Are you interested in welding copper with an inverter? The supplier Evek GmbH offers to buy welded copper at an affordable price in a wide range. We provide delivery of products anywhere in the continent. The price is optimal.

Using inverter machines for welding

As is known, in welding inverters there is a double conversion of the welding current, as a result of which the welding is actually a constant current. Arc welding of copper is usually carried out in reverse polarity. It is possible to weld (and surfacing) copper products successfully using an inverter if the following conditions are met:

• The welded copper workpieces should be preheated to a temperature of not less than 350 ... 500 ° C (with increasing thickness the temperature should increase);
• The chemical composition of the parts to be welded shall be free of oxygen;
• Welding is not carried out continuously, and the length of which should not exceed 25 ... 30 mm;
• Between the inclusions of the welding inverter should be a pause of not less than 4 ... 6 minutes, during which the product is cooled in calm air;
• For welding with an inverter special electrodes should be used that provide reliable non-detachable connection of metals with high thermal conductivity.

Supplier Evek GmbH offers to buy welded copper of domestic and foreign production at an affordable price in a wide range. We provide delivery of products anywhere in the continent. Price is optimal.

Characteristics of the electrodes used

Komsomolets" electrodes are used for inverter welding. They are also designed for welding copper products with steel. Welding is done with lower or tilted position of weld. In addition to copper, the electrodes contain about 5.1% of manganese, 0.75% of silicon and up to 0.80% of iron. As a result of welding, the mechanical characteristics of the weld zone are:

• Tensile strength, MPa - 400...410;
• yield strength, MPa - 230;
• Relative elongation at tension, % - 23...25;
• Impact toughness, ^J/cm2 - 50.

Buy. Supplier, price

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