Alloy steel pipe

fsapexsteel is a merchant exporter and supplier of alloy steel pipes and alloy steel tubes used for many different purposes. More >>

Weldable components

Below are our available Weldable components that will meet your project needs. We will help you put together your entire project and ship it to your closest port. More >>

Flanges General

A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. More >>

Seamless steel pipes

We can makes and markets cold-drawn and hot rolled seamless steel pipes and cold-drawn special-section seamless pipes which are widely applied in the industries of More >>

Stainless Pipes and tubes

Stainless Pipes are made from more than 20 steel grades of various corrosion resistance and are intended for application in conditions of a wide range of corrosion environments and temperatures in heat exchanger. More >>

Contact Us

HYSP QCCO China Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc. More >>


Tag Archives: blind flange

BLRF Flange

Blind flange is a kind of round plate with no center hole but with all the proper bolt holes.

Blind flange is a kind of round plate with no center hole but with all the proper bolt holes.[......]

Read more

What Is ANSI Class 150?


The American National Standards Institute (ANSI) Class 150 is a system of dimensional standards for weld neck, threaded, slip-on, lap joint, socket weld and blind flanges.[......]

Read more

Types of Blind Flanges


Blind flanges close the ends of pipes. Plumbers have a variety of flanges to choose from when installing pipes in a home. [......]

Read more

Types of Flanges for Heat Exchangers


Heat exchangers transfer heat from one fluid to another. They operate air conditioners, condensers, evaporators, refrigerators and boilers. [......]

Read more

The Types of Pipe Flanges

Reducing Flanges

Pipe flanges connect pipes, valves, pumps and other equipment in a piping system. Flanges are usually welded or screwed into the systems and then joined with bolts. The eight types of pipe flanges are available in round, square and rectangular shapes.[......]

Read more

Different Flanges

Stainless Steel Flanges

Flanges may take many forms: they may be strengthening ribs, like the flange of an I-beam, or guides, like the flange of a train’s wheel. [......]

Read more

Flange Types

ASTM A350 LF2 flange

There are seven standard types of flanges used for connecting pipes, valves, pumps and other parts of a pipe system[......]

Read more

About Flanges


A flange is basically an extension of a structure and usually has holes drilled into it. These holes are placed in the flange to accommodate securing bolts. The flange seals or joins the various parts of the structure. [......]

Read more