The heat treatment of stainless steel is to change its physical properties, mechanical properties, residual stress and restore the anti-corrosion ability that is seriously affected by pre-processing and heating, in order to obtain the best performance of s ...

In the rolling of seamless steel pipes, especially in the production process of precision seamless steel pipes, how does that pickling process proceed? As a professional supplier of steel pipes, flanges and fittings, we will unveil this mystery for you! 1. ...

When the stainless steel tube surface appears brown rust spot (spot), some people will feel more surprised, think “stainless steel is not rust, rust is not stainless steel, may be the steel problem”. In fact, this is the lack of understanding o ...

The pipeline anti-corrosion processing generally refers to external coating and internal coating.The external coating is mainly used for anti-corrosion protection for liquid pipes before burying,and internal coating is mainly used to reduce the investment ...

Sometimes client would ask for the material like L415N,do you know what the meaning is? Actually it indicate the delivery condition under API 5L. Take L415N for example,L means line pipe,415 means specified minimum yield strength in MPa and,N means normali ...

The integrity of the flange connection is critical to the fluid pipeline system. Whether it is a pipeline system that transports chemical media (such as hydrocarbons) or a water supply pipeline, flange connection leakage can cause serious environmental and ...

A flange does not cost too much, so how does it save you 200 thousand yuan? The main features of flange connection are convenient disassembly, high strength and good sealing performance. Flange plays a connecting role in the pipeline system. Once there is ...

Last page we know there are sever types of pipeline corrosion.Different types of coatings are designed to mitigate corrosion in different environments, including plant-manufactured systems and construction site tapes.Read this article you will know several ...

As is known to all, China is the world’s most important exporter of steel pipes, fittings, flanges and related products. Many countries have a large demand for steel pipes and accessories in infrastructure and economic construction. What impact will ...

In the last article we learned what is pipeline corrosion and its process,you must want to avoid it.As the saying goes, “know the enemy and know yourself, and you can fight a hundred battles with no danger of defeat”,the first thing you must do ...

Pipeline corrosion refers to the deterioration of pipeline materials and related systems due to the interaction with the working environment.It affects pipes and fittings made of metal and non-metal.Pipeline corrosion can related catastrophic failures that ...

Hebei Haihao Group completed the supply of S31803 seamless steel pipe in the upgrading project of Australian Navy wharf, which involves DN200 SCH80S SMLS PIPE A790 S31803 7.122 MTR and 7.222 MTR LENGTH POLISHED TO Ra 1. 6,total 1000 meters.All of them are ...

Steel tubes for structural purposes can be seamless steel pipe and welded steel pipe. Main applications are: hall structures, sea trestle bridges, airport structures, docks, security door frames, garage doors, reinforced steel doors and windows, indoor par ...

Steel-lined PTFE pipes and fittings meet the HG / T21562-94 standard (also can be manufactured according to ASTMF1545 standard). The product has excellent quality and has the following characteristics: 1.Operating temperature Under the condition of strong ...

Line pipes systems are widely used in the most of the Chemicals, Petrochemicals, Food industries, Pharmaceuticals.Due to the highly acidic and corrosive nature of these chemicals, they have a tendency to corrode and corrode the steel piping which are used ...

Hastelloy is nickel-molybdenum corrosion-resistant super alloy used for a wide range of chemical processing, pollution control and waste treatment applications. These nickel alloys have a low carbon content that helps maintain the material’s resistance to ...

This month, our company exported a batch of 825 alloy steel plates to Uzbekistan. What is 825? Incoloy 825 is a fully austenitic ferronickel chromium alloy stabilized with titanium, and copper and molybdenum are added. Incoloy 825 is a kind of general engi ...

The union is generally used for the front end and the back end of the pipeline with valves, water meters and other equipment, to facilitate the disassembly and maintenance of these equipment, the middle is to rely on the clamping tight sealing pad to seal. ...

Outlet pipe fitting(also called pipe branch fittings,branch connection fittings,tube base or O’lets) is the connection of a large-diameter branch to a small-diameter pipe.The pipe on which the outlet is welded is called the run pipe,and the pipe weld ...

First, when we talking about the sweepolets, will think of the tees. Under certain circumstances, the advantages of the sweepolets compared to the tee are as follows: 1. Sweepolet saddle can overcome the defeats in the process of making tee without weak po ...