Model	GB	AWS	Purpose
D802	EDCoCr-A-03	ECoCr-A	Used for high temperature N grinding and corrosion resistance, such as high temperature and high pressure valves, valves, hot shear blades, hot forging die, etc.
D812	EDCoCr-B-03	ECoCr-B	Used for surfacing welding of high temperature and high pressure valves, sawteeth of wood, various cutting edges and hot finishing roll in chemical industry.
D822	EDCoCr-C-03	ECoCr-C	Used for surfacing of boiler rotating impeller, mill knife edge, screw feeder, steel rolling guide and other wear parts.
D842	EDCoCr-D-03	ECoCr-D	It is a surfacing electrode of titanium-calcium coating and cobalt-chrome-tungsten alloy core. It is used for surfacing of workpiece affected by impact and staggered hot and cold under high temperature conditions, such as hot forging die, valve sealing surface, etc. It also has good performance.
D852	EDCoCr-E-03	ECoCr-E	It is a surfacing electrode of titanium-calcium coating and cobalt-chrome-tungsten alloy core. It has excellentabrasion resistance and corrosion resistance. It is suitable for surfacing of workpiece affected by impact and alternating hot and cold under high temperature conditions, such as hot forging die, hot extrusion die, hot shear blade and valve sealing surface.

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