Best Cast Iron Jewelry Metal Casting Molds in 2026

【Widely Used】Extremely versatile, ideal loaf ingot mold for making gold, silver, copper, aluminum, brass and so on. Great for smelting, casting, pouring, melting and refining various metals.

【Upgrade Design】Designed with humanized handle, allows you better control and operate during casting iron while avoiding the scalding caused by melting casting. In additional, specially designed with slight wall tapered sides for easy and better metal ingot removal.

【Unique Mold】This mold is great, can hold up to 100 troy ounces of gold. This steel mold is not smooth inside the cavity like graphite molds, but you turn the mold over and the bar will drop out, will not stick in mold.

After pouring your material, your ingots will come out with ease after using this spray

Ideal for lubricating cast iron and steel ingot molds

Easy to apply

Cast Iron ingot mold with the slight wall taper for better metal removal

60 oz Overall length is 7-1/4" and inside size is 1-1/2" deep & at the top its 1-3/4" X 3-1/8"

Gold Smelting

Muti-Purpose Application --- Use on experiments, smelting, casting, pouring, melting and refining of non-ferrous metals, such as gold, silver, copper, aluminum, copper, brass and so on. Also work as graphite crucible melting into non-ferrous metals, test analysis, as the ingot mold and other purposes.

Superior Material --- Made of high-quality cast iron with great thermal conductivity, acid and alkali resistance, strong corrosion resistance, deformation protection. Withstand 2000 degrees Celsius, have a better refining effect than silicon carbide graphite crucibles, greatly shorten the melting time, improves the efficiency and save energy.

Professional Design --- Designed with slight wall tapered sides for easy ingot removal. Easily turn the mold over and the bar will drop out, will not stick in mold. The humanized handle design allows you better control and operate during casting metals, keeping better distance to avoid the scalding caused by melting casting.

Material: This pair of Flask Mold is highly durable and robust vessel made of sturdy cast iron.

Cost Effective: These casting mold are extremely price effective thanks to low tooling and equipment cost.

Neat and Easy Alignment: Correct alignment of flask mold frames is feasible with four locating pins which hold the frames firmly.

【Fit on】 Fits Approximately 100 oz of metal,ideal for casting gold, silver, copper, aluminum, and more.Suitable for laboratory, school science education.

【Function】Melting casting refining gold silver copper aluminum brass precious metals.

【Material】Made of high-quality steel,it has well thermal stability, corrosion resistance and impact resistance, strong acid and alkali resistance, good thermal conductivity.

Material:This Ingot Mold is made from high-quality cast iron. It is quench-hardened for durability & wear resistance. With its sturdy and rugged material it can be used for a long time.

Design:This castironingotmold is designed with a durablehandle. It allows you to better control and operate during castingand helps in avoiding the scalding caused by melting&casting. This mold has slightly tapered sides of the rectangular-shaped cavity.

Features:These castironingotmolds have nice thermal conductivity & temperature resistance to withstand temperatures up to 2000℃/3632℉. This castingotmold holds up to 100 troy ounces (3.11kg) of gold. Also, it is corrosion-resistant to oxidation.

A heavy-duty mold that holds up to 40 troy ounces of gold

Requires the use of a releasing agent - we recommend the Metallon Spray (CAST-0027)

Designed with a slight taper for easy ingot removal

2 Cast Iron Molds

Modeling type: The jewelry oil groove is reversible, so it can be used to make bars and sheets. It can help you make metal bars or sheets of the same size

Compact size: it is detachable and easier for you to check and clean. Size: Approx. 20 * 8 * 8cm / 7.87 * 3.15 * 3.15inches, it doesn't take up too much space, Weight: 1375g portable to carry

Groove Size: There are four types of rod diameter that the metal melting tool can be made - 8mm, 6mm, 5mm, 4mm The depth of the shape is 61mm, so the height of the bar is about 60mm

A high-quality cast iron mold that is designed with a slight taper for easy ingot removal

Ideal for casting gold, copper, brass, silver, aluminum, and other metals

Mold Dimensions: 40 mm in depth x 150 mm long x 65 mm wide