Pipe spools are fabricated from components, these components may be steel pipe, flanges and pipe fittings.They could be connected together by welding or thread.WPS are necessary for welding of pipe sp...

Van Leeuwen–one of the biggest pipe,fittings and flange stockist in the world come to visit us.
The Van Leeuwen Pipe and Tube Group was founded in 1924.The Group has approximately forty branches...

Pipe spools are fabricated from pipes,pipe fittings or flanges.The main work of fabrication is welding.To guarantee the quality of welding,our engineers must make PQR and WPS in advance.
Pipe spools f...

ASTM A179 seamless pipe is widely used in industries such as petroleum,chemical,medical,food,light industry,machinery,instrument,include industrial pipeline and mechanical structure parts, etc.
Portug...

Morocco is a very beautiful country.The population was about 35.27 millions (2016),about half population lives in urban areas. In order to reduce water scarcity and pollution in urban,the bureau of wa...

Last week,we attend the 4th INDONESIA TUBE & PIPE EXPO 2018 held in Jakarta Between Jul.11-Jul.13. 
Haihao Group packing weld neck flange products
With vast economic and population growth,Indonesi...

When we think of Iraq,our first opinion may be that their oil & gas reserves are very large.Except for Oil & gas, their phosphate reserves are also very large,about 10billion tons,which is TOP...

A hydrostatic test is a way in which pressure vessels such as pipelines,plumbing,gas cylinders,boilers and fuel tanks can be tested for strength and leaks.The test involves filling the vessel or pipe ...

“All elbows are pipe bends but not all bends are elbows”
Pipe elbows and pipe bends are both very common pipe fittings products which are used to change the flowing direction in a piping s...

We will pack the goods before they are shipped,packing plays an import role,can protect the product,easy to load and unload.
Hebei Haihao Goup is a manufacturer specialized in producing flange and pip...

Ferrostaal Piping Supply is one of our most powerful customers.We have cooperated with this company for many years.Our mainly business is pipe fittings,for example,elbow,tee,reducer,cap,bends and forg...

Haihao Group is one of the leading steel piping manufacturer in China.We are specialized in stainless steel flange,fittings and pipe.
A pipe bend looks like a elbow of different bending radius.The mos...

In order to solve shortage of water supply,Tanzania planed to construct thousands of water facilities.This plan will be finished in three stages.First stage was from 2007,second stage was from 2014, t...

Hebei Haihao Group,Chinese leading manufacturer in the pipeline industry.Specialized in stainless steel products.
Our stainless steel products range is: stainless steel flanges,stainless steel pipe fi...

The 2018 FIFA World Cup will be the 21st FIFA World Cup,a quadrennial international football tournament contested by the men’s national teams of the member associations of FIFA.It will come soon...

Heat treatment is a method to adjust the property of steel by heat.The main methods of heat treatment are annealing,case hardening,tempering, normalizing and quenching.
Heat treatment of steel
What is...

Recently our goods finished the testing by BV for the EN10204 3.2 certification.Mechanical properties is the most important composition of EN10204 3.2 certification because it is the direct index to m...

EN 10204 certificate is for steel products,it states the test result is consistent with the requirements of orders.There are two types of certificates,EN 10204-3.1 and EN 10204-3.2.
EN 10204-3.1 certi...