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: flange

Ring Joint Types

Ring Joint Types

Ring joints are used in the chemical and petroleum industries to provide a high-pressure seal to pipes during drilling and other applications.[......]

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Flange Bolt Specifications

Flange bolts

A flange bolt differs from the common bolt in that it has a wider surface area under the head to provide for an even distribution of clamping pressure.[......]

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How to Use Slip-On Flanges on a Steam Pipe


A pipe flange is a type of pipe fitting, commonly used in plumbing applications such as installing a toilet or sink. [......]

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Weld Neck Raised Face (WNRF) Flange.


The weld neck flange derives its name from the neck portion of the flange that is welded to the end of a piping system. [......]

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Spectacle Blind Flange


It is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets.[......]

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ANSI Flange Standards

ANSI Flange

ANSI-approved flanges are used for the industrial market which handles gas, air and steam process systems[......]

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How to Remove a Sink Stopper Flange

Sink Stopper Flange

A part of the pop-up stopper assembly, the flange rests on top of the sink drain.[......]

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Test Pressures for ASME Flanges


The American Society of Mechanical Engineers or ASME created the Boiler and Pressure Vessel Code or BPVC. [......]

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Uses of Flanges


In many applications, engineers need to find a way to close off a chamber or cylinder in a very secure fashion, usually because the substance inside must differ from the substance outside in composition or pressure. [......]

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Slip-on Flange Problems


A flange is a plate-like device used to construct a piping system; it connects pipes, pumps, valves, and other gadgets. [......]

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