Welding Electrode

Image:Example

Weldability by Resistance Welding for Each Material

Weldability and physical characteristic of each welding material and guideline for the electrode material selection are introduced.

Materials of Electrode

The list below shows rough standards to choose materials for an electrode, though it may be changed according to its surface treatment or dimensions.

Electrode Number Alloy Components Electric Conductivity
(IACS%)
Applicable Metal
02 (equivalent to RWMA-2) Cu-Cr-Zr around 80% iron, nickel, chrome and their alloys
03 (equivalent to RWMA-3) Cu-Ni-Be around 50% phosphor bronze, brass
00 pure Mo around 31% tinned copper wire,
solder plating copper wire
11 (equivalent to RWMA-11) Cu (30%) -W (70%) around 46% noble metal
13 (equivalent to RWMA-13) pure W around 32% copper
20 Cu-Al2O3 around 80% Battery Tab

Shape of Electrode

Electrode Number Shape Applicable Weld Head
EH-062-02A Image:EH-062 Shape NA-121
NA-141
EH-125-02A
EH-125-03
EH-125-20
Image:EH-125 Shape NA-121
NA-122
NA-123
NA-141
NA-142
NA-143
NA-60A
EH-125-00A
EH-125-11A
EH-125-13A
Image:EH-125 Shape
CC Alloy (3.2φ) Image:CC Alloy (3.2φ) Shape
EP-711-00F
EP-711-02F
Image:EP-711 Shape NA-131
NA-132
NA-141
NA-142
EP-406-00F
EP-406-02FA
Image:EP-406 Shape
Molybdenum Square Bar Image:Molybdenum Square Bar Shape
Electrode Number Shape Applicable Weld Head
EH-250-02A
EH-250-03
Image:EH-250 Shape NA-122
NA-123
NA-124
NA-142
NA-143
NA-60A
NA-43
EH-250-00A
EH-250-11A
EH-250-13A
Image:EH-250 Shape
EO-250-02A
EO-250-03
Image:EO-250 Shape
EO-250-00A
EO-250-11A
EO-250-13A
Image:EO-250 Shape
EH-250-02S Image:EH-250 Shape
EH-250-00S
EH-250-13S
Image:EH-250 Shape
CC Alloy (6.4φ) Image:CC Alloy (6.4φ) Shape
Electrode Number Shape Applicable Weld Head
EH-80-00 Image:EH-80 Shape NA-124
EH-60C Image:EH-60C Shape
EH-F-00 Image:EH-F Shape NA-125
NA-72
EH-F-02 Image:EH-F Shape
EH-200-00A 図:EH-200-00A形状 NA-126
EH-200-02A 図:EH-200-02A形状
EH-125-02E
EH-125-20E
Image:EH-125 Shape NA-141
NA-142
NA-143
Electrode Number Shape Applicable Weld Head
EL-125-02A
EL-125-03
Image:EL-125 Shape NA-54A
EL-125-00A
EL-125-11A
EL-125-13A
Image:EL-125 Shape
EL-54LA Image:EL-54LA Shape NA-54LA
EH-57A-02A Image:EH-57A Shape NA-57A
EH-58A-02 Image:EH-58A Shape NA-58A
EHC-250M4 Image:EHC-250M4 Shape NA-60A
Water Cooling Shank
WT-M25M4-00
WT-M25M4-02
Image:WT-M25M4 Shape
EHC-F Image:EHC-F Shape NA-72
Water Cooling Shank
EHM-72 Image:EHM-72 Shape NA-72
Water Cooling Shank Set
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