Investment Casting Foundry | Sand Casting Foundry from China

Stainless Steel Castings, Grey Iron Castings, Ductile Iron Castings

Investment Casting Process

  • Welding Repair of Castings

    Principle 1. Usually refers to castings that do not meet the acceptance technical conditions or order agreement, have casting defects but can be repaired. 2. The area and number of castings allowed for welding repair are specified. The defect type is usually specified in...
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  • Design of Gating System at Foundry

    The gating system is the channel in a sand mold that guides molten metal into the mold cavity. The success of the casting process depends on the properties of the metal, the characteristics of the mold, and the structure of the gating system. A well-designed gating syste...
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  • Incomplete Annealing & Spheroidizing Annealing of Metal Castings

    Incomplete annealing of Metal Castings Definition: Incomplete annealing is a heat treatment process for steel castings, which involves heating the steel to a temperature range between Ac1 and Ac3 (for hypoeutectoid steel) or Ac1 and Accm (for hypereutectoid steel), cooli...
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  • Residual Stress in Castings

    Residual stress in metal castings is a significant issue that can affect the performance and longevity of metal components. Predicting and managing these stresses is crucial for ensuring the quality and durability of the final product.   Prediction of Residual Stres...
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  • The Filling Ability of Molten Metal During Casting Process

    The filling ability of molten metal, also known as fluidity, is a crucial factor in the casting process. It refers to the capability of molten metal to fill the mold cavity completely before solidification. Understanding and optimizing this property is essential for prod...
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  • Straightening of Castings

    Straightening of castings, also known as correction or rectification, is a crucial step in the manufacturing process to ensure that cast metal parts meet precise dimensional specifications and structural integrity.   Methods of Straightening There are several metho...
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  • Characteristics of Investment Casting

    In metal processing and manufacturing, investment casting has become one of the preferred processes for the production of high-precision and complex structure castings with its unique advantages. This ancient and constantly innovative technology has greatly promoted the ...
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  • AISI 347 Stainless Steel Used for Castings

    Stainless steel is a high alloy steel that can resist corrosion in air or chemically corrosive media. Stainless steel does not need to undergo surface treatment such as color plating, but it can also have the inherent surface properties of stainless steel. From a metallo...
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  • Penetrant Testing to Detect Internal Defects in Castings

    Penetration testing (PT) is also a kind of non-destructive testing. Its basic principle is to use the good permeability and capillary action of colored penetrants or fluorescent penetrants to narrow gaps. After penetration, removal, and imaging treatment, the surface def...
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  • Detect Internal Defects in Castings by Ultrasonic

    Ultrasonic testing can find defects such as shrinkage cavities, shrinkage porosity, porosity, inclusions, and cracks in castings with simple shapes and flat surfaces, and can determine the size and location of defects. Ultrasonic testing refers to a method of injecting u...
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  • Duplex Stainless Steel 2205 Castings

    2205 duplex stainless steel is a duplex stainless steel composed of 21% chromium, 2.5% molybdenum and 4.5% nickel-nitrogen alloy. The ferrite and austenite structures each account for approximately 50%. It has high strength, good impact toughness and good overall and loc...
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  • Estimation of Steel Casting Prices Per Pound, KG and Ton

    In this article we try to introduce some information about the estimated costs of cast steel castings by weight. Actually both the costs of cast iron castings and cast steel castings have the similar factors which can decide how much we cost, such as complexity of castin...
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