ECu Pure Copper Welding Electrode

Material: Copper / Copper Alloy
Diameter: 2.0mm, 2.5mm, 3.2mm, 4.0mm
Length: 300-500mm
Welding Current: International Standard
Operating Current: International Standard
Operating Temperature: International Standard
Color: Grey-white

ECu Pure Copper Welding Electrode

ECu Pure Copper Welding Electrode Application

ECu is a pure copper electrode used for joining and build-up on copper parts requiring corrosion resistance and thermal and/or electrical conductivity. A preheat of 750degrees-1100degrees F should be used for thicker sections. Use as large an electrode as possible and maintain a short arc.

This welding electrode can be used for welding of pure copper. Repairing welding of electrode holder, flange, etc. Also suitable for repairing welding of the parts which required electric conductivity.

2.004 OF – Cu C10100
2.006 E Cu C11000
2.007 SE – Cu C10300
2.0076 SW – Cu
2.008 F – Cu C11200
2.009 SF – Cu C12200
2.01 D – Cu C12500
2.011 SD – Cu
2.015 SB – Cu C14200
2.017 SA – Cu

ECu Pure Copper Welding Electrode Chemical Composition

Cu Si Sn P Mn Others
98.00 min 0.50 max 1.00 max 0.15 max 0.50 max 0.50 ma

Mechanical Properties

Tensile Strength Elongation Hardness
N/mm2 (ksi) % HB
220 (32) 32 50 – 55


1. It should be stored in a dry room (relative humidity < 50%, room temperature > 20°C) on wooden pallets.
2. It has to be dried at 350°C for 2 hours.
3. It can be dried maximum 5 times.

ECu Pure Copper Welding Electrode Typical Welding Parameters

Diameter (mm) Process Amps
 3.2  SMAW 115
 4.0  SMAW 155
 4.8  SMAW 185

Please note that the above specifications are “general specifications” that pertain to the majority of our production. These specifications should only be used for general, informational purposes. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All specifications are subject to change without prior notice. All pictures shown are for illustration purposes only. Actual product may vary.


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