Superior creep resistance
Excellent resistance to thermal fatigue
Ideal for multi-pass welding
High deposition efficiency
Product Overview
ISOARC E9018-B3 is a premium low hydrogen, iron powder electrode developed for welding 2.25% chromium – 1.0% molybdenum creep-resistant steels operating under severe elevated-temperature service conditions. The weld metal provides excellent tensile strength, oxidation resistance, creep resistance and long-term metallurgical stability, making it ideal for pressure equipment exposed to prolonged high-temperature operation.
Manufactured under strict quality control using internationally proven formulations, ISOARC E9018-B3 delivers exceptional weld quality with excellent arc stability, smooth metal transfer, easy slag removal and outstanding mechanical properties. It is specifically designed for critical fabrication and maintenance within the petrochemical, refinery, power generation and heavy process industries where weld integrity and long service life are essential.
Typical Applications
Steam headers
Heat Exchangers
High pressure steam piping
Superheaters
Maintenance work
Boilers
Technical Specifications
Classification
AWS A5.5 E9018-B3
Type
Premium Low Hydrogen, Iron powder coating
Current
AC or DCEP
Welding Positions
All except vertical down
Typical Use
For Welding 2.25%/ 1Mo creep resistant steels
Redrying Temperature
If electrodes become moist re-dry at 300deg C for 1 hour
Storage
Electrodes are vacuum packed use entire pack once opened
Mechanical Properties
Tensile Strength
> 620 Mpa
Yield Strength
> 540 Mpa
Elongation
> 18%
Chemical Composition
C 0.05 - 0.1
Mn 0.7 - 1.2
Si 0.3 - 0.7
Mo 0.90 - 1.2
P+S < 0.02
Cr 2.0 - 2.75
Why Choose ISOARC E9018-B3
Manufactured by Thuthuka Welding Products (Pty) Ltd
Delivers exceptional weld quality with excellent arc stability