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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 170Maximum 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 |