Magnetic particle inspection(MPI) or magnetic particle testing(MT) is a relatively simple test method that can be applied to ferromagnetic materials including finished articles,billets,hot rolled bars,castings and forgings.Magnetic particle testing require ...

Magnetic particle testing(MT) also referred to as magnetic particle inspection(MPI) is a non-destructive testing method that can detect surface and subsurface flaws in ferromagnetic materials.The method can detect surface or near-surface flaws such as crac ...

Ultrasonic testing is an nondestructive testing(NDT) technology for detecting test piece discontinuities which may not be visible to the human eye.These defects can include cracks,corrosion,inclusions,porosity outside of specified tolerances,and voids.Ultr ...

Yesterday,a customer from England asked me that whether our factory produce stainless steel pipe elbow?The answer is obvious-yes,we produce stainless steel pipe elbows more than 30 years,the elbows can be 45°,90°,180° or as customized requirements.Why we c ...

The most basic difference between a pipe elbow and a bend is that the pipe bend is longer than the elbow at the same diameter.Pipte elbow is only the bend of a pipe,but pipe bend includes a straight pipe at both ends in addition to the bent part. Carbon st ...

Large-diameter pipe elbow generally refers to the elbow with a diameter above DN600,large-diameter pipe elbow includes bevel straight seam elbow and large-caliber seamless butt welding elbow. The automatic welding production of large-diameter pipe elbows i ...

A lap joint flange(also called loose flange) consist two parts,the backing flange and the stud end,the stub end will be butt welded to the pipe,and the lap joint flange will be slip around the stub end.The lap joint flange is not connected to the pipe and ...

Reducing flanges are a durable,corrosion resistant flange designed for the connection of two pipes with varying sizes.Whether you are attempting to connect a larger pipe to a smaller pipe or a small to large,reducing flanges are what you will need to get t ...

What is a socket welding flange? Socket welding flange are typically used on smaller sizes of high pressure pipes.These pipe flanges are attached by inserting the pipe into the socket end and applying fillet weld around the top.This allows for a smooth bor ...

Hebei Haihao Group is Chinese leading flanges,pipe fittings&steel pipes manufacturer with over 35 years experience.We will attend NEFTEGAZ 2019(the 19th International Exhibition for Equipment and Technologies for the Oil & Gas Industries). Haihao G ...

Haihao Group is one of the leading steel piping manufacturer in China. We are specialized in stainless steel flange, fittingsand pipe. A pipe bend looks like a elbow of different bending radius. The most regular pipe bends are 30 degree, 45 degree, 90 degr ...

In october,Hebei haihao pipe fitting factory just finished the fittings order of piping system for airplane fuel ,the order products are steel pipes and pipe fittings with external 3LPE coating and internal epoxy paint lining. steel-pipe-epoxy-lining-thick ...

We are a carbon steel pipe fitting company in hebei provence, china. Since 1982 we began to making pipe fittings & flanges. We have a pipe fitting & flange factory in cangzhou, hebei provence. And now we have improve our pipe fitting quality and sc ...