Industry Information

Update October 26, 2018

Pre-Coated Bolts, Studs, & Nuts In addition to specializing in the fastener coating service, Bangdong offers pre-coated bolts, studs, and nuts available for purchase. The pre-coated fasteners are...

Update October 26, 2018

Concrete pump pipe fittings connection characteristics

Concrete pump pipe connection has a unique flexible characteristics of the pipeline with anti-vibration, anti-shrinkage and expansion of capacity, compared with the welding and flange connection,...

Update October 26, 2018

9 FACTS ABOUT 5D BENDS

Pipe bends are used in many industries, including chemical, oil and gas, electric, metallurgy and shipbuilding. Pipe bends function as structural passageways to facilitate the transfer of substances,...

Update October 25, 2018

Bangdong Butt Weld Pipe Fittings Manufacturing Process

Pipe Fittings Manufacturing Process Pipe Fittings Manufacturing Process There are various Pipe Fittings Manufacturing Process that used to manufactured Elbow, Tee, Reducers and other pipe fittings....

Update October 25, 2018

What’s The Difference Between LR Elbow And SR Elbow?

What’s the difference between LR elbow and SR elbow? Both long radius and short radius elbows can be used to connect pipes and also have the same inner and outer diameter, angle and wall thickness....

Update October 25, 2018

Causes of corrosion of stainless steel welded pipes

In many industrial applications, stainless steel can provide satisfactory corrosion resistance. According to the experience of use, in addition to mechanical failure, the corrosion of stainless steel...

Update October 24, 2018

Remove the flange or valve drainage should pay attention to what

Demolition of flanges or valve drainage belong to routine routine chemical industry, we work before we have to understand what is thes hidden danger of this work: Liquid or gas splashes, scalding...

Update October 24, 2018

Eccentric reducer with concentric reducer differences and similarities

Concentric reducer and eccentric reducer is what are the differences and similarities? Online explained: "the pipe gas phase medium will produce liquid; the liquid medium can produce gas, concentric...

Update October 24, 2018

Differences Between Steel Pipe & Black Iron Pipe

The average homeowner is unaware of how much piping leads into and out of their home. There are the ever-present pipes underneath the sin k or ones leading to the hot water heater. However, an...

Update October 23, 2018

Producing stainless steel pipes by extrusion is already the most mainstream

Hot extrusion process is the main production process of the current hot-worked stainless steel seamless pipe. With the development of technology, some types of hot-rolled steel pipe units can produce...