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Welding electrodes Е7018
Purpose
For welding low alloy and carbon structural steels
Electrode diameter
3 mm, 4 mm
Electrode length
350 mm, 450 mm
Welding position in space
In all spatial positions, except for vertical top-down
Coating
Basic coated
Scope of use
• welding of pipes during the installation of pipelines, the creation of non-rotating pipe joints;
• welding, repair of tanks operated under high pressure conditions;
• shipbuilding;
• mechanical engineering.
Package weight
5 kg
Specifications:
• Type of coverage - basic.
• Type of current - constant reverse polarity.
• Arc length - short, medium.
• Electrode length 3 mm - 350 mm.
Purpose
Appointment of electrodes E7018 3 mm, 4 mm.
Welding electrodes E7018 are intended for manual arc welding of especially critical structures made of carbon and low-alloy steels, when increased requirements for ductility and impact toughness are imposed on the weld metal.
Welding in all spatial positions, except vertical from top to bottom:
- bottom;
- vertical;
- ceiling.
The main area of use is in the installation of critical structures made of low-alloy steels, when increased strength of the joints is required.
Areas of use:
• welding of pipes during the installation of pipelines, the creation of fixed pipe joints;
• welding, repair of tanks operated under high pressure conditions;
• shipbuilding;
• mechanical engineering.
Peculiarities
Among the features are the following:
- The coating consists of fluorine compounds and carbonates - this gives easy ignition and high stability of the arc during welding.
- Due to the composition of the coating, the electrodes provide the best protection of the weld pool against atmospheric influences. The brand is optimally suited for work in open spaces. This makes it especially in demand in the construction and repair of bridge and pipe structures.
- The welded seam has increased toughness and ductility. Welded structures can be used in northern latitudes at low temperatures.
- The composition of the coating of the electrodes contains iron powder, which makes it possible to compensate for the volumes of metal splashed or burnt out during welding. Due to this, the consumption of rods of this brand is on average 10-15% lower than that of many products of other brands.
- Due to the presence of organic compounds in the coating, it demonstrates high resistance to moisture and dampness. As a result of welding, a smooth, homogeneous seam is formed without cavities and crystalline cracks, resistant to corrosion and mechanical stress and having a longer aging process.
Benefits
- Good initial and re-excitation of the welding arc.
- Soft and stable combustion in all recommended spatial positions (bottom, ceiling, vertical from bottom to top, horizontal on a vertical plane).
- Slag has good fluidity and is easily separated after solidification.
- Allow to obtain a good formation of welds in various spatial positions.
- The seam has a beautiful appearance.
- Recommended for welding pipe structures.