistant equipment. For instance, they are applied in wires, cables, conductive screws, blasting detonators, evaporators for chemical industries, storage containers, and various pipelines, etc. They can also be used as force-bearing parts for various deep drawing and bending manufacturing processes, such as pins, rivets, washers, nuts, conduits, pressure gauges, screens, and radiator parts, etc. |
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Contact |
If any requirement please feel free to inform me at any time. |
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Grade |
C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920, C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300, 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,C70620, C71000,C71500,C71520,C71640,C72200,T1,T2,T3,etc |
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Standard |
JIS ASTM DIN EN ISO |
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Diameter |
0.3-5mm/custom |
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Length |
custom |
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Surface |
mill,polished,bright,mirror,hair line,brush,checkered,antique,sand blast,etc |
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Application |
Building, industry etc |
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Payment Terms |
T/T or L/C at sight |
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Delivery time |
5-15 days after receiving L/C or deposit |
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Remark |
Specific requirement of alloy grade,temper or specification can be discussed at your request |







