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    Valve body

    name:Valve body process:silica sol casting usage: valve parts parts material: CF8
  • Category:
    SILICA SOL CASTING
  • Browse number:
    317
  • Release time:
    2019-05-22 14:49:22
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name:Valve body

process:silica sol casting

usage:   valve parts

parts material: CF8                                 

                               

Silica sol castings are mainly used for products with high corrosion resistance and precision dimensions, since silica sol steel casting can have much better surface quality and less geometrical deviation of dimensions. The main silica sol steel castings we ever made include meat grinder parts, valve castings, pump castings, marine hardware, and furniture decoration etc.

Usually, Silica sol casting parts tolerance within GB/T6414, CT5~6, weight range from 20 grams to 50 kilograms, the surface finish is Ra6.3.

Silica Sol Casting vs Water Glass Casting

Both silica sol casting and water glass casting belong to investment casting or lost wax casting. So process of silica sol casting is almost the same as water glass casting. But silica sol investment casting process uses silica sol zircon sand as the molding material, which can stand temperature up to 2000 degree. 

The silica sol investment castings have better dimensions and surface quality, but just more expensive than water glass casting. Cost of silica sol casting is almost twice than the cost of water glass casting. Below are the main differences between solica sol casting and water glass casting.



Process

Silica sol castingWater glass casting
Size tolerancesCT5-6CT7-8
MachiningNo or less machiningMore machining
MaterialStainless steelCarbon steel & alloy steel
CosthighLow



The silica sol investment castings have better dimensions and surface quality, but just more expensive than water glass casting. Cost of silica sol casting is almost twice than the cost of water glass casting. 

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