During construction and fabrication,various grades of carbon steel,alloy steel,and stainless steel are used.To avoid mixing of this material and easy storing and retrieving in the warehouse,piping com...

The mechanical performance indicators of steel pipes often appear in our industry, so do you know about these indicators? Let me explain today.(Test of mechanical properties for EN10204 3.2 certificat...

Do you know the classification of large specification seamless fittings forming technology?As a supplier specializing in the production of flanges and fittings to show you.
The large specification sea...

Rust may still happen even after zinc plating treatment for the steel piping products.That is the reason why the post zinc plating treatment not good.(Zinc Plating Benefits for Steel Piping Products)
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In order to increase the steel properties of piping products to resist corrosion,zinc plating often becomes a good choice.The important benefits of zinc plating include:
Galvanized BS4504 plate flange...

For the often used zinc plating treatment of steel piping goods, there are some different types.The various types of zinc plating can be identified by the color produced by the different formulations....

When preheating welding on site, should fully consider many factors and the should adjust preheating temperature accordingly, otherwise, the purpose of preventing cracks will not be achieved.
1.The di...

Due to the influence of welding metallurgical conditions and different heating and cooling rates, the micro structure of weld and heat affected zone will be uneven, which will indirectly and directly ...

Preheating before welding can slow down the cooling rate of weld metal and heat affected zone of welding, reduce the hardening tendency of steel, and reduce the diffusive hydrogen content in weld meta...

Zinc plating refers to the surface treatment technology of plating a layer of zinc on the surface of metals, alloys or other materials to make them beautiful and rust-proof. The main method is hot dip...

If you’re contemplating the best way to protect metal surfaces against the relentless forces of corrosion,you could think zinc plating.But how does zinc plating stop corrosion?
When a zinc coati...

The zinc plating process can vary depending on the preferences of the metal finishing company, as well as the specific zinc plating application at hand. In general, the process begins by cleaning the ...

At the pipeline prefabrication production or construction site, post heat treatment and post welding heat treatment(PWHT) are often encountered. Which one should be used and what is the difference bet...

Recently,some client feel query and ask “is there any PWHT requirement?” for some prefabrication.What’s post weld heat treatment (PWHT)?
Broadly speaking, post weld heat treatment is...

All or part of the weldment is heated Immediately after welding or the process of  keeping it warm and slow is called post-heating. The purpose is to accelerate the escape of diffusible hydrogen in th...

SAF 2507 is a 25Cr duplex (ferritic-austenitic) stainless steel. The nominal chemical composition of SAF 2507 is 25% Chromium, 7% Nickel, 4% Molybdenumand and other alloying elements such as Nitrogena...

A pipe tee is a type of pipe fitting designed for joining plumbing pipes. With a pipe tee, a plumber can combine or split the flow of two separate pipes. Generally a standard pipe tee is used to join ...

A pipe elbow is a pipe fitting used in plumbing systems to connect two pipes of the same or different nominal diameter. It’s bent at an angle to allow straight pipes to be joined at an angle, th...