Product categories

Welding Electrodes

Welding Electrodes

General Information

Material

Cobalt-based, nickel-based and iron-based electrodes

Size

¢ 2. 4-5.6 mm (¢ 1/16-7/32 in)

Product feature

Good corrosion-resistance, oxidation-resistance, scratch-resistance, thermal shock resistance

and intermetallic wear resistance at room temperature and high temperature

Application

High-temperature and high-pressure valves, pumps, shearing tools, guide rollers, valve sealing surfaces,

roller bit bearings, centrifugal cracking pump shaft sleeves in the petroleum industry

 

 

 

 

 

 

 

 

 

 

Cobalt-Base Electrodes

   Grade    Main Chemical Composition(Weight%)    HRC  Application International Reference

Standard

Cr W Fe Ni Co
EdCo101 29.00 14.00 5.00 3.00 Bal. 50 Used to make rotating sealing ring, gouge type bearing, sleeves,

valve seat, cutter edge, etc.

AWS A5.13

ECoCr-C

EdCo106 29.00 4.50 5.00 3.00 Bal. 40 Pressure valve, hot shear blade, turbine blade, etc. AWS A5.13

ECoCr-A

EdCo112 29.00 8.50 5.00 3.00 Bal. 44 Used to make high-temp and high pres valve, shear edge,

sawteeth, spiral push rod, etc.

AWS A5.13

ECoCr-B

EdCo121 27.00 5.00 3.00 Bal. 20 Used to make high-temp and high-pres valve, water turbine blade,

hot forging dies, etc.

AWS A5.13

ECoCr-E

EdCo125 20.00 15.00 5.00 10.00 Bal. 22 Corrosion-resistant valve sealing surface seamless pipe socket,

pressure casting dies, etc.

 

 

Nickel-Base Electrodes

 

 Grade  Main Chemical Composition(Weight%)   HRC  Application International Reference

Standard

Cr Mo Fe W Ni
 EDCNi205  16.50 17.00 5.00 4.0 Bal. 25 For high temperature wear and impact resistant operating conditions, such as hot pressing die, hot forging die, etc AWS A5.13 

ENiCrMo-5A

 

 

Iron-Base Electrodes

 

Grade  Main Chemical Composition(Weight%) HRC  Application International Reference

Standard

C Cr Fe Other
EDCr-B 0.20 13.00 Bal. 5.00 ≥45 Surfacing of valve sealing surfaces and components exposed to weak acid or gas attack GB/T984-2001

 

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