Annealing, quenching and heat treatment of copper
Buy a variety of blanks and semi-finished products from copper after various heat treatment modes offers the company Electrovek-steel. Products are sold at affordable prices from the manufacturer. The supplier provides delivery of heat-treated copper blanks and finished products to the address specified by the customer.
Types of copper heat treatment
To change the mechanical characteristics of copper, two heat treatment technologies are mainly used: quenching and annealing. The first is used to increase the strength, and the second — to reduce the internal stresses, which occur, for example, with cold deformation, welding or force turning of copper blanks.
Hardening of copper products is carried out at temperatures of 580… 630 0 С, with holding at these temperatures and subsequent cooling in calm air. As a result, the hardness of copper products increases and their elastic properties increase.
To obtain equilibrium structures where internal stresses are absent, the semi-finished products are subjected to a two-stage annealing. Not the first stage of the product is heated to quenching temperatures, after which it is slowly cooled, and the temperature is again heated from 350 to 400 ° C. The cooling of the final product is performed twice as slowly, which helps to remove the technological stresses and to obtain a more uniform structure of the metal.
Copper heat treatment is also carried out for descaling. To do this, the blanks are heated to 450… 500 0 С and then quickly cooled.
The company Electrovek-steel produces thermally processed copper products at producer prices. The supplier provides prompt delivery of products to the point set by the customer.
Equipment for heat treatment of copper products
In view of the comparatively low heating temperatures, copper furnaces with a controlled atmosphere or electric furnaces are used for the heat treatment of copper. With significant volumes of production, thermal furnaces are equipped with means of mechanizing the supply and delivery of metal from the working zone of the furnace, and with small volumes — chamber or even muffle electric resistance furnaces.
The oxidizing atmosphere in flame furnaces intended for heat treatment of copper is created due to a reduced amount of oxygen in the furnace atmosphere. Nitrogen is used less often, because in some alloys it forms nitrides, which increase the hardness and reduce the plasticity of copper products. From this point of view, it is undesirable to heat copper in a nitrogen-containing atmosphere in the temperature range 250… 280 0 С, when nitride formation takes place especially intensively.
Buy a variety of shapes and sizes of blanks and semi-finished products from copper, subjected to heat treatment for the necessary modes, offers the company Electrovek-steel. The products are sold at attractive prices from the manufacturer. The supplier ensures the timely delivery of products to the address set by the consumer.