D608 cast iron welding electrodes Model: EDZ-A1-08 
 Description: cast iron welding electrodes, AC DC, reverse DC power is more appropriate, since surfacing metal is cast iron + chromium, manganese carbide, high hardness and wear resistance of sediment and ore good wear resistance. 
 Uses: used in agricultural machinery, mining equipment to withstand the impact of sand and minor wear and tear parts. 
 Chemical composition of deposited metal /% 
 C2.5-4.5 Cr3-5 Mo3-5 
 Surfacing hardness HRC: ≥ 55 

 D618 cast iron welding electrodes 
 Description: abrasive wear resistance of cast iron welding electrodes, welding layer-type high-carbon high-chromium cast iron carbide matrix + diffusion, surfacing, high hardness, but more brittle, and impact pressure and low capacity in order not to of abrasive wear resistance, low current should be adopted in order to facilitate the crystallization of hard phase overlay. 
 Uses: Used by welding with the lighter load, but requires a good anti-wear resistant parts, such as the Hammer hammer mill and so on. 
 Chemical composition of deposited metal /% 
 C ≤ 3 Cr15-20 Mo1-2 V ≤ 1 W 10-20 
 Surfacing hardness HRC: ≥ 58 

 D628 iron welding electrodes 
 Description: abrasive wear resistance of cast iron welding electrodes, welding layer-type high-carbon high-chromium cast iron carbide matrix + diffusion, surfacing, high hardness, heat resistance higher strength, but the surfacing layer hardness and brittle, pressure and impact on the ability and low resistance to abrasive wear in order not to affect performance, as far as possible a smaller current, in order to facilitate overlay hard phase crystals. 
 Uses: surfacing to withstand minor impact load, but requires a good wear resistance to abrasive wear parts, such as the Hammer hammer mill and so on. 
 Chemical composition of deposited metal /% 
 C 3-5 Cr 20-35 Mo 4-6 V ≤ 1 
 Surfacing hardness HRC: ≥ 60 

 D632A high chromium cast iron welding electrodes 
 Description: High chromium cast iron welding electrodes, AC DC, surfacing layer has good corrosion resistance, wear-resistant materials and high temperature abrasive wear resistance. 
 Uses: welding requires a good corrosion resistance, wear resistance, or temperature resistant materials, high temperature corrosion resistance, wear-resistant parts, such as dusting machines, trenching machines, rolling road machine, hammer and so on. 
 Chemical composition of deposited metal /% 
 C 2.5-5 Cr 25-40 
 Surfacing hardness HRC: ≥ 56 

 D638 high chromium cast iron welding electrodes 
 Description: High chromium cast iron welding electrodes, wear-resistant material with good abrasion resistance, AC-DC dual-use, stable arc, little spatter, almost no residue, high deposition efficiency. 
 Uses: requirements for welding materials with good anti-wear properties of wear resistant parts, such as hoppers, shovel blade, mud, hammer and so on. 
 Chemical composition of deposited metal /% 
 C 3-6.5 Cr 25-40 
 Surfacing hardness HRC: ≥ 56 

 D638Nb high chromium cast iron welding electrodes 
 Description: High chromium cast iron welding electrodes, has a good anti-abrasive wear resistance. 
 Uses: mainly used by the wear-resistant materials and high temperature wear parts wear parts serious repair. 
 Material (chemical composition of deposited metal%): 
 C 3-6.5 Cr 22-35 Nb 4-8.5 
 Surfacing hardness HRC: ≥ 60 

 D642 high chromium cast iron welding electrodes type: EDZCr-B-03 
 Description: High chromium cast iron welding electrodes, AC DC, surfacing layer has good anti-cavitation capability. 
 Use: Wear and corrosion resistance at room temperature and high temperature components of working conditions, such as turbine blades, high-pressure pump parts, such as blast furnace bell. 
 Chemical composition of deposited metal /% 
 C 1.5-3.5 Mn ≤ 1 Cr 22-32 other ≤ 7 
 Surfacing hardness HRC: ≥ 45 

 D646 high chromium cast iron welding electrodes type: EDCr-B-16 
 Description: High chromium cast iron welding electrodes, AC DC (AC welding load voltage space of not less than 70V), cladding layer has good anti-cavitation capability. 
 Use: Wear and corrosion resistance at room temperature and high temperature components of working conditions, such as turbine blades, high-pressure pump parts, such as blast furnace bell. 
 Chemical composition of deposited metal /% 
 C 1.5-3.5 Mn 1 Cr 22-32 other ≤ 7 
 Surfacing hardness HRC: ≥ 45 

 D656 cast iron welding electrodes Model: EDZ-A2-16 
 Description: cast iron welding electrodes, welding layer of high hardness, high abrasive wear resistance with good impact resistance, anti-oxidation and gas corrosion resistance, AC and DC welding before the subject (300-350) ℃ × 1h drying. 
 Uses: Used mainly by the middle under the impact of abrasive wear corrosion resistant parts, such as concrete mixers, high speed mixed sand, screw feeder and the working temperature does not exceed 500 ℃ of the blast furnace bell, ore crusher, coal hole excavator and so on. 
 Chemical composition of deposited metal /% 
 C 3-4 Si ≤ 2.5 Mn ≤ 1.5 Cr 26-34 Mo 2-3 other ≤ 3 
 Surfacing hardness HRC: ≥ 60 

 D658 high chromium cast iron welding electrodes 
 Description: High chromium cast iron welding electrodes, with excellent resistance to abrasive wear, operating temperature up to 650 ℃, both AC and DC arc stability, almost no residue. 
 Uses: severe wear and high temperature parts wear parts. 
 Chemical composition of deposited metal /% 
 C 3-6.5 Cr 20-35 Mo 4-9 Nb 4-8.5 V 0.5-2.5 W 2.5-7.5 
 Surfacing hardness HRC: ≥ 60 

 D667 high chromium cast iron welding electrodes type: EDZCr-C-15 
 Description: Solmar according to special high-chrome cast iron welding electrodes, using DC reverse, surfacing layer under 500 ℃ resistant to wear, corrosion and cavitation-resistant capacity, more than this temperature hardness of the surfacing layer decreased. 
 Use: strong wear resistant surfacing requirements, corrosion and corrosion at the occasion, such as cracking of the oil industry in the centrifugal pump sets, mining crusher, diesel engine parts and the valve cover. 
 Chemical composition of deposited metal /% 
 C 2.5-5 Si 1-4.8 Mn ≤ 8 Cr 25-32 Ni 3-5 ≤ 2 others 
 Surfacing hardness HRC: ≥ 48 

 D678 cast iron welding electrodes Model: EDZ-131-08 
 Description: cast iron welding electrodes containing tungsten, AC and DC. 
 Uses: crusher mining machinery and parts and other components subject to abrasive wear surfacing. 
 Chemical composition of deposited metal /% 
 C 1.5-2.2 W 8-10 other ≤ 1 
 Surfacing hardness HRC: ≥ 50 

 D680/D687 high chromium cast iron welding electrodes Model: EDZCr-D-15 
 Description: boron cast iron welding electrodes, the use of DCRP. Stable arc, little spatter, slag less easy to slag surfacing layer is difficult even with carbide cutting tools for cutting, only grinding, coarse microstructure of martensite + carbide composite. 
 Use: strong wear of the occasion, such as the cone bit small shaft, coal hole excavator to improve bucket, crusher rolls, pump box tube, the mixture leaves and so on. 
 Chemical composition of deposited metal /% 
 C 3-4 Si ≤ 3 Mn 1.5-3.5 Cr 22-32 B 0.5-2.5 ≤ 6 others 
 Surfacing hardness HRC: ≥ 58 

 D916 boron carbide hardfacing electrode 
 Description: material containing boron carbide wear resistant surfacing electrode, AC-DC dual-use, with good resistance to abrasive wear. 
 Use: strong abrasive wear by welding repair parts, such as the exhaust fan impeller, mud, coal chute chemical composition of deposited metal /% 
 C 2-3 Cr ≤ 5 B 1.5-2.5 ≤ 5 others 
 Surfacing hardness HRC: ≥ 64