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E7018-1H4 low hydrogen welding electrode

Short Description:

Iron-powder low hydrogen type electrode for all-position welding of 490N/mm2 grade high tensile steel.


Product Detail

Product Tags

AWS A5.1 E7018-1 H4
EN ISO 2560-A-E 46 4 B 12 H5
JIS Z 3211 E4918-1 H5
Characteristics and Application
AWS A5.1 E7018-1 H4 Welding rods, welding electrode is an iron-powder low hydrogen type electrode for all-position welding of 490N/mm2 grade high tensile steel. It is designed for single and multiple pass applications. The product has good welder appeal and produces a stable arc with low spatter generation. it produces weld metals with excellent mechanical properties and impact toughness at low temperature (-45℃) and low diffusible hydrogen. Its features make the product suitable for low alloy steels, medium carbon steels, heavy steel plates, cast steels, aluminum killed steel of LPG and especially for welding of steels with poor weldability.

Typical chemical Composition of Weld Metal (%)

C Mn Si P S
0.065 1.40 0.60 0.020 0.070

Typical Mechanical Properties of Weld Metal

Yield strength Tensile strength Elongation Charpy V-Notch(-45℃)
520Mpa 620Mpa 32% 120J
Notes on usage:
1. Unless the storage condition is secured and the packing is not damaged, we highly recommend to dry the electrodes at 350-400℃ for 1-2 hours before using.
2. Take the back-step method to prevent blowholes at the arc starting.
3. Maintaining short arc length is highly recommended to prevent moisture pick-up.
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