News
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Defect Analysis of the 40CrMnMoA Roll Shaft Forging
The roller shaft is made of 40CrMnMoA steel with a net weight of 36.6 tons, manufactured from a 60.5-ton steel ingot. Its manufacturing process includes: smelting, casting → forging → post-forging ...Read more -
Research on the Optimization of Manufacturing Process for H13 Mold Steel
H13 die steel is a hot work die steel suitable for die manufacturing in high-stress and high-temperature environments. It contains high levels of carbon and vanadium, along with appropriate amoun...Read more -
Effect of High-Temperature Normalizing on the Post-Forging Microstructure of H13 Steel
H13 steel exhibits high hardenability, excellent wear and heat resistance, maintaining relatively high hardness and strength below 600°C, along with superior cold and hot fatigue resistance and goo...Read more -
Research Progress on Radial Forging Process of Superalloy Alloy
High-temperature alloys, as critical materials for high-temperature components such as turbine blades, combustion chambers, and turbine disks, are widely used in aviation, aerospace, and energy sec...Read more -
Defect Characteristics in Ultrasonic Testing
This study utilizes the Ondar-3600 ultrasonic flaw detector to investigate the ultrasonic waveforms of typical defect surfaces in steel and aluminum. Through qualitative analysis of surface-reflect...Read more -
Analysis of cracking after martensitic stainless steel
In recent years, with the rapid development of China's electric power and boiler industry, the demand for boiler tube billet continues to increase.10Cr9Mo1VNb is martensite type stainless steel, wi...Read more -
Superalloy forging temperature and heating specification
Superalloy heating is carried out in two stages: preheating and heating. In order to shorten the insulation time of superalloy at forging heating temperature and avoid excessive coarsening of grain...Read more -
Selection and application of forging
Forging is a processing process in which a metal is flattened, crushed or squeezed under strong pressure to obtain high-strength metal parts. In general, (except in special cases), the forging met...Read more -
Technical characteristics and status quo of nuclear power large forgings
With the increase of power generation power and the continuous improvement of safety factor of nuclear power plants (such as AP1000, EPR, etc.), the requirements for their basic parts (nuclear powe...Read more -
How to further improve the material utilization rate of forging materials
To improve the utilization rate of forging cutting materials, it is necessary to make three-dimensional efforts from \"optimization design, process improvement and fine control\". The core is to r...Read more -
How to use wind power bearing forgings to ensure product quality from scratch?
In the wave of global energy transformation, the wind power industry is reshaping the energy landscape with an annual growth rate of 15%. As a leader in China's bearing industry, DHDZ Forging not ...Read more -
Unpack the password for the forging quality improvement
As the core foundation component of mechanical equipment, the quality of forgings directly determines the service life and operation stability of the equipment. How to prevent the quality defects o...Read more
