Gravity/ Low Pressure Casting

Gravity/ Low Pressure Casting
Gravity casting and low pressure casting are typically used for non-ferrous materials such as aluminum. It is also known as permanent mold casting. The mold is made with heat-resistant steel. Low pressure casting produces better mechanical properties.
   Equipments
   
   Low Pressure Casting product
   Precision casting pattern


    A frequently asked question is the difference between sand casting and low pressure casting.
    If we use aluminum shell (ZAlMg10) as an example, please see below for comparison:

 

 Tensile Strength (MPa)

 Elongation

 Hardness, HBS

Sand Casting

350-360

13%

70-80

Steel Mold, Low Pressure Casting

440-450

17-22%

120-125




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