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65Mn (1100℃×20min+450℃×1s water cooling) metallographic diagram
Abstract
In this experiment, the microstructure of 65Mn steel after heat treatment with 1100°C 20 minutes and 450°C 1 second water cooling (1100°C×20min+450°C×1s water cooling) was observed. The results showed that large columnar crystal grains, Widmanstatten ferrite, untempered martensite,......
21/06/2023 
1048 
Charlotte
Metallographic diagram of 65Si2MnWA (after hot rolling)
65Si2MnWA (hot rolled) ferrite-pearlite material is characterized by a chemical and microstructural composition that can be used in many applications that require a high strength combination of material properties and weldability. The chemical composition of the grade is 65% Si, 2% Mn, 0.3% Ni, 0.......
Metallographic diagram of 6Cr4Mo3Ni2WV (quenched at 1180°C and tempered at 630°C twice)
Microstructure of 2Cr6Cr4Mo3Ni2WV (1180°C quenched 630°C tempered secondary)
With technological advancements in the metallurgical processing industry, the study of metallographic structure has become increasingly important in materials science. The metallographic analysis of a material provides......
Metallographic diagram of 70Si3MnA (spring steel)
Abstract
Spring steel 60Si2MnA is widely used in the automobile industry. It is mainly used as spring or automatically cut components. It is also widely used in some rolling elements such as chains and gears. Its outstanding performance has been playing an important role in the development of auto......
Cr12 (both quenched and tempered) metallographic diagram
Introduction
Cr12 steel is a high chromium, air-cooled and heat-treated steel, which is widely used in many cutting tools, bearings and other industrial applications. It is a high carbon, low alloy steel with a relatively high hardenability due to its increased chromium content. The microstructur......
Metallographic diagram of granular bainite 12Cr2Ni4A
Introduction
Grain-oriented ferritic alloys, also known as Grain Boundary Enhancement Alloys or GBEA, have been around for decades, but until recently their importance has been largely overlooked. These alloys are known for their high strength and their ability to absorb impact, making them ideal......
Microanalysis of Fracture of GC-4 Steel
Microstructural Analysis of GC-4 Steel Broken Specimens
The analysis of microstructure of broken steel specimens made of GC-4 steel is of great importance to understand the physical and mechanical properties of this material. The purpose of this paper is to investigate the microstructural changes......
GCr15SiMn (1100℃×20min+470℃×2s water cooling) metallographic diagram
Heat treatment of GCr15SiMn steel is a special process that helps to improve the performance of steel components. Heat treatment is the process of using heat to correct physical properties of a metal such as material strength, hardness, ductility and formability. GCr15SiMn steel is used in many ap......
Metallographic diagram of HK40 (Cr25Ni20 as cast)
HK40 (cast Cr25Ni20) Microstructure
HK40 is a high strength, low-alloy steel designed for high-temperature and high-strength applications. It is a cast steel composed of chromium, nickel and 0.9 % manganese. Since it is a low-alloy steel, it is quite resistant to corroding and also displays excel......
Metallographic diagram of HT300
Introduction
The microstructural characterization of a material is important in understanding its properties, behaviors, and performance. This characterization is often accomplished through the use of microscopy. The technique used to analyze the microstructure of a material is known as metallogr......
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