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Chemical composition of martensitic, ferritic, austenitic and duplex stainless steels
Martensite
Martensite is a form of steel constituent that is primarily ferromagnetic. It is an unstable body-centered-cubic (BCC) arrangement of atoms that usually forms from austenite when it is rapidly cooled. Martensite consists mainly of iron and carbon atoms and is usually found in the range......
27/06/2023 
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martensitic transformation
Martensite Transformation
Martensite transformation is a type of phase transformation that occurs in certain types of metal alloys, when the metal is placed under an external force or stress. The transformation itself is a reaction between a solid and liquid state of the metal, and involves the m......
Steel is classified according to metallographic structure in practical application
Classification of Carbon Steels According to their Microstructural Organizations in Practical Applications
Carbon steels are metals that contain an alloy of iron and carbon. They are processed in various ways to produce a range of products from simple components like nails to complex pieces of ma......
00Cr25Ni6Mo2N (duplex stainless steel 1050 ~ 1100 ℃ solution treatment) metallographic diagram
The biphasic stainless steel 10Cr25Ni6Mo2N (also known as 825) and its heat treatment process 1050-1100℃ solid solution treatment, is widely used in the production and process of parts and components with special requirements in the field of aerospace, mechanical engineering and fasteners. It has ......
Metallographic diagram of 9Cr2Mo (martensitic matrix)
Microstructure of 9Cr2Mo Steel
9Cr2Mo steel is a martensitic steel designed for the purpose of investing and casting. It contains high levels of carbon and chromium and is typically used to manufacture blades, valves and other high performance machine components. The microstructure of 9Cr2Mo stee......
9Mn2V (1100℃×20min+170℃×5s water cooling) metallographic diagram
，大概1页 The metallographic structure of Zr55Al9Mn2V after heat treatment at 1100℃ × 20min + 170℃ × 5s water cooling was studied by optical microscope and SEM. The results show that after heat treatment at 1100℃ × 20min + 170℃ × 5s water cooling, the microstructure of Zr55 Al9Mn2V is mainly......
Introduction to Martensitic (M) Metallographic Structure
Martensite is a type of microstructure of iron-based alloys that is formed at relatively low temperatures, approximately between 200 and 900°C (392 and 1652°F). It is a metastable-phase, which is a supersaturated solid solution as compared to the equilibrium phase austenite. Martensite is a very......
Metallographic diagram of T10
T10 is a widely used steel alloy, primarily containing carbon and silicon, which is utilized for various applications in industries such as engineering, construction, transportation, and automotive. The alloy is widely appreciated for its excellent weldability and a higher tensile strength of up t......
Metallographic diagram of ZGMn13 (cracking in use after water toughening treatment after casting)
Metallographic examination of ZGMn13 after water quenching and tempering treatment
This paper mainly studies the appearance and quality of ZGMn13 after water quenching and tempering treatment,and discusses the differences between the water-quenched and tempered samples.
ZGMn13 is a kind of high-......
Metallographic diagram of rod-like bainite GCr15 (460°C water cooling)
Abstract
This article analyzes the microstructure of GCr15 in a bar-shaped specimen after it was quenched in water at 460 ℃. It was found that the microstructure of this specimen is of ferrite and pearlite pattern. The hardness of the sample is 740 Hv. The fine particles of carbide in the pearli......
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