Hebei Haihao Group received the order request of large size tubes sheets products,and we are producing the tube sheets now.Our clients are leading engineering company,the tubes sheets diameters are around 4 meters,will be used for high capacity heat exchan ...

JIS B2220 flange products,JIS B2220 flange products tolerance-Hebei Haihao Group After more than 30 years development,Hebei Haihao Group obtained the recognition from the clients and end users of domestic markets and all over the world.We have world-famous ...

JIS B2220 Products | JIS B2220 flanges products | JIS B2220 flange products manufacturer-Hebei Haihao Group Haihao Group established in 1982,is one of the biggest flange and pipe fittings manufacturers in China.We manufacture the pipe fittings and flanges ...

JIS B2220 is Japanese Industrial Standard,it’s one of the international standards.The JIS B2220 Standard Products contain pipe fittings and flanges products.This standard specifies steel pipe flanges of normal size 10A to 1500A for normal pressure 5K ...

November 30, 2016,Canada Border Services Agency (CBSA) determine the Oil country tubular goods pup joints made in China will keep the anti-dumping tax,to project the steel pipeline industry of Canada. OCTG Coupling Joints For Oil & Gas Pipeline Manufac ...

The intergranular corrosion(intergranular attack) usually progresses along a narrow path along the grain boundary and in a severe case of grain-boundary corrosion,entire grains may be dislodged due to complete deterioration of their boundaries.In any case ...

This part of ISO 3651 specifies methods for the determination of the resistance to intergranular corrosion of ferritic,austenitic and ferritic-austenitic (duplex) stainless steels in media containing sulfuric acid.It also specifies the purposes which may b ...

When the stainless steel pipe fittings or forged steel flange products are manufactured in our factory,we should keep attention to the intergranular corrosion of such piping products.The microstructure of metals and alloys are made up of grains,and they ar ...

Septermber 29th,inspector from SGS carried out the third party inspection to our stainless steel butt welding pipe fittings in Haihao Pipe Fitting Factory before shipment. SGS Inspectoe Tested Our A403 WP321 Elbows These pipe fittings will be used in high ...

JOINTECH is leading inspection ISO Certified organization operating in Karachi,Pakistan offering Services for Non-Destructive Testing (NDT) & Lifting Equipment Inspection Services. RF Flange Raised Facing Requirement Engineers from Hebei Haihao communi ...

After 20days hard working,Haihao Pipe Fitting Factory finished the steel pipe fittings order from Indian boiler group. IBR CERITICATE HIGH PRESSURE PIPE FITTINGS PMI TEST IN HEBEI HAIHAO GROUP These pipe fittings materials are carbon steel and alloy steel ...

To prepare the Indian Boiler Regulations(IBR)Inspection,Haihao pipe fittings team did a lot of work for the documents,and worked together with the BV inspector in the following process: Surface Inspection: Checking 10% quantity Randomly.Mainly Checking th ...

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 ...