Description
Carbo Durit E – 4 mm
- Standards DIN 8555 E21-GF-UM-60-GP
- DIN EN 14700 E Fe20
- Welding positions PA, PB
- Flux-cored wire equivalent CARBO F- Durit Fe
Characteristics
- CARBO DURIT E is a steel tube filled with fused tungsten carbides.
- It is a dip-coated electrode suitable form Manual Arc [MMA] welding on AC as well as on DC.
- The weld metal consists in a tungsten-steel-matrix with embedded tungsten carbides.
- The extraordinary hardness of the fused tungsten carbides (WSC) of approx. 2300 HV imply the high build-up wear resistance.
- The carbon content of the base metal should not exceed 0,45 % in order to avoid lack of fusion. However, the base material should have enough strength to avoid the penetration of the build-up in the base material.
Typical applications
- Hardfacing of tools and machine parts in the mining,
- Road construction, well digging, civil engineering,
- Deep drilling technology, where strongest abrasion by minerals may occur.
Recommendations
- To get the best results the welding areas should be properly cleaned of rust, grease, soil and similar pollutions.
- Preheating to 350-500°C is recommended.
- The lowest possible welding current should be used to avoid the melting of the carbide particles.
- The selection of the grain size and the rod diameter depend on the application and the size of the tool to be hard faced.
- Lower particle sizes are recommended when the wear from abrasion is dominant, bigger sizes for tool cutting faces for superior cutting results.
Mechanical properties of all-weld metal ( typical values )
Hardness of fused tungsten carbide HV: > 2300
Weld metal analysis (typical, wt. %)
- Fe: 40%
- WSC: 60%
- Current: + / ~ 50 V
Technical Details:
Dia./Length | Amperage (A) | Pcs./packet | Pcs./carton | kg/1000 | kg/packet | kg/carton |
---|---|---|---|---|---|---|
3.5 x 350 | 70 – 90 | 99 | 396 | 50.5 | 5.0 | 20.0 |
4.0 x 350 | 80 – 100 | 66 | 264 | 75.9 | 5.0 | 20.0 |
5.0 x 350 | 100 – 120 | 42 | 167 | 119.6 | 5.0 | 20.0 |
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