Gnee Steel (tianjin) Co., Ltd

Copper tubes for earthing systems

Sep 24, 2025

Copper tubes for earthing systems have unique qualities and advantages that make them a better choice than other materials. These earth rods, which are made of high-grade copper, offer a high level of conductivity, durability and dependability.

Firstly, copper tubes for earthing systems provide superior electrical conductivity. Copper is among the metals with the best conduction properties, making it an efficient grounding choice. In fact, due to this high current-carrying capacity, fault currents can easily be dissipated quickly, protecting electrical equipment and thereby reducing the risk of electric shock or fire. For this reason, copper tubes are indispensable in earthing systems used in residential homes, commercial buildings and industrial setups.

Moreover, copper tubes possess substantial resistance against corrosion, which is essential towards their long-term performance when used in earthing systems. Grounding systems must survive various environmental conditions, including moisture and chemicals found in soil. The natural resistance of copper against oxidation ensures that these tubes remain effective throughout their entire service life without compromising their strength levels or conductance capabilities. As a result, durability helps minimize frequent replacements or maintenance, leading to cost-saving measures and even increased safety.

Another advantage of copper tubes is their eco-friendliness, as they meet sustainable development goals. The metal is 100% recyclable, meaning that after serving its purpose, it could still be repurposed, thus minimalizing harm to the environment. This makes this mineral ideal in modern buildings that aim to be green enough.

Compared with alternatives like galvanized steel or aluminium, copper tubing provides certain benefits concerning earthing. In contrast to other materials, such as galvanized steel or aluminium, copper tubes are advantageous for earthing systems. Consequently, initially, it is cheaper than the latter. Unlike copper, it behaves well in electrical conduction and resists corrosion for a long time; this makes the performance of equipment unreliable and more expensive due to the regular maintenance required for its removal. Additionally, aluminium does not match copper's conductivity and is easily subjected to mechanical damage.

 

Copper Tubes for Earthing System Specification

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
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
Cut Length Single Random, Double Random & Cut Length
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

 

Astm B133 Copper Water Pipe
Astm B124 Copper Plumbing Pipe
ASTM B280 straight copper brass tube
ASTM B280 AC air Conditioner Copper Pipe
 

Copper products that GNEE can provide

copper pipe

 

Product name
Copper Pipe / Tube
Round copper pipe
Wall thickness: 0.2-120mm
Outside Diameter: 2mm~910mm
Rectangular copper pipe
Wall thickness: 0.2mm~910mm
Size: 2mm*4mm~1016mm*1219mm
Hardness
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc
Standard
GB/T5231-2001.GB/T1527-2006.JISH3100-2006, JISH3250-2006, JISH3300-2006, ASTM-B152M-06, ASTM-B187, ASTM-B75M-02, ASTM-B42-02, ASTM-B370 /ASTM-B152 etc
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.
Usage
Pressure vessels, Heat exchangers, Cotter, pins, Rivets, Radiators, Gaskets, Roofing, Gutters
Package
Standard export package,suit for all kind of transport,or as required.

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copper rod/bar

 

Material

Copper, Brass, Bronze and special copper alloy

Grade

ASTM

C10100,C11000,C12200,C21000,C22000,C23000,C24000,C26000,
C27000,C26800,C27200,C27400,C28000,C36500,C33000,C35300,
C35600,C36000,C38500,C44300,C46400,C52100,C54400,C62300,
C65500,C67500,C67600,C86300,C90700,C93200,C95400 etc.

G/B

TU1,T2,TP2,H96,H90,H85,H80,H70,H65,H63,H62,H59,HPb63-3,
HPb66-0.5,HPb62-2,HPb62-3,HPb59-3,HSn70-1,HSn62-1,QSn8-0.3, QSn4-4-4,QAl9-4,QSB-1 etc.

JIS

C 1011,C 1100,C 1220,C3604,C 2100,C 2200,C 2300,C 2400, C 2600,
C 2700,C 2680,C 2720,C 2800,C 4430,C 4640,C 5210, C 5441, CAC304 etc

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,
CS 101, CuSn10P etc.

DIN/ISO

CuZn5,CuZn10,CuZn15,CuZn20,CuZn30,CuZn35,CuZn33,CuZn36,
CuZn37,CuZn40,CuZn40Pb,CuZn37Pb2,CuZn36Pb3,CuZn39Pb3,
CuZn28Sn1,CuZn38Sn1,CuSn8,CuSn4Pb4Zn3,CuSi3Mn,CuZn25Al5,
CuSn10, CuSn7Zn3Pb7 etc.

Shape

Round, Square, Flat, Hexagon, Oval, Half-round or Customized

Dimension

Bar/Rod

Standard(Diameter 5-160 mm) or Customized

Wire

Standard(Diameter 0.02-6 mm) or Customized

Plate/Sheet

Standard(T 0.2-50 mm/W 200-3000 mm/L 6000 mm) or Customized

Strip

Standard(T 0.05-1.5 mm/W 20-600 mm/L 20000 mm) or Customized

Tube/Pipe

Standard(OD 3-360mm/Wall thickness 0.5-50 mm) or Customized

Standard

GB/T,JIS,ASTM, ISO, DIN, BS, NF etc.

Hardness

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

Package

Plastic film + Wooden case or as per customer requirement

Surface

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

Deliver time

According to order's quantity.

Shipment

By sea, by air, DHL, UPS, FedEx etc. or as required

Application

Electric light industry, machinery manufacturing, Building industry ,defense industry, and other fields Manufacturing industrial

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copper plate/sheet/strip

 

Product name

Copper plate

Width

500-2000mm or as customer request

Thickness

0.2-120mm or as customer request

Length

1000-6000mm or as customer request

Processing service

Welding, stamping, cutting, bending, unwinding

Application

Widely used in electrical industry, medical equipment, construction, chemical,
food industry, agriculture, and Marine components.

Export packing

Standard Marine packaging or custom packaging

Price Terms

FOB CIF CFR,or We can also go into detail

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copper wire

 

Product Name

Copper Wire

Standard

AISI, ASTM, BS, DIN, EN, GB, JIS

Diameter

0.6mm / 0.8mm / 0.9mm / 1.0mm / 1.2mm / 1.6mm

Thinckness

0.12mm-3.0mm

Cu Content (%)

99.998%

Alu-Zinc coating

30-180g/m2

Material

C21000,C22000,C22600,C23000,C24000,C26000,C26130,C26800,C27000,C27200,C27400, etc.

Package

Standard seaworthy export packing:

3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside

GI steel sheet to be covered by steel strips with lock, with inner coil sleeve

Certification

ISO, SGS, CE

Delivery

8-20 days

Payment Terms

T/T, LC, Western Union, Paypal, etc.

MOQ

1 Ton

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copper CNC machined parts

 

Processing

CNC Turning,CNC Milling,Laser Cutting,Bending,Spining,Wire Cutting,Stamping, Electric Discharge Machining(EDM),Injection Molding,3D Printing,Rapid Prototype,Moulds etc.

Materials

Aluminum:2000 series,6000 series,7075,5052,etc.

Stainlesss steel:SUS303,SUS304,SS316,SS316L,17-4PH,etc.

Steel:1214L/1215/1045/4140/SCM440/40CrMo,etc.

Brass:260,C360,H59,H60,H62,H63,H65,H68,H70,Bronze,Copper

Titanium:Grade F1-F5

Plastic:Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.


Surface Treatment

Anodized,Bead Blasted,Silk Screen,PVD Plating,Zinc/NickI/Chrome/Titanium Plating,
Brushing,Painting,Powder Coated,Passivation,Electrophoresis,Electro Polishing,
Knurl,Laser/Etch/Engraveetc.

Tolerance

+ / - 0 . 0 1 m m

Surface
Roughness

Min Ra 0.1~3.2

CERTIFICATE

ISO9001:2015,IOS14001:2015,ROSH.

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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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