For prepare Indian Boiler Regulations (IBR) inspection,Haihao Group quality inspection department do a lot of work for the documents. After that factory should work together with third party inspection,and the process for the IBR Approval it’s just a ...

Haihao Group sales department and engineers attended the 7th Tube China from 26th to 29th september.We had taken various product samples and technology data to our booth, including the steel pipes,butt weld pipe fittings,forged pipe fittings and forged fla ...

Tube China,The All-China International Tube & Pipe Industry Trade Fair, is a 4 day event being held from 26th September to 29th September 2016 at the Shanghai New International Expo Centre(SNIEC) in Shanghai,China. Haihao Group Attended Tube China Fair ...

NDT Inspection is a important method in quality control of the piping products.There are many NDT methods used in our steel pipings production.They have different characters for various usage. The most regular NDT methods are as follows: Penetrant Testing: ...

To improve manufacturing quality and product reliability, components and structures are regularly inspected for defects or faults which may reduce their structural integrity leading to failure.Among the material testing methods developed for inspection pur ...

Tube China full name is The All-China International Tube & Pipe Industry Trade Fair,it’s an international trade fair for piping industry and held every two years in Shanghai City.Tube China is one of the world’s largest trade fair for tube ...

Non-Destructive Testing (NDT) is used in inspecting,testing,or evaluating materials,components or assemblies for discontinuities,or differences in characteristics without destroying the pipes,fittings or flanges.It means the products can still be used when ...

In September 12th, 2016,Brazil is likely to extend the antidumping duty on steel pipes from China.Brazil’s foreign trade board Camex is preparing a study regarding to extend duty over imports of seamless steel line pipes products from Chinese. Brazil ...

In July 20, 2016,The USA International Trade Commission (USITC) deny that revoking the existing antidumping duty orders on carbon steel butt-weld pipe fittings products from China,Japan,Taiwan,Thailand and Brazil.They believe it would lead to continuation ...

The China International Tube&Pipe Industry Trade Fair hold on sept 26-29,2016 in Shanghai New International Expo Center.The Tube China is held every two years.Hebei haihao group bring the sample products and company catalogues to the exhibition.We boot ...

In our new flanges order of Oil Gas pipeline project of Africa,the flanges sizes are from 10″ to 36″.Haihao flange factory produced all the weld neck flanges,blind flanges and spectacle flanges products. Haihao Group finished carbon steel spect ...

Hebei Haihao flange factory received this supplement steel flanges order after the last flange oders of petro pipeline project of Exxon Mobil in Africa.Because of the excellent performance of our flanges in the first order,customer keep the cooperation wit ...

Spectacle blind flange have three types:spectacle blind flange,spade flange,spacer flange.The spectacle blind flange could cut from a plate directly,or produced by forging method. There are the techinical specification of spectacle blind flange(How to use ...

There are three types of spectacle flange:spacer,spade(paddle flange),spectacle blind flange.A spectacle blind flange is a combination of a spade and a spacer. All these three types of spectacle flanges are used in piping systems or pressure vessels where ...

The spectacle blind flange(what is a spectacle flange?) is made of two pieces metal discs which are joint together by a part of steel handle.The spectacle flanges have three types in Haihao Group: Spectacle Blind Flange Drawing The most regular used specta ...

A grooved end joint is a mechanical connection,no welding,no thread.It’s fromed with a grooved-end pipes,fittings or valves,and a victualic coupling (or Equal). The advantage of pipe grooved ends joints,as follows: 1.The pipes are grooved by rolled g ...

A grooved end joint is a mechanical connection,which has no welding or thread.It’s fromed with a grooved-end pipes,fittings or valves,and a victualic coupling (or Equal). (The pipe end types of steel pipe and pipe fittings) The coupling comprises thr ...

Steel pipe is a hollow tube with round cross section for the conveyance of products. It is widely used in construction industry, a variety of manufacturing and industrial applications. In plumbing systems, steel pipe can be used to transport liquids and ga ...

Hebei haihao group piping solutions team can supply the steel pipes and fittings products with various ends as per your design request. Bevel end is one of the most common pipe ends for the steel pipe and pipe fittings.Bevel End is abbreviated on drawings ...

A pipe or fitting may have different type of ends on both ends,for example,one end is plain end and the other is threaded end, or one end is socket weld and the other end is threaded, or one end is NPT thread and another is BSPT standard thread. NPT SCHXS ...