Lincoln Electric Lincore 55 Hardfacing Cored Wire – 5/64″ Diameter, 14 lb Coil (ED011277)
The Lincoln Electric Lincore 55 Hardfacing Cored Wire is a flux-cored, self-shielded welding wire engineered to deliver exceptional resistance to metal-to-metal rolling or sliding wear, as well as mild abrasion. This 5/64-inch (2.0 mm) diameter wire comes in a 14-pound (6.4 kg) coil, identified by product number ED011277.
Key Features
- Superior Wear Resistance: Produces a martensitic deposit with some retained austenite, achieving a Rockwell Hardness of 50-59 (RHC), effectively resisting metal-to-metal wear and mild abrasion.
- Versatile Application: Suitable for use on carbon steel, low alloy steel, and manganese steel substrates.
- Unlimited Layering: Allows for the application of unlimited layers with appropriate preheat and interpass temperature control.
Typical Applications
- Crane wheels
- Blower blades
- Rail ends
- Skip guides
- Cams and transfer tables
Welding Positions
Mechanical Properties
| Number of Layers |
Hardness (Rockwell C) |
| 1 Layer |
50-59 |
| 2 Layers |
50-60 |
| Work-Hardened (1 Layer) |
53-62 |
| Work-Hardened (2 Layers) |
56-62 |
| Flame-Hardened (2 Layers) |
52-54 |
| 180°C (350°F) Interpass Temp (1 Layer) |
50-55 |
| 180°C (350°F) Interpass Temp (2 Layers) |
55-59 |
Chemical Composition
| Element |
Percentage (%) |
| Aluminum (Al) |
1.4 |
| Carbon (C) |
0.45 |
| Chromium (Cr) |
5.3 |
| Manganese (Mn) |
1.4 |
| Molybdenum (Mo) |
0.8 |
| Phosphorus (P) |
0.010 |
| Sulfur (S) |
0.004 |
| Silicon (Si) |
0.60 |
Typical Operating Procedures
| Wire Feed Speed (m/min) |
Voltage (V) |
Approx. Current (A) |
Deposition Rate (kg/hr) |
| 3.2 |
24 |
190 |
3.2 |
| 5.1 |
27 |
295 |
5.0 |
| 6.4 |
30 |
330 |
6.2 |
The Lincoln Electric Lincore 55 Hardfacing Cored Wire is an excellent choice for applications requiring durable, wear-resistant surfaces on carbon, low alloy, and manganese steels. Its self-shielded design and compatibility with flat and horizontal welding positions make it a versatile solution for various industrial hardfacing needs.
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