Best Cast Iron Jewelry Metal Casting Molds in 2026

Size information: the outside dimension is 50 x 50 x 50 mm and the inner is 40 x 40 x 45 mm, the capacity is about 1000 g gold or 500 g silver, general size can meet your most melting or casting needs for metals

"Durable material: the main material is graphite, hardly ash content ensures that the metal purity will not be affected during the metal refining process; Fast cold and hot conditions, with good thermal stability, exquisite refining effect"

"Nice performance: our casting ingot crucible mold has nice thermal conductivity, which can highly shorten the melting time and save energy, and withstand 2000 degrees Celsius, nice acid and alkali resistance, nice corrosion resistance, impact resistance, 89 MPA compression resistance, and 48.7 MPa flex resistance, nice impact resistance performance to ensure the reliability of product quality"

【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.

Specification: Includes 2 pieces of ingot moulds in the same sizes. Each piece for 1000g Gold / 535g Silver; Inner 90 x 40 x 20 mm (2.43 fl oz).

Selected Material: Graphite ingot molds are made from high density fine grain graphite, 99.95% Graphite. Ash content less than 0.1%. Better for Refining than Silicon Carbide Graphite Crucibles.

Well-made: The smooth cavity finish of the graphite ingot mold makes the ingot very easy to remove without sticking to the mold itself.

Specification: Includes 2 pieces of ingot moulds in the same sizes. Each piece for 2150g Gold / 1017g Silver; Inner 105 x 40 x 30 mm (4.26 fl oz).

Selected Material: Graphite ingot molds are made from high density fine grain graphite, 99.95% Graphite. Ash content less than 0.2%. Better for Refining than Silicon Carbide Graphite Crucibles.

Well-made: The smooth cavity finish of the graphite ingot mold makes the ingot very easy to remove without sticking to the mold itself.

Specification: For 1250g Gold / 585g Silver; Inner 105 x 35 x 20 mm (2.48 fl oz).

Selected Material: Graphite ingot molds are made from high density fine grain graphite, 99.95% Graphite. Ash content less than 0.1%. Better for Refining than Silicon Carbide Graphite Crucibles.

Well-made: The smooth cavity finish of the graphite ingot mold makes the ingot very easy to remove without sticking to the mold itself.

Quality material: our graphite casting ingot mold is mainly made of graphite, hardly ash content ensures that the metal purity will not be affected during the metal refining process; Fast cold and hot conditions, with good thermal stability, exquisite refining effect

Ingot mold dimension: capacity: 5-6 ml, outside dimension: 88 x 47 x 8 mm (3.45 x 1.85 x 0.31 inch), inner dimension: 63 x 38 x 4 mm (2.48 x 1.5 x 0.16 inch), suitable for melting and casting metals such as gold, silver, brass, aluminum, copper, zinc, plumbum, etc.

Exquisite performance: the mold has nice thermal stability for fast heating and cooling, well corrosion resistance to strong and alkali, good thermal conductivity properties which highly shorten the melting time and save energy, exquisite impact resistance performance to ensure the reliability of product quality

Quality Graphite Material: made of quality graphite material, the ingot molds won't affect the metal purity during the metal refining process; Fast cold and hot conditions, with good thermal stability, producing exquisite refining effect for you

Detailed Size Information: the outside dimension of heart graphite casting mold is about 50 x 50 x 20 mm/ 1.97 x 1.97 x 0.79 inch, the inner is about 10 mm high; The cross graphite casting mold is about 88 x 47 x 8 mm/ 3.45 x 1.85 x 0.31 inch, the inner is 63 x 38 x 4 mm/ 2.48 x 1.5 x 0.16 inch; The star graphite casting mold is 50 mm/ 1.97 inches in length and width, 11.45 mm/ 0.45 inch on each side, proper in size for you to cast metal and make your own jewelry

Good Performance: the graphite molds for casting metal has nice thermal stability, which can withstand 2000 degrees Celsius, shorten the melting time and save energy, has good impact resistance and corrosion resistance to acid and alkali, good in performance to ensure the reliability of product quality

"What you get: this package includes 1 piece of 5-in-1 graphite casting ingot mold, 1 piece of 1 kg graphite ingot crucible mould, and 2 pieces of graphite stir rod sticks, totally 4 pieces in 1 package, convenient combination set to meet your DIY needs for melting casting refining metal jewelry gold silver"

"Size information: the 5-in-1 metal refining scrap mold measures about 72 x 57 x 12 mm, and the 1 kg crucible mould is 100 x 50 x 25 mm in outer diameter, and 90 x 40 x 20 mm in inner diameter; Each crucible stir rod is about 12 inches/ 30 cm long, and 5/16 inch/ 0.8 cm in diameter, please check these sizes carefully before purchasing"

"Wide range of applications: these graphite ingot molds are suitable for experiments and smelting of non-ferrous metals, including gold, silver, copper, aluminum, and so on, which are designed for lab, test analysis and other purposes; Considering the product size, it is more suitable for small-capacity metal melting projects"

Selected stable materials:Graphite molds are made of high-density fine-grained graphite,99.95% Graphite.

Wide application: Graphite molds take liquid metals of precious metals, such as gold, silver, metal, aluminum, copper, brass, zinc, etc

Well-made:The smooth inner wall of the graphite mold ensures the loss of metal as much as possible, making the cast metal easier to demould.

Selected stable materials:Graphite molds are made of high-density fine-grained graphite,99.95% Graphite.

Wide application: Graphite molds take liquid metals of precious metals, such as gold, silver, metal, aluminum, copper, brass, zinc, etc

Well-made:The smooth inner wall of the graphite mold ensures the loss of metal as much as possible, making the cast metal easier to demould.

8" Ingot Mold Mould is equipped with a wooden handle, which is safer to use.

8" iron Ingot Mold Mould, more durable than graphite crucible.

There are three iron blocks, you can easily adjust the capacity of Ingot Mold Mould.

[Ingot Mold Size] Outer size:50x50x50mm/1.97x1.97x1.97inch; Internal dimensions: 40x40x45mm/1.57x1.57x1.77inch Capacity: 60ml Capacity: Gold 1000g Capacity: Silver 500g. Package:1x Graphite Casting Melting Ingot.

[Graphite Mold Feature] Melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc. Graphite oil bath, ingot gold, silver, copper, aluminum, glass, etc., non-sticking and not bursting, high-purity, high-density, high-strength graphite, fine processing, fine and smooth surface without visible pores.

[Casting Mold Composition:]99.95% Graphite. Ash content less than 0.1%. Better for Refining than Silicon Carbide Graphite Crucibles.

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.

Function: This Cast Ingot Mold holds up to 100 troy ounces of gold, and great for making Gold, Silver, Copper & Aluminum Bars and the other metal bars.

Nice Features: Designed with a slight taper for easy ingot removal. Durable handle, more direct and easy to use.

Size: Overall dimensions 10.04" Long x 3.20" Wide x 1.94" Deep. And the handle is 3.47'' long.

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.

【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.

Ideal for casting a 3D image

Works great with Gold, Silver, Copper, Aluminum, Tin and other precious and non precious metals

Measures 30 mm x 30 mm x 5 mm

Ideal for casting a 3D image

Works great with Gold, Silver, Copper, Aluminum, Tin and other precious and non precious metals

Measures 30 mm x 30 mm x 5 mm

Jewelry Ingot Mould Perfect for making ingot from scrap gold and silver. for Melting Casting Refining Gold Silver Copper Aluminum Brass Precious Metals

Metal Ingot Mould is reversible, so it can be used on making bar and sheet. Make your own size bars etc, highly useful for rolling sheet/wire on a rolling mill.

Four kinds of bar's diameter can be made - 8mm, 6mm, 5mm, 4mm. And depth of the mould is 61mm, so the height of bar is about 60mm.

Ideal for casting a 3D image

Works great with Gold, Silver, Copper, Aluminum, Tin and other precious and non precious metals

Measures 50 mm x 50 mm x 13 mm

✦ Unique design: The portable handle design of the tool allows workers to better access the tool, which is very convenient, and the volume is suitable for easy carrying.

✦ Excellent quality: The tool is made of high-quality steel material, with high density, will not deform due to high temperature, very strong and durable, and long service life.

✦ High temperature resistance: The tool has good thermal conductivity, high temperature resistance and corrosion resistance. It can melt and cast a variety of metals, such as gold, silver, brass, aluminum, copper, zinc, , etc. can be cast.

4 in 1 glass marble sphere graphite mold, good thermal stability. 4 in 1 glass marble sphere graphite mold, excellent thermal stability for fast heating and cooling. Great impact resistance performance to ensure the reliability of product quality.

High density graphite, impact resistant, durable and sturdy. Great impact resistance performance to ensure the reliability of product quality. excellent thermal stability for fast heating and cooling.Good heat transfer performance of graphite, reduce melting time and save energy.

Mainly used for glassblowing casting tool. Mainly used for glassblowing casting tool. Also can used for melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc

★ Melting Crucible Furnace Usage: Mainly used for glassblowing casting tool. Also can used for melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc

★Perfect Performance: 4 in 1 glass marble sphere graphite mold, excellent thermal stability for fast heating and cooling.Good heat transfer performance of graphite, reduce melting time and save energy.

★Graphite Mold Excellent Functions: High density graphite, corrosion resistant and impact resistant, durable and sturdy. Great impact resistance performance to ensure the reliability of product quality.

REVERSIBLE: The Ingot Mold is reversible, so it can be used for making round / half round bar / wires and flat sheet. Molds in 2 convertible and detachable parts for easy extraction and cleaning

VARIOUS SHAPES: As for making bars, this Jeweler metal ingot mold allow you to make bars/wires with 8mm, 6mm, 5mm, 4mm in diam. and 60mm in height.Also it can be used to make flat plates in 2mm

CONVENIENT AND PRACTICAL: Includes a "C" clamp, and quite comfortable to hold the ingot mold with wooden handle

Precision molding: Our ingot mold is crafted with high-quality materials, ensuring that each mold produced is precise and accurate. The thin rectangular molds created are consistent in size and shape.

Versatile design: The four-sided ingot mold can create multiple molds at once. The molds can be used for a variety of applications, such as creating jewelry, small sculptures, and metal parts. With its unique design, it can be used to create a wide range of rectangular molds in different sizes and shapes.

Durability: Made with high-quality metal, our ingot mold is built to last. It can withstand high temperatures and repeated use without warping or cracking, ensuring that your molds come out perfectly every time.

Ideal for casting a 3D image

Works great with Gold, Silver, Copper, Aluminum, Tin and other precious and non precious metals

Measures 75 mm x 75 mm x 20 mm

✦ Excellent quality: The tool is made of high-quality steel material, with high density, will not deform due to high temperature, very strong and durable, and long service life.

✦ Unique design: The portable handle design of the tool allows workers to better access the tool, which is very convenient, and the volume is suitable for easy carrying.

✦ High temperature resistance: The tool has good thermal conductivity, high temperature resistance and corrosion resistance. It can melt and cast a variety of metals, such as gold, silver, brass, aluminum, copper, zinc, , etc. can be cast.

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

Specification: For 665g Gold / 320g Silver; Inner 90 x 18 x 22 mm (1.18 fl oz).

Selected Material: Graphite ingot molds are made from high density fine grain graphite, 99.95% Graphite. Ash content less than 0.1%. Better for Refining than Silicon Carbide Graphite Crucibles.

Well-made: The smooth cavity finish of the graphite ingot mold makes the ingot very easy to remove without sticking to the mold itself.