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| INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.13 E Fe6
DIN 8555: E4-UM-60-ST
| FEATURES & APPLICATIONS |
For repair and reclamation of high speed cutting and machining tools.
- High hardness tool steel electrode for high speed tool steels.
- Deposits maintain a very sharp edge.
- Alloying elements include tungsten, molybdenum and vanadium.
- Weld metal maintains many of its properties at elevated temperatures.
| All Weld Metal Analysis (Typical Weight %) |
Microstructure: In the as-welded condition, the microstructure consists of partially tempered martensite with carbides and some retained austenite.
Flux Color: Grey
| C | Mo | Mn | W | Si | V | Cr | Fe |
| .8 | 7 | .6 | 1.5 | 1 | 1.4 | 4.5 | Bal |
| Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Hardness (as welded) Rockwell C 60-62
Hot Hardness Rockwell C 56 at 1100°F (600°C)
Heat Treated Rockwell C 63-65
| Welding Current & Instructions |
Recommended Current: DC Reverse (+), Straight (-) or AC
| Diameter (mm) | 3/32 (2.5) | 1/8 (3.25) | 5/32 (4.0) |
| Minimum Amperage | 45 | 80 | 110 |
| Maximum Amperage | 90 | 120 | 150 |
Welding Techniques: When welding on tool steel, preheat the part to 1100°F (600°C) and maintain this temperature during welding. Allow parts to cool slowly.
Welding Positions: Flat, Horizontal, Vertical up
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) | .45 oz (12g) | 36 (78) | 30 (66) | 70 | 120% |
| 1/8 (3.25) | 14″(350) | .93 oz (25g) | 17 (38) | 20 (44) | 100 | 120% |
| 5/32 (4.0) | 14″ (350) | 1.2 oz (34g) | 13 (29) | 17 (37) | 130 | 120% |
| 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 | 19 | 12 | 9 |
| Electrodes / kg | 42 | 26 | 20 |