cast bronze

The manufacture of bronze alloys from copper and tin is easy, as is its further processing, i.e. also the melting and casting of the bronze. We have summarized below for you what you need to consider when casting bronze and have created instructions for you to be able to cast bronze yourself.

Bronze alloys differ significantly

Bronze alloys are characterized by a 60 percent main content of copper. The other metals can vary, for example tin or aluminum. The exception is copper-zinc alloys - these are known as brass. So there are different bronze alloys:

  • Also read - polishing bronze
  • Also read - soldering bronze
  • Also Read - Purifying Bronze
  • Tin bronze
  • Aluminum bronze
  • Phosphor bronze
  • Beryllium bronze

The smelting and pouring of tin bronze

These are just the most common bronzes, there are many more bronze alloys. The bronze that gave its name to the Bronze Age, i.e. the "classic" bronze, is tin bronze. We want to take a closer look at the casting of this tin bronze here. For casting yourself you need the following equipment:

  • Melting furnace (at least 1.100 to 1.200 degrees must be possible)
  • Molding sand, oiled
  • Molds
  • bronze

Heating the bronze

Since copper makes up the main part of bronze, the copper melting point is also decisive for tin bronze. Therefore, the bronze must be around 1.150 degrees Celsius can be heated. The shapes can be prepared as desired. For many hobbyists and DIY enthusiasts, there is a strong motivation to cast Celtic or Roman jewelry and utensils.

Note the harmlessness of tin bronze

Compared to, for example, bronze melting and casting, there is no danger of violently reacting slag when casting bronze (aluminum literally splashes and cracks due to cavitation). That is why the casting of tin bronze must not be equated with that of aluminum bronze!

Instructions for casting bronze yourself

The melt is heated and liquefied. Then it can be carefully (and without violent reactions) poured into the molds. The easy handling of tin bronze during melting and casting, while still achieving a relatively hard alloy, is a decisive factor, which is why bronze was so extraordinarily successful in its era. But even today bronze alloys are still used in a variety of ways.

Tips & Tricks After casting the bronze, all you have to do is wait until it has cooled down. Then take yourself out of the molds and remove the pouring funnels. You can then edit the new bronze object as you wish. For example, you can patinate the bronze to give it an antique look. In contrast, you can also polish the bronze to get a feel for how the people of the Bronze Age and other eras impressed with their bronze jewelry.