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Flat welding flange manufacturers bring you to understand the flange corrosion problems

Flat welding flange manufacturers bring you to understand the flange corrosion problems The direct external cause of flange and bolt corrosion is the existence of corrosive medium between the flange clearance, in the absence of anti-corrosion coating protection, flange metal surface and bolt dire... Read More

Cause analysis of leakage of neck flange

Cause analysis of leakage of neck flange The neck flange will inevitably leak in the use process. The common reasons for leakage are as follows: 1, the wrong mouth, the wrong mouth is straight pipe and flange, but the two flanges are different so that the bolts around can not easily enter the bol... Read More

Three important parameters in flange standards

1. Nominal diameter DN: Flange nominal diameter refers to the nominal diameter of the container or pipe with the flange. The nominal diameter of the container refers to the inner diameter of the container (except the container with a tube as a cylinder), the nominal diameter of the pipe refers to... Read More

How to dehydrogen annealing forgings

Post-forging heat treatment of large forgings after forging forming, immediately after the heat treatment is called post-forging heat treatment. The purpose of post-forging heat treatment of large forgings is mainly to de-stress, recrystallize grain refining and dehydrogenation at the same time. ... Read More

What are the advantages and disadvantages of free forging classification?

One. Introduction to free forging Free forging is a forging method that makes the metal between the upper and lower anvil iron produce plastic deformation under the action of impact force or pressure, so as to obtain the desired shape, size and internal quality forgings. Free forging in free forg... Read More

The principle of forging blank selection

Forging blank processing is a process of forging production, forging blank quality, productivity level, will have an important impact on forging quality, performance, life and economic benefits of enterprises. Forging blank processing technology, equipment precision and performance determine the ... Read More

Forging processing characteristics of forging products

Forging plant forging products are plastic deformation through forging processing, forging processing is the use of external force to produce plastic deformation of forging raw materials, forging size, shape and performance of the blank or parts of the processing method. Through the forging proce... Read More

Value and mechanical properties of carbon steel flange

Carbon steel flange refers to the mechanical properties of the carbon content of the steel, and generally do not add a lot of alloy elements of steel, sometimes also known as plain carbon steel or carbon steel. Carbon steel, also known as carbon steel, refers to the carbon content of WC is less t... Read More

TUBE & WIRE to be held in Düsseldorf, Germany from JUNE 20-24, 2022.

Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD. will be attending Wire & Tube 2022 – International Wire and Tube Trade Fair. –TUBE & WIRE to be held in Düsseldorf, Germany from JUNE 20-24, 2022. Warmly welcome you and your team to visit us at Booth  E20-1 in Hall 1 during the 2... Read More

Flat welding flange forging method and matters needing attention

Flat welding flange according to your favorite forging die movement, it can be divided into swing rolling, swing rotary forging, roll forging, wedge rolling, ring rolling, cross rolling and so on. Precision forging can also be used in swing rolling, swing rotary forging and ring rolling. Roll for... Read More

The principle of forging blank selection

Forging blank processing is a process of forging production, forging blank quality, productivity level, will have an important impact on forging quality, performance, life and economic benefits of enterprises. Forging blank processing technology, equipment precision and performance determine the ... Read More

Large caliber stainless steel flange how much?

Large diameter stainless steel flange with simple maintenance, easy maintenance, excellent material, connection is not easy to deformation characteristics, is a kind of very popular with the customers of big caliber flange products, pipe fittings, petrochemical, metallurgical machinery, aerospace... Read More
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