Description
Wear resistant hardfacing plate substrate without rust process can be directly above the wear-resistant wear-resistant metal layer, Ming arc surfacing in the welding process without filling flux, eliminating the need for flux drying process, do not have to remove after welding slag. Adopt gas and water to mix and spray directly for forced cooling of the weldment to make the wear-resistant liner grain more refined to improve the wear-resistant lining of the wear-resistant lining and wear resistance and improve the adaptability of the weldment.
The main components of wear resistant hardfacing plate, low-carbon ferrochrome and graphite, and a small amount of ferromanganese, vanadium iron, molybdenum iron and ferro-tungsten alloy powder are added. After welding, the surface of the wear- Hardness, effectively hinder the abrasive fiber cutting, significantly improved the wear resistance of the substrate. Surfacing layer forming well, the surface smooth, and the substrate to form a good metallurgical combination of multi-layer surfacing by adjusting the flux cored wire and surfacing welding process parameters used to obtain the weld without inclusions, low dilution rate And uniform distribution of carbide surfacing layer.
Technicals
Base metal | Q235/Q345 or customized |
Hardfacing layer | Chromium carbide overlay |
Chemical composition | C: 3.5-5.0% Cr:15-30% |
Hardness | HRC58-62 |
Microstructure | Carbide (Cr7C3)volume fraction 30-50% |
Flatness tolerance | ±3mm/m |
Thickness tolerance | within 0-0.5mm |
Plate Size | 1500*3000mm,1450*3450mm,other sizes customised |
Details
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