• 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

Today , even the weither is not very good, haihao pipe fitting factory proceeded the heating treatment for 120 pcs hot induction bends .  In the new order, there are 920 pcs 5D hot induction pipe bends in total.
sand-blasting-induction-bend

sand-blasting-induction-bend

These bends specification is 12″, 5D, 180 Degree, the bend without any tangent length on the two ends, material is API 5L GR.B.  Coating finish is black painted , they are all normal requirements in our regular production .after the hot induction bending process, we do this step of heat treatment.
hot-induction-bends-order

hot-induction-bends-order

For the steel pipe fittings , suitable heat treatment is necessary to get a good quality performance. As per the clients request , we arranged heat treatment for all the bends at a temperature of 600 ℃, it can make sure the high quality request of the project and end user.
hot-induction-bends-order

hot-induction-bends-order

It is a little raining today here in Hebei, but it did not delay the heat treatment working in our factory. our 12.5meter * 4.5meter heating treatment furnace workshop operated very good in such weither , finally we finish the work as per the plan ,it will not effect the delivery time of this bends order .
 


Latest Products

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26 2015 12

Our Markets

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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Our VISION:

Serving the world flowing! Aiming to be the best in the field! Improving level of “Made in China”!”

Tom , Haihao Group

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