Wrought Copper

What Is Wrought Copper?

Wrought copper is a process different from cast copper. It is created on a copper plate. The texture of the copper plate becomes soft after heating, and the hardness is restored after hammering. Repeat this process to finally produce wrought copper reliefs and wrought copper With the improvement of people’s living standards and aesthetic taste, the traditional craft of forging copper is favored by more and more designers and the public, especially in the arts and crafts field.

The craftsmanship of forging copper is a forging character. Any shape is forged, and its crafting complexity is far more complex than that of cast copper. Fire, hammer and chisel are the three important elements of wrought copper.

Process characteristics

The forging copper process is to create on the copper plate. The texture of the copper plate becomes soft after heating, and the hard characteristic is restored after hammering. Repeat this process

Process flow

Drawing, making rubber sheet, annealing and softening copper sheet, forging

social influence

Wrought copper crafts are used in various fields, such as square landmark architectural sculptures, scenic spot statues, temple Buddha statues, park cultural walls, fine murals, interior decorations, covering all parts of the country, and the applications are widely involved in various fields.

How to distinguish between cast copper and wrought copper?

One, the process is different

• 1. Cast copper: Cast copper sculptures are all cast by the lost wax method. Simply put, it is to melt the copper in a high-temperature furnace into a liquid that meets certain requirements, and then pour it into the mold, solidify and clean after cooling. After processing, a bronze sculpture artwork with the same shape and size as the mold is obtained.
• 2. Forging copper: The molten metal is firstly cast into the cavity of the mold at low or high speed. The mold has a movable cavity surface. It is forged under pressure with the cooling process of the molten metal, which eliminates the shrinkage and porosity of the blank. , It also makes the internal structure of the blank reach the broken grains in the forged state.

2. Different raw materials

• 1. Casting copper: the hollow ceramic shell is put into a sintering furnace and sintered at 1000°C-1150°C according to different metal materials. The copper liquid is immediately cast into the ceramic shell. After cooling, the outer ceramic shell is shaken, and the copper is peeled off. The crude embryo body of the product.
• 2. Forged copper: Copper plate is the main raw material, with steel frame support inside. Some complex sculptures need to be forged with a 1:1 mold, and some simple shapes can be forged according to the free-form frame.

Three, the application direction is different

• 1. Cast bronze: Figure sculptures are the most common. But it is easy to oxidize, so pay more attention to maintenance.
• 2. Wrought copper: The tensile strength is nearly twice as high as that of ordinary cast alloys. For aluminum alloy automobile wheels, frame and other parts that are expected to be produced with higher-strength impact-resistant materials.