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INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.6 E Cu
DIN 1733: EL-CuMn2
FEATURES & APPLICATIONS |
For joining and build-up on copper parts requiring corrosion resistance and thermal and/or electrical conductivity.
- Pure copper electrode for joining and build-up.
- Smooth arc characteristics allow easy joining of copper.
- Weld metal is extremely dense.
- High purity of weld metal allows for joining dissimilar grades of copper.
All Weld Metal Analysis (Typical Weight %) |
Microstructure: A multi-phase copper base structure with complex eutectoids.
Flux Color: Lt. Grey
|
Mn |
Al |
Si |
Pb |
Fe |
Other |
Cu |
|
.09 |
.07 |
.08 |
.02 |
.15 |
.50 |
Bal |
Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Tensile Strength 33,000 PSI (225 MPa)
Yield Strength 27,000 PSI (185 MPa)
Elongation 35%
Electrical Conductivity 25-45
Hardness Brinell 50-60
Welding Current & Instructions |
Recommended Current: DC Reverse (+)
| Diameter (mm) 3/32 (2.5) 1/8 (3.25) 5/32 (4.0) |
| Minimum Amperage 100 140 170
Maximum Amperage 130 170 200 |
Welding Positions: Flat, Horizontal, Vertical up, Overhead
Welding Techniques: Preheat thicker sections to 750°-1100°F (400°- 600°C). Use as large an electrode as possible and maintain a short arc.
Deposition Rates:
|
Diameter (mm) |
Length (mm) |
Weldmetal/ Electrode |
Electrodes per lb (kg) of Weldmetal |
Arc Time of Deposition min/lb (kg) |
Amperage Settings |
|
1/8 (3.25) |
14″ (350) |
.8 oz. (22g) |
20 (45) |
25 (54) |
115 |
|
5/32 (4.0) |
14″(350) |
1.1 oz (32g) |
14 (31) |
16 (36) |
155 |
|
3/16 (5.0) |
14″ (350) |
1.6 oz (45g) |
10 (22) |
13 (28) |
185 |
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) |
1/8 (3.25) |
5/32 (4.0) |
3/16 (5.0) |
| Length (mm) |
14″ (350) |
14″ (350) |
14″ (350) |
| Electrodes / lb |
12 |
7 |
5 |
| Electrodes / kg |
27 |
15 |
11 |