News
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Continuous Pre-forming — With the continuous pre-forming method
Continuous Pre-forming — With the continuous pre-forming method, the forging is given a defined pre-shape in a single forming movement. Some of the traditionally used pre-forming units are hydrauli...Read more -
How to find the machining difficulty of stainless steel flange
First of all, before selecting the drill bit, let's take a look at what are the difficulties in machining the stainless steel flange?Find the difficult points can be very accurate, very quickly to ...Read more -
The main disadvantages of water as quenching and cooling medium for forgings are:
1、in the typical part of the austenitic isothermal transition diagram, i.e., about 500-600℃, the water is in the steam film stage, and the cooling speed is not fast enough, which often leads to th...Read more -
Sealing principle and characteristics of flange
The sealing problem of flat welded flange has always been a hot issue related to the production cost or economic benefit of enterprises, so the sealing principle of flat welded flange has been impr...Read more -
How many types of forging are there?
According to the forging temperature, it can be divided into hot forging, warm forging and cold forging.According to the forming mechanism, forging can be divided into free forging, die forging, ro...Read more -
Zero heat preservation, quenching and normalizing forgings
In the heat treatment of forging, due to the large power of the heating furnace and long insulation time, the energy consumption is huge in the whole process, in a long period of time, how to save ...Read more -
Main application directions of large forgings
According to the regulations of China's heavy machinery industry, all free forgings produced by hydraulic forging machine above lOOOt can be called large forgings.According to the forging capacity ...Read more -
Germany TUBE & WIRE 2020 will be postponed to Dec 7th to Dec 11th, 2020.
Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD. will be attending Wire & Tube 2020 – International Wire and Tube Trade Fair. –TUBE & WIRE 2020 to be held in Düsseldorf, Germany f...Read more -
20th Anniversary International Exhibition for Equipment and Technologies for Oil and Gas Industries
Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD. will be attending Neftegaz Trade Fair 2020 to be held in Ruby Exhibition Centre, Moscow from April 13th to April 16th, 2020. Warmly welc...Read more -
Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD. will be attending Wire & Tube 2020
Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD. will be attending Wire & Tube 2020 - International Wire and Tube Trade Fair –TUBE & WIRE 2020 to be held in Düsseldorf, Germany fr...Read more -
Shanxi donghuang takes part in the 2019 ABU dhabi international petroleum exhibition
The ABU dhabi international petroleum fair (ADIPEC), first held in 1984, has grown into the largest and most influential professional exhibition in the Middle East, ranking oil & gas in the Mid...Read more -
Shanxi dongHuang wind power flange manufacturing co., ltd
Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD. will be attending ADIPEC 2019, U.A.E – the world's leading fair for Oil and Gas Sector to be held from 11 – 14 Novermber, 2019. Warmly wel...Read more
