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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 |
Length |
Weldmetal/ |
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 |