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3Cr13 stainless steel spring vacuum high pressure gas quenching heat treatment
1 Introduction 3Cr13 stainless steel material, because it contains more alloying element chromium, the C isothermal transformation curve of the material is shifted to the right, and the critical cooling rate is small, which makes the material after austenitization can also form martensite in air...
Requirements for deep carburizing on heat treatment equipment
1.Temperature control method The following briefly introduces the difference between the main control method in the furnace and the temperature control method outside the furnace, and the effect of realizing the main control in the furnace on the carburizing quality during deep carburizing. The m...
Common Failure and Maintenance of Vacuum Quenching Furnace
Like ordinary equipment, vacuum quenching furnace will have many failures in the process of use, especially in the case of harsh operating environment and uninterrupted work, the failure rate of equipment is relatively high. If you rely on the equipment manufacturer for repair or transformation, ...
Heat treatment process of gear vacuum carburizing and quenching
Gears are one of the most common and most widely used parts in modern mechanical combinations. There are gears in almost all machinery such as ships, airplanes, automobiles, and cranes, which shows its role and usage. In the process of mechanical use, gear failure occurs from time to time, mainl...
Deformation correction of 20CrMo steel plate by vacuum carburizing and quenching
Steel plate quenching has been a difficult problem in the heat treatment industry for many years. When the surface requires high hardness, leveling is the biggest problem. It is an innovative method to use a cast iron plate to press and quench the parts with small deformation to ensure surface ha...
Introduction to Vacuum Annealing
Vacuum annealing process refers to the process of slowly heating the workpiece to the specified temperature under the condition of less than one atmosphere, holding it for a period of time, and then cooling the workpiece to room temperature according to the cooling method specified in the process...
Insufficient Hardness Of Carburizing And Quenching Of 20CrMo Steel Hydraulic Cylinder
1.This paper introduces the effect of carbon concentration on the surface of 20CrMo steel on its heat treatment process performance. The carbon concentration in the carburizing process must be strictly controlled to ensure that the carbon content of the furnace atmosphere is within the set range ...
Vacuum carburizing and quenching process of 20Cr2Ni4A thin-walled ring gear
1.Structure and heat treatment requirements of thin-walled ring gear The material used in the design of the ring gear is 20Cr2Ni4A. The ring gear requires overall carburization, the depth of the carburized layer is 0.9~1.2mm, and the surface hardness is ≥60HRC. From the structural analysis of the...
Large diameter ring gear vacuum carburizing and quenching
Recently, the heat treatment branch carried out carburizing and quenching for two ring gears. The material is 20CrNi2Mo. The technical requirements are that the hardness of the tooth surface is 56~60HRC, and the depth of the carburized layer is 1.8~2.0mm. The modulus is 14, and the distance betwe...
Carbide and Steel Vacuum Brazing
SIMUWU high temperature vacuum brazing furnace application: mainly used for vacuum brazing process of stainless steel, titanium alloy, cemented carbide, non-ferrous metal and other materials, also suitable for gas quenching, annealing and vacuum sintering of tool steel, die steel and other metal...