News
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Application of carbon steel flange in making steel plate
Carbon steel flange itself compact structure, simple structure, maintenance is also very convenient, sealing surface and spherical surface is often in a closed state, not easy to be washed by the m...Read more -
China gb neck flange manufacturer – quality win
DHDZ is the national standard with neck flange manufacturers. The company has strong technical force, can design and manufacture various special specifications of pipe fitting products according to...Read more -
How to identify flange quality
Shop around. How do you compare? Just comparing prices? Can you guarantee the quality of the flange you buy? The following flange manufacturer teaches you how to identify the quality of the flange....Read more -
Stainless steel flange and carbon steel flange material how to identify
Stainless steel flange and carbon steel flange material how to identify? How to distinguish the roughly material of two kinds of flanges is relatively simple. The following DHDZ flange manufacturer...Read more -
What are the four factors that affect the flange process
Four factors affecting the flange process are: 1. Annealing temperature reaches the specified temperature. Flange processing is generally adopted solution heat treatment, temperature range of 1040~...Read more -
What problems will be encountered in the forging process
Forging processing process may encounter a variety of problems, we will introduce in detail. One, aluminum alloy oxide film: The oxide film of aluminum alloy is usually located on the die forged we...Read more -
Surface heat treatment of steel
⑴ Surface quenching: Is the surface of the steel through rapid heating to the critical temperature above, but the heat has not had time to spread to the core before the rapid cooling, so that the s...Read more -
What are the advantages of forgings and why do we choose forgings?
Forgings belong to the building materials industry, its use is more widely, from the concept of: forgings is the metal is applied pressure, through plastic deformation to shape the required shape o...Read more -
Large diameter flange assembly principle requirements and anti-corrosion construction
Large diameter flange as a common flange, because it can be applied to a variety of different occasions and the advantages of good effect by the industry loved, the product is widely used in machin...Read more -
How to buy non-standard flanges
Non-standard flanges are those connected to containers or pipes by fillet welding. It can be any flange. Check integral flange or looper flange according to the integrity of flange ring and straigh...Read more -
Flange sealing form analysis
Forged flanges are invented on the basis of cast steel flanges, and their strength is much higher than cast steel flanges, so that the parts connected with pipes are connected to the pipe end. Butt...Read more -
The material used in forging
The forging materials are mainly carbon steel and alloy steel, followed by aluminum, magnesium, copper, titanium and their alloys. The original state of the material is bar, ingot, metal powder and...Read more
