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what is investment casting

Date Added: September 25, 2009 02:16:57 AM
Author:
Category: Casting Technology: Investment Casting

What is investment casting?

Investment Casting is also known as the lost wax process. This process 

is one of the oldest manufacturing processes. The Egyptians used it in the time 

of the Pharaohs to make gold jewelry (hence the name Investment) some 5,000 

years ago. When beeswax formed the pattern, to today’s high-technology 

waxes, refractory materials and specialist alloys, the casting allow the production 

of components with accuracy, repeatability, versatility and integrity in a 

variety of metals and high-performance alloys. Lost foam casting 

is a modern form of investment casting that eliminates certain steps in the 

process.

 

The process is generally used for small casting, but has produced complete 

aircraft door frames, steel casting of up to 300 kg and aluminium casting 

of up to 30 kg. Intricate shapes can be made with high accuracy. In addition, 

metals that are hard to machine or fabricate are good candidates for this 

process. It can be used to make parts that cannot be produced by normal 

manufacturing techniques, such as turbine blades that have complex shapes, 

or airplane parts that have to withstand high temperatures.

There are many kinds of investment casting.

Lost wax casting


Material:WCB,ASTM1010;ASTM1020;ASTM1018;ASTM1025;ASTM1038;

ASTM1040;ASTM1045;ASTM4130;ASTM4140, SS304?SS316?SS316L?

S355J2G3?S355JR?ST52-3?ECT.
Used for: Engine blocks and manifolds, machine bases, gears, pulleys, 

agriculture parts,marine parts, medical parts,lifting machine parts; hardware, 

automobile parts,ect

Carbon Steel Casting

Material:ASTM430;ASTM410;ASTM416,ect.Carbon Steel:WCB,AISI1020;

AISI1045;S355J2G3,S235JR,ect 
Used for Agricultural machines; lifting machines; grinding machines; medical 

machines,automobile cars,ect.

Lost Wax Process

Material:WCB,ASTM1010;ASTM1020;ASTM1018;ASTM1025;ASTM1038;

ASTM1040;ASTM1045;ASTM4130;ASTM4140, SS304?SS316?SS316L?

S355J2G3?S355JR?ST52-3?ECT.
Used for: Engine blocks and manifolds, machine bases, gears, pulleys, 

agriculture parts,marine parts, medical parts,lifting machine parts; hardware, 

automobile parts,ect

 
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