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  • Several common heat treatment concepts

    1. Normalizing: A heat treatment process in which steel or steel parts are heated to an appropriate temperature above the critical point AC3 or ACM, maintained for a certain period of time, and then cooled in the air to obtain a pearlite-like structure. 2. Annealing: A heat treatment process i...
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  • Do you know what annealing, quenching and tempering are?

    When it comes to heat-resistant steel castings, we have to mention the heat treatment industry; when it comes to heat treatment, we have to talk about the three industrial fires, annealing, quenching, and tempering. So what are the differences between the three? (One). Types of annealing 1. Comp...
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  • China silicon steel grades VS Japan silicon steel grades

    1. Chinese silicon steel grades representation method: (1) Cold-rolled non-oriented silicon steel strip (sheet) Representation method: 100 times of DW + iron loss value (the iron loss value per unit weight at a frequency of 50HZ and a sinusoidal magnetic induction peak value of 1.5T.) + 100 tim...
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  • Summary of ten commonly used quenching methods

    There are ten commonly used quenching methods in the heat treatment process, including single medium (water, oil, air) quenching; dual medium quenching; martensite graded quenching; martensite graded quenching method below the Ms point; bainite isothermal Quenching method; compound quenching meth...
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  • Ferrous metal materials hardness value conversion table

    布氏硬度 HB 洛氏硬度 维氏 硬度 HV 布氏硬度 HB 洛氏硬度 维氏硬度 HV HRA HRC HRA HRC   86.6 70.0 1037   78.5 55.0 599   86.3 69.5 1017   78.2 54.5 589   86.1 69.0 997   77.9 54.0 579   85.8 68.5 978   77.7 53.5 570   85.5 68.0 959   77.4 53.0 561   85.2 67.5 941   77.1 52.5 551  ...
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  • Basic mechanical properties of metal materials

    The properties of metal materials are generally divided into two categories: process performance and usage performance. The so-called process performance refers to the performance of metal materials under specified cold and hot processing conditions during the manufacturing process of mechanical ...
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  • Commonly Used JIS standard Steel Grades for Building Structures

    Introduction: Jindalai Steel Group is a leading supplier of steel plates for various applications. With a wide range of products including Hot Rolled Steel Plate, Cold Rolled Steel Plate, Hot Rolled Patterned Steel Plate, and Tinplate, we have established long-term partnerships with renowned ste...
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  • Common surface finish of stainless steel

    Original surface: NO.1 The surface subjected to heat treatment and pickling treatment after hot rolling. Generally used for cold-rolled materials, industrial tanks, chemical industry equipment, etc., with thicker thickness ranging from 2.0MM-8.0MM. Blunt surface: NO.2D After cold rolling, heat...
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  • Precautions for stainless steel processing and construction

    Cutting and punching Since stainless steel is stronger than ordinary materials, higher pressure is required during stamping and shearing. Only when the gap between the knives and knives is accurate can shear failure and work hardening not occur. It is best to use plasma or laser cutting. When ga...
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  • Three hardness standards for steel

    The ability of a metal material to resist the indentation of the surface by hard objects is called hardness. According to different test methods and application scope, hardness can be divided into Brinell hardness, Rockwell hardness, Vickers hardness, Shore hardness, microhardness and high temper...
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  • Introduction to cold work die steel

    Cold work die steel is mainly used for stamping, blanking, forming, bending, cold extrusion, cold drawing, powder metallurgy dies, etc. It requires high hardness, high wear resistance and sufficient toughness. Generally divided into two categories: general type and special type. For example, the ...
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  • Ensuring the Quality of Seamless Steel Pipes: A Comprehensive Inspection Guide

    Introduction: Seamless steel pipes play a vital role in various industries, including metallurgy, chemical, machinery, petroleum, and more. The quality of these pipes directly impacts their performance and durability. To ensure the seamless pipe’s quality, it is important to conduct compre...
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