Search results for keyword: 4340
CrMn (1100℃×20min+350℃×10s water cooling) metallographic diagram
Heat Treatment of AISI 4340 CrMn Steel
Heat treatment is a process in which certain physical and chemical properties of a metal or alloy are altered by the application of heat. Heat treatment of AISI 4340 CrMn steel is an important component of the manufacturing process and can enhance the proper......
21/06/2023 
1133 
Sophie
Metallographic diagram of T12A
A microscopic examination is carried out on a specimen of the steel grade AISI 4340 which was heat treated in the lab. This steel grade is a low alloy, heat treatable steel grade containing chromium, nickel, molybdenum, and other alloy elements. A polishing of the specimen was completed in the lab......
Metallographic diagram of W2Mo9Cr4Co8 (M42) (quenching and tempering treatment)
Introduction
This article addresses the metallurgical structure of the W2Mo9Cr4Co8 steel alloy (M42), a high-speed tool steel alloy which has been extensively used in the manufacture of cutting tools due to its strength, wear resistance, and cost efficiency. It became popular shortly after World......
Metallographic diagram of 3Cr2W8V quenched and tempered at 670°C
Abstract
This article discusses the microstructure of AISI 4340 steel after undergoing tempering and subsequent tempering at 670°C. AISI 4340 steel is a commonly used high strength, low alloy structural steel. Commonly used for shafts, gears, and machine components, it has high toughness and str......
3Cr2W8V (quenching, tempering treatment) metallographic diagram
Microstructure Evaluation of Heat Treated AISI 431 Steel
Heat treating is one of the most important treatments for metallic materials, as it alters the physical and mechanical properties. When carried out on steels, this process involves hardening, normalizing, and tempering. In this experiment, ......
Metallographic diagram of 3Cr2W8V isothermal spheroidizing annealing
Introduction
Heat treatment process refers to the controlled heating and cooling of metals to reach desired mechanical properties or obtain microstructural constituents that have been designed for a particular application (1). The effect of heat treating on the hardness, toughness, ductility, and......
Metallographic diagram of 40CrNiMo (SAE4340)
，2500
A microstructural analysis of the SAE4340(AISI 4340), also known as CrNiMo steel, can provide an indication of the mechanical properties of the material including its machinability. This analysis is typically performed via optical and scanning electron microscopy. In this study, the results ......
18Cr2Ni4WA metallographic diagram
Introduction
A micrograph is a photograph taken through a microscope. A metals micrograph is a photo taken through an optical microscope using a polarization changing tool. The 18Cr2Ni4WA macroscopic has a study of ferrite and pearlite phases grains, distribution and size. It can be determined us......
Classified according to the main uses of refractory steel
Heat-resistant steel is a type of steel that is resistant to high temperatures and can withstand temperatures more than 600 degrees Celsius. It has a wide range of uses, from automotive and aerospace industries to power plants, petrochemicals and nuclear reactors. Heat-resistant steel can be divid......
Approximate conversion of steel hardness and strength
Steel Hardness and Strength Conversion
Metal hardness is a measure of its resistance to deformation when stressed. In metals, hardness is usually related to strength but not always. For example, steels can vary in strength, but all steels are relatively hard when compared to softer materials suc......
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