News
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Inspection of appearance quality of forgings
Appearance quality inspection is generally a non-destructive inspection, usually with the naked eye or low magnifying glass inspection, if necessary, also use non-destructive inspection method. The...Read more -
What should we pay attention to in terms of safety during forging processing?
During the forging process, in terms of safety, we should pay attention to: 1. forging production is carried out in the state of metal burning (for example, 1250~750℃ range of low carbon steel forg...Read more -
Forging: How to forge good forgings?
Now the fittings in the industry mostly use forging way, DHDZ provides high-quality forgings, so now when forging, what raw materials are used? The forging materials are mainly carbon steel and all...Read more -
Focus media | DHDZ dingxiang comprehensive newspaper front page news headlines!
On September 30th (Thursday), the general section of Dingxiang News carried a headline on Shanxi Donghuang Wind Power Flange Manufacturing Co.,Ltd introducing LASER cutting machine for CNC machine ...Read more -
What should we pay attention to in terms of safety during forging processing?
During the forging process, in terms of safety, we should pay attention to: 1. forging production is carried out in the state of metal burning (for example, 1250~750℃ range of low carbon steel forg...Read more -
Is there a requirement for hardness of shaft forgings?
Surface hardness and uniformity of shaft forgings are the main items of technical requirements and routine inspection. The hardness of the body shows the wear resistance, etc., in production, the r...Read more -
What are the quality checks for forgings?
In order to ensure the quality of forgings to meet the requirements of design and use of the indicators, it is necessary to forgings (blank, semi-finished products and finished products) quality in...Read more -
Details to note when using threaded flanges
Threaded flange refers to a flange connected by thread and pipe. During design, it can be handled according to loose flange. The advantage is that no welding is required, and the additional torque ...Read more -
Why do you choose 304 butt welded stainless steel flanges
Let's start with a fact: Austenitic stainless steel pipes are commonly used in a variety of corrosive environments. However, if you are careful, you will find that in the design documents of some u...Read more -
How to identify the quality of forging
The main task of forgings quality inspection and quality analysis is to identify the quality of forgings, analyze the causes of forgings defects and preventive measures, analysis and research It is...Read more -
Three methods of carbon steel flange sealing
There are three types of carbon steel flange sealing surface, which are: 1, tenon sealing surface: suitable for flammable, explosive, toxic media and high pressure occasions. 2, plane sealing surfa...Read more -
Do you know the four fires of heat treatment in forging technology?
Forgings in the forging process, heat treatment is the most important link, heat treatment roughly annealing, normalizing, quenching and tempering four basic processes, commonly known as metal heat...Read more
