D802 

EDCoCr-A-03   

Direct current

Used in situations where good wear resistance and corrosion resistance can be maintained even at around 650 ℃, or in areas that can withstand impact and alternating cold and heat, such as welded high-temperature and high-pressure valves and hot shear blades.   

HRC≥40   

D812 

EDCoCr-B-03   

Direct current

Used for shaft sleeves and inner liners of high-temperature and high-pressure valves, high-pressure pumps, and cutting edges of chemical fiber equipment.  

HRC≥44   

D822 

EDCoCr-C-03   

Direct current

Used for welding worn parts such as roller bit bearings, rotating impellers of boilers, grinding machine blades, and spiral feeders.  

HRC≥53   

D832 

EDCoCr-C-03  

Direct current

Usage: Turbine blades, valve seats, hot stamping dies.  

HRC≥23   

D842 

EDCoCr-D-03   

Direct current

Used for welding workpieces that withstand impact and alternating cold and hot conditions under high temperature conditions, such as hot forging dies, valve sealing surfaces, etc., with good performance.  

HRC≥28-35  

D852 

EDCoCr-E-04    

Direct current

Used for high-temperature wear resistant welding rods, with a working temperature of 1100 ℃, possessing red hardness and strong resistance It can also be used for high-temperature, high-pressure valve hot section molds, and other components that can withstand impact and high temperature, and are corrosion-resistant  

HRC≥44  

D862 

EDCoCr-E-05       

Direct current

The tooth crown grate plate of the single roll crusher and the rotating material chute of the blast furnace used for welding high-temperature workpieces have significant wear resistance.    

HRC≥64-66  

D862 

EDCoCr-E-05       

Direct current

The tooth crown grate plate of the single roll crusher and the rotating material chute of the blast furnace used for welding high-temperature workpieces have significant wear resistance.    

HRC≥64-66  

D907 

EDCoCr-E-05       

Direct current

Used for hot cutting.  

HRC≥40   

D90sc 

D90sc       

Direct current

Used for excavating equipment, crushing rollers, hammers

HRC≥52   

D91 

D91      

Direct current

Crusher rollers, hammer heads, and mud pump components

HRC≥55 

D94 

D94      

Direct current

Bucket teeth, mixer, mining equipment

HRC≥53   

D945 

D945      

Direct current

Corrosion resistant, high-temperature resistant, and wear-resistant applications

HRC≥58   

D997 

D997      

Direct current

Low hydrogen high-speed steel welding rod

HRC≥56   

Cobalt based No.1

Cobalt based No.1

Direct current

Valve seats, bearings, etc

HRC≥48   

Cobalt based No. 6

Cobalt based No. 6

Direct current

Engine valves, high temperature and high pressure valves, turbine blades

HRC≥40   

Cobalt based No.12

Cobalt based No.12

Direct current

High temperature and high pressure valves, serrations, spiral push rods, etc

HRC≥44   

Cobalt based 21

Cobalt based 21

Direct current

Turbine blades, valve seats, hot stamping dies

HRC≥23   

Cobalt based 23

Cobalt based 23

Direct current

Low hydrogen type welding rod, used for forging dies and punching dies

HRC≥44