Detalles
Aleación con carburo de cromo distribuidos en una matriz martensítica. Diseñada para resistir el desgaste por abrasión y bajo impacto.
Características
- Ampliamente recomendado para el revestimiento en aceros al carbono, baja aleación, inoxidables y al manganeso.
- Los depósitos están limitados a 2 capas como máximo
- Diseñado para resistir severa abrasión
- Deposits consist of primary carbides in a matrix of austenite-carbide eutectic
- Deposits should be limited to two layers
Aplicaciones Típicas
- Husillos Transportadores
- Trituradoras de rodillos, barras, martillos o de quijada.
- Cucharones o baldes para cargador
- Cuchillas para motoniveladora
- Maquinaria para la fabricación de ladrillos refractarios.
Posiciones de soldadura
- Plana y Horizontal
Servicio de información
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MECHANICAL PROPERTIES
| Classification | Number of layer | Hardness Rockwell C |
|---|---|---|
| Typical Result | 1 Layer | 57-60 |
| Typical Result | 2 Layers | 60-62 |
DEPOSIT COMPOSITION
| Classification | Number of layer | %C | %Cr | %Mn | %Mo | %Si | %V |
|---|---|---|---|---|---|---|---|
| Typical Result | 2 Layers | 5.0 | 23.0 | 0.8 | 2.3 | 1.0 | 0.6 |
TYPICAL OPERATING PROCEDURES
| Diameter | Polarity⁽¹⁾ |
Current
Amps |
|---|---|---|
| 1/8 in (3.2 mm) | DC+ | 100 - 140 |
| 1/8 in (3.2 mm) | AC | 110 - 150 |
| 5/32 in (4.0 mm) | DC+ | 130 - 180 |
| 5/32 in (4.0 mm) | AC | 140 - 200 |
| 3/16 in (4.8 mm) | DC+ | 210 - 250 |
| 3/16 in (4.8 mm) | AC | 230 - 270 |
NOTES
| Note |
|---|
| ⁽¹⁾ Preferred polarity is listed first. |
| NOTE: The deposit is not machinable or forgeable. Cooling rate does not significantly influence abrasion resistance. Deposit will usually cross check. |
| If more than two-layer build-up is required, use Wearshield® 15CrMn (preferred), Wearshield® BU or Wearshield® BU30 for the preliminary layer or layers under Wearshield® 60. |
| On manganese steel, use Wearshield® Mangjet® or Wearshield® 15CrMn as build-up. |
| Preheat is not generally necessary except to be sure that work is in room temperature range 25° - 45°C (75° - 100°F). |
| However, preheat of 120° - 200°C (250° - 400°F) may be necessary to prevent heat affected zone cracking on high carbon steel or low alloy steel base metals. |
| If more than two layers must be used, or if cross checks must be eliminated, preheat to 650°C (1200°F). |
| Prolonged or repeated heating of manganese steel base metal over 260°C (500°F) can cause embrittlement and spalling. |
| Avoid base metal embrittlement by: • Limiting the temperature 260°C (500°F) at distances of 13 mm (1/2 in) away from the weld. • Minimizing the time at elevated temperatures. |
| The correct welding technique is a vertical electrode with a 3.2 - 4.8 mm (1/8 - 3/16 in) arc length. The large ball on the end of the electrode should never touch the puddle. This technique will give a smooth transfer, low spatter and smooth bead. |