Precision Investment Casting Foundry

Custom Casting Solution Provider

Precision Investment Casting Solution

Investment casting also called precision casting refers to the general name of the process of obtaining accurate size castings. Compared with the traditional sand casting process, the casting size obtained by precision casting is more accurate and the surface finish is better. It includes investment casting, ceramic mold casting, metal mold casting, pressure casting and EPC.

Precision casting is also called lost wax casting. Its products are precise, complex and close to the final shape of parts. It can be used directly without processing or little processing. It is an advanced process of near net shape formation.

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Our investment casting in different industries

  • pump investment casting
    Stainless steel castings for pump components

    Pump casting housing with precision casting

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  • pump sand casting
    Steel investment casting for pump components

    Pump casting housing with precision casting

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  • Valve sand casting
    Investment casting for pump components

    Investment casting for pump components

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Our investment casting in different Materials


investment precision casting can do a lot different material parts.

Stainless steel Castings

Stainless steel castings - a casting method for producing castings in sand molds. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting. Because the molding materials used in sand casting are cheap and easy to obtain, and the mold manufacturing is simple, it can adapt to the single piece production, batch production and mass production of castings. For a long time, it has been the basic process in casting production.
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aluminum investment casting

Precision casting refers to the general name of the process of obtaining accurate size castings. Compared with the traditional sand casting process, the casting size obtained by precision casting is more accurate and the surface finish is better. It includes investment casting, ceramic mold casting, metal mold casting, pressure casting and EPC.

Precision casting has a wide application range, is not limited by the complexity of casting size, thickness and shape, and the production mode is convenient.

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Copper Casting

Die casting is a metal casting process. Molds are usually made of higher strength alloys, which is somewhat similar to injection molding. Most die castings are iron free, such as zinc, copper, aluminum, magnesium, lead, tin and lead tin alloys and their alloys. Depending on the type of die casting, it is necessary to use cold chamber die casting machine or hot chamber die casting machine.
      The cost of casting process is generally only used for mass production. Die casting is especially suitable for manufacturing a large number of small and medium-sized castings, so die casting is the most widely used in various casting processes. Compared with other casting technologies, the surface of die casting is smoother and has higher dimensional consistency.

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Investment Casting Progress Steps

precision casting steps
OP1.Simulating programe Analytics
Wax patten making
OP2.Wax patten making
investment Casting
OP2.Optional automatic Wax patten making
investment Casting
OP3.Wax patten finishing
investment Casting
OP4.Wax patten tree assembly
investment Casting
OP5.caremic slurry inspection
investment Casting
OP7.Dip into caremic slurry
Automatic operation
OP8.Automatic operation
investment Casting
OP9.Shell mold Drying
investment Casting
OP10.Storage
investment Casting
OP11.Material Melting
investment Casting
OP12.Put agent
investment Casting
OP13.Material sample taking
investment Casting
OP14.Material testing
investment Casting
OP15.Pouring
investment Casting
OP16.Shake out
investment Casting
OP17.Gate removing
investment Casting
OP18.Parts Grinding
investment Casting
OP19.Fine grinding
investment Casting
OP20.2nd Sand blasting
investment Casting
OP21.Parts fixing
investment Casting
OP22.Parts cleaning and washing
investment Casting
OP23.Parts drying
investment Casting
OP24.Parts inspection
investment Casting
OP25.Appearance checking

Measuring equipements for final quality controlling!


investment precision casting can do a lot different material parts.

Frequently Asked Questions for Custom Investment Casting Service

FAQ guide for all questions on investment casting serivce , hope it help you settle your hesitation in cooperation.



1. What Is Investment Casting?

2. What Kind of Products Could be Made in Investment Casting?

3. What Are the Benefits of Investment Casting?

4. What Type of Tooling is Required for Investment Casting?

5. What General Tolerances can We Meet for An Investment Casting Part?

6. What Is the Typical Surface Finish of Investment Casting?

7. Is Small Quantity Acceptable for Investment Castings in Your foundry?

8. How Does Matson Metal do Quality Control for Investment Casting Parts?

9. Can Matson Metal Foundry Provide Machining Service After Investment Casting?

10. What Is the Lead Time of Investment Castings?

11. What Materials Can Your Foundry Make for Investment Castings?


1. What Is Investment Casting?

Investment casting, also known as precision casting, is an industrial lost wax manufacturing process for many metal components.

2. What Kind of Products Could be Made in Investment Casting?

Investment casting process is suitable for products less than 100kg, and it is flexible for product design, no matter how complex it is. So investment casting can make almost all the small products. For larger products, sand casting is preferred.

3. What Are the Benefits of Investment Casting?

There are lots of benefits of investment casting, such as affordable tooling cost, no quantity limitation, flexible design, a large selection of material specifications, etc. See more about the benefits of investment castings

4. What Type of Tooling is Required for Investment Casting?

A split aluminum tool or die is used to create a wax pattern, which is then coated with layers of stucco and ceramic material. Before pouring the alloy, wax will be first melted away, which is where the term “lost wax casting” originated. In other processes (forging, stamping, die casting), tooling is quite much more complex and expensive.

5. What General Tolerances can We Meet for An Investment Casting Part?

For lost wax investment castings, we can reach general tolerances CT7-CT8. And for smaller precision parts, CT5-CT6 can be available.

6. What Is the Typical Surface Finish of Investment Casting?

Good surface finish starts with the injection die and the production of a wax pattern with an excellent surface. Next, the first layer of ceramic applied to the pattern is designed to replicate extreme detail and create an interior mold surface that is very smooth and non-reactive when contacted by molten metal. As a result, surface finishes of Ra12.5-Ra6.3 are typical with some alloys producing smoother surfaces than others.

7. Is Small Quantity Acceptable for Investment Castings in Your foundry?

Yes, we do not have quantity requirements for investment castings, even if a trial order with small quantity, it is also acceptable. Besides, we can supply demands of large quantity order with annual capability of 8,000t.

8. How Does Matson Metal do Quality Control for Investment Casting Parts?

First of all, we have a district inner control system of each production process. Secondly,we are equipped with complete testing instruments, such as Spectrograph, Brinell & Rockwell hardness tester, Impect testing instrument, MT instrument, etc. Thirdly, sample will be provided before mass production. Also, for mass production, we will select some products randomly for testing. And even if there will be quality problem after delivery, we will also send replacements asap at our own costs or return parts of production payments to our customers directly.

9. Can Matson Metal Foundry Provide Machining Service After Investment Casting?

Even if investment casting can reach excellent tolerances, sometimes, for tighter dimensional tolerances, additional machining will be needed. So to supply finished products, we also have a mature machining production line.

10. What Is the Lead Time of Investment Castings?

Normally, it will take us about 20-30 working days for one off sample, and another 25-35 working days for batch production

11. What Materials Can Your Foundry Make for Investment Castings?

Matson Metal Foundry offers a wide range of alloy options for investment castings. Common materials used in investment casting are : Alloy steel, carbon steel, stainless steel, gray iron, ductile iron, Bronze, etc. We can make products following your material specifications or material compositions.