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www.yaang.com provide a wide range of steel products as Steel pipe, Steel pipes and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc.

Main factors affecting flange sealing performance

Main factors affecting flange sealing performance

Bolt pre-tightening force An important factor affecting sealing. The pre-tightening force must compress the gasket to achieve the initial seal. Properly increasing the bolt pre-tightening force can increase the sealing ability of the gasket, because increasing the pre-tightening force can make the ...

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Austenitic stainless steel should also pay attention to: cold work hardening, high temperature aging embrittlement

Austenitic stainless steel should also pay attention to: cold work hardening, high temperature aging embrittlement

The intergranular corrosion tendency test of stainless steel is a common content in design documents, and the relevant content in standards such as HG/T 20581 is relatively clear. The water pressure test or the chloride ion content in the operating medium is ...

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How to correctly select special valves such as drain valve, safety valve and pressure reducing valve?

How to correctly select special valves such as drain valve, safety valve and pressure reducing valve?

In the fluid pipeline system, the valve is the control element, whose main functions are opening and closing, throttling, regulating flow, isolating equipment and pipeline system, preventing medium backflow, regulating and discharging pressure, etc. There are many kinds of valves with complex varieties. ...

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How to design the size of axial positioning pipe sleeve forgings?

How to design the size of axial positioning pipe sleeve forgings?

In order to prevent the pipe sleeve forging from axial movement under axial load, the axial positioning device is applied to the bearing on the shaft and in the hole. How to design the size of axial positioning pipe sleeve forging? ...

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What is silver bright steel?

Silver bright steel It is also called silver steel branch, commonly known as bright round bar or smooth circle. It refers to the round steel with bright surface without rolling defects and decarburization layer. All kinds of steel, carbon steel, easy cutting ...

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What is carburized steel?

What is carburizing? Carburizing is a kind of surface heat treatment technology, which points to the heat treatment method of quenching after carburizing atoms on the surface of steel parts. Through the infiltration of carbon, the wear resistance, durability, toughness and other properties ...

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Quality management measures of pressure vessel manufacturing materials

Reasonable selection, proper storage and correct use of manufacturing materials are the prerequisite and basis for ensuring the quality of pressure vessels. This article makes some meaningful discussions on the material quality management issues in pressure vessel manufacturing, hoping to ...

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What is stainless steel strip?

What is stainless steel strip?

What is stainless steel strip? Stainless steel strip can be regarded as the extension product of ultra-thin stainless steel plate. It is a kind of long and narrow stainless steel plate which is usually manufactured to meet the needs of various industrial ...

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What is Q235?

What is Q235? Q235 steel is a kind of carbon structural steel. It is equivalent to A3 and C3 steel in the old standard gb700-79, and the Russian toct brand is used. Q in the steel grade represents the yield ...

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Research Progress on stress corrosion crack propagation behavior of cold worked nuclear power structural materials in high temperature and high pressure water

Research Progress on stress corrosion crack propagation behavior of cold worked nuclear power structural materials in high temperature and high pressure water

In the early nuclear power plants, the pipes were mainly made of 304SS and 316SS austenitic stainless steel, and stress corrosion cracking (SCC) often occurred in the cold working area of steel pipes. Transgranular stress corrosion (TGSCC) of welded core shroud ...

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