-
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 ...Read more -
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 ...Read more -
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...Read more -
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...Read more -
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...Read more -
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％ ...Read more -
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, ...Read more -
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 ...Read more -
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...Read more -
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...Read more -
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...Read more -
Facilities for Investment Casting at RMC Foundry
Investment casting, or precision casting in another name, needs a set of special equipment such as wax injection machines, vacuum dewaxing machine, baking furnace, electrical furnace and other post-processing machines like spectrometer, shot blasting machines, tumbling a...Read more
