Investment Casting & Sand Casting Foundry

Castings of Stainless Steel, Alloy & Carbon Steel, Cast Iron, etc.

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  • Heat Treatment of Austenitic Stainless Steel Castings

    Heat Treatment of Austenitic Stainless Steel Castings

    The as-cast structure of austenitic stainless steel castings is austenite + carbide or austenite + ferrite. Heat treatment can improve the corrosion resistance of austenitic stainless steel castings.   Equivalent Grade of Austenitic Stainless Steel AISI ...
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  • Heat Treatment of Martensitic Stainless Steel Castings

    Heat Treatment of Martensitic Stainless Steel Castings

    Martensitic stainless steel refers to a type of stainless steel whose microstructure is mainly martensite. The chromium content of martensitic stainless steel is in the range of 12% - 18%, and its main alloying elements are iron, chromium, nickel and carbon. Martensitic ...
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  • The Heat Treatment of Carbon Steel Castings

    The Heat Treatment of Carbon Steel Castings

    The heat treatment methods usually used for carbon steel castings are: annealing, normalizing or normalizing + tempering. The influence of these three heat treatment methods on the mechanical properties of cast carbon steel is shown in the figure below. The ...
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  • Chemical heat treatment of steel castings

    Chemical heat treatment of steel castings

    The chemical heat treatment of steel castings refers to placing the castings in an active medium at a certain temperature for heat preservation, so that one or several chemical elements can penetrate the surface. Chemical heat treatment can change the chemical compositio...
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  • Surface Heat Treatment of Steel Castings

    Surface Heat Treatment of Steel Castings

    Surface heat treatment refers to the process of heat-treating only the surface layer of steel castings. Surface heat treatment can also obtain the required metallographic structure and mechanical properties. Commonly used surface heat treatment methods are: induction hea...
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  • General Information of Heat Treatment for Steel Castings

    General Information of Heat Treatment for Steel Castings

    The heat treatment of steel castings is based on the Fe-Fe3C phase diagram to control the microstructure of the steel castings to achieve the required performance. Heat treatment is one of the important processes in the production of steel castings. The quality and effec...
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  • Grey Cast Iron Magnetic Properties

    Grey Cast Iron Magnetic Properties

    Gray Iron Comparison Microstructure(Volume Fractions)(%) China(GB/T 9439) ISO 185 ASTM A48/A48M EN 1561 Matrix Structure HT100 (HT10-26) 100 No.20 F11401 EN-GJL-100 Pearlite: 30-70%, coarse flakes; Ferrite: 30-70%; Binary Phosphorus Eutectic: <7% ...
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  • Cobalt-based Alloy Castings

    Cobalt-based Alloy Castings

    Cobalt-based alloy is a hard alloy that can withstand various types of wear, corrosion and high temperature oxidation. Cobalt-based alloys are based on cobalt as the main component, containing a considerable amount of nickel, alloying chemical elements such as chromium, ...
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  • Description, Reasons and Remedies of Common Sand Casting Defects

    Description, Reasons and Remedies of Common Sand Casting Defects

    There are many reasons for sand casting defects in real sand casting process. But we can find the exact reasons by analyzing the defects inside and outside. Any irregularity in the moulding process causes defects in castings which may sometimes be tolerated. Usually the ...
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  • Industrial Electrocoating Surface Treatment for Metal Castings and Machining Products

    Industrial Electrocoating Surface Treatment for Metal Castings and Machining Products

    Industrial electrocoating is a widely used surface treatment for protecting the metal castings and CNC machining products from the corrosion with nice finish. Many customers ask questions about the surface treatment of metal castings and precision machined parts. This ar...
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  • Ductile Cast Iron Mechanical Properties

    Ductile Cast Iron Mechanical Properties

    Ductile cast iron, which is also called nodular iron or spheroidal graphite (SG) cast iron, is not a single material but is part of a group of materials which can be produced to have a wide range of properties through control of the microstructure. Nodular cast iron obta...
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  • Chrome Molybdenum Cast Steel

    Chrome Molybdenum Cast Steel

    Chromium-molybdenum cast steel is widely used in industrial fields with relatively high mechanical properties. The addition of molybdenum to chromium steel can increase the strength of steel castings without having a significant impact on the impact toughness of cast ste...
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