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| INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.13 E CoCr-C
EN 14700 E Co3
DIN 8555: E20-UM-55-CTZ
| FEATURES & APPLICATIONS |
Hardest cobalt based electrode with very low coefficient of friction.
- Extremely smooth running Alloy 1 Cobalt electrode.
- Extra hardness for maximum edge retention.
- Slag is self releasing.
- Weld deposits are unusually fine rippled and uniform.
- Available bare as product code 1291.
- Special technology also performs on AC current.
| All Weld Metal Analysis (Typical Weight %) |
Microstructure: Cobalt based austenite with some carbides and other complex phases.
Flux Color: Grey
Tip Color: Orange
| C | Mn | Si | Cr | Fe | Mo | Ni | W | Co |
| 2.1 | .8 | 1.0 | 30 | 4 | 1 | 3 | 12.5 | Bal. |
| Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Hardness
Room Temperature: 68°F (20°C) Rockwell C57
Work Hardened Rockwell C60
Elevated Temperatures: 750°F (400°C) Rockwell C49
1110°F (600°C) Rockwell C45
1475°F (800°C) Rockwell C42
1620°F (900°C) Rockwell C40
| Welding Current & Instructions |
Recommended Current: AC or DC Reverse (+)
| Diameter (mm) | 3/32 (2.5) | 1/8 (3.25) | 5/32 (4.0) |
| Minimum Amperage | 65 | 80 | 100 |
| Maximum Amperage | 85 | 110 | 130 |
Welding Techniques: Preheat massive parts to 570°F (300°C). Minimize amperage during welding.
Welding Positions: Flat, horizontal
Deposition Rates:
| Diameter (mm) | Length (mm) | Weldmetal/ Electrode | Electrodes per lb (kg) of Weldmetal | Arc Time of Deposition min/lb (kg) | Amperage Settings | Recovery Rate |
| 3/32 (2.5) | 14″ (350) | .80 oz. (22g) | 20 (44) | 19 (42) | 75 | 130% |
| 1/8 (3.25) | 14″(350) | 1.2 oz (33g) | 13 (29) | 14 (31) | 95 | 130% |
| 5/32 (4.0) | 14″ (350) | 1.56 oz (44g) | 10 (22) | 11 (24) | 115 | 130% |
| APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) | 3/32 (2.5) | 1/8 (3.25) | 5/32 (4.0) |
| Length (mm) | 14″ (350) | 14″ (350) | 14″ (350) |
| Electrodes / lb | 18 | 11 | 7 |
| Electrodes / kg | 40 | 25 | 16 |