Weathering steel
Weathering steel, also known as atmospheric corrosion-resistant steel, is a low-alloy steel between ordinary steel and stainless steel. Weathering steel is made of ordinary carbon steel by adding a small amount of copper,
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Product Introduction:

  Weathering steel, also known as atmospheric corrosion-resistant steel, is a low-alloy steel between ordinary steel and stainless steel. Weathering steel is made of ordinary carbon steel by adding a small amount of copper, nickel and other corrosion-resistant elements, the weather resistance is 2~8 times that of ordinary carbon steel, and the coating is 1.5~10 times that of ordinary carbon steel. At the same time, it makes the components have the advantages of rust resistance and life extension, thinning and consumption reduction, labor saving and energy saving. In view of this, weathering steel is widely used in the manufacture of containers, railway vehicles, oil derricks, port buildings, oil production platforms and containers containing hydrogen sulfide corrosive media in chemical and petroleum equipment
       

 

  category

Enforce the standard

Steel grade

Thickness specification/mm

Main uses:

Weathering structural steel

GB/T 4171-2008

Q235NH、Q295NH

6-80

It has high corrosion resistance and is widely used in the manufacture of bridges, pipelines, etc

Q355NH

6-80

Q415NH

8-60

Q460NH

8-60

Q295GNH、Q355GNH

6-20

  ●Weathering steel features:

  (1) Weathering steel has the characteristics of high-quality steel, such as toughness, plastic ductility, forming, welding and cutting, abrasion, high temperature, fatigue resistance, etc.; The weather resistance is 2~8 times that of ordinary carbon steel; It can be used without coating and exposed, so that the components can resist corrosion and prolong life, reduce thinning and consumption, save labor and energy.
 (2) Weathering steel is mainly used for steel structures that are exposed to the atmosphere for a long time, such as railways, vehicles, bridges, and towers. It is also used for handicrafts and garden landscapes.  
 
 
 ●Weathering steel application
 
  

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