• Steel Flanges

    A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system, provides easy access for cleaning, inspection or modification. read more

  • Pipe Fittings

    The ends of all buttweld fittings are bevelled.The shape of the bevel depending upon the actual wall thickness.This bevelled ends are needed to be able to make a "Butt weld". read more

  • Steel Pipes

    Pipe is a hollow tube with round cross section for the conveyance of products. The products include fluids, gas, pellets, powders and more. read more

In the industry application, there are many types of steel pipe fittings used in the projects , summed There are several main types:

Based on the material, the steel pipe fittings can be divided into types of :  Carbon steel pipe fittings, stainless steel pipe fittings,  alloy steel pipe fittings, forged steel pipe fittings, cast steel pipe fittings.

Based on the connection methods, they can be divided into: butt welding pipe fittings, threaded pipe fittings, socket welding pipe fittings, grooved ends pipe fittings, mechanic pipe fittings etc.

Based on the production process of the pipe fittings, they can be divided:  plate made pipe fittings,  tube made pipe fittings, welded pipe fittings, seamless pipe fittings, ERW pipe fittings, forged steel pipe fittings.

Based on the fittings shape for pipe joint, they can be divided into : elbows, tees, reducers, caps, bends, cross, pbe nipples etc..



There are also some customized pipe fittings , like the fabricated fittings , flanged pipe fittings, external or internal coated pipe fittings.


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haihao has been a professional supplier of pipes,fittings and flanges, serving the world industry piping since 1982.
oil and gas industry

as a leading manufacturer,stockist and supplier, our knowledgeable and experienced technical team can understand well what you need . help you find the best solution for your regular and specific requirement.
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Tom , Haihao Group

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