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09CuPCrNi-A Weathering steel: characteristics, applications

09CuPCrNi-A Weathering steel: characteristics, applications

09CuPCrNi-A concept of weathering steel

09CuPCrNi-A is a high-strength weathering steel, also known as atmospheric corrosion resistant steel. It is a low alloy steel series between ordinary steel and stainless steel, by adding a small amount of corrosion resistance elements such as copper and nickel, so that it has excellent weather resistance and corrosion resistance.

 

09CuPCrNi-A mechanical properties of weathering steel

 

09CuPCrNi-A mechanical properties are as follows:

 

Lower yield strength: ≥345MPa

 

Tensile strength: 490~630MPa

 

Elongation after breaking: ≥22%

 

09CuPCrNi-A weathering steel characteristics

 

09CuPCrNi-A weathering steel features mainly include:

 

The weather resistance is 28 times that of ordinary carbon steel, and the coating property is 1.510 times that of ordinary carbon steel.

 

It has the characteristics of rust resistance, corrosion resistance and life extension, thinning and consumption reduction, energy saving and so on.

 

Once the "rust film" is generated, it has an 80-year corrosion resistance effect, and there is no need to apply protective paint for 80 years.

 

The rust protective film formed after the oxidation of the outer surface of the weathering steel will prevent its internal corrosion.

 

Physical properties close to low alloy structural steel.

 

09CuPCrNi-A weathering steel application range

 

09CuPCrNi-A weathering steel with its excellent atmospheric corrosion resistance, has shown broad application prospects in many fields, including:

 

Construction field: It can be used to manufacture large building structures, exterior walls and roofs.

 

Vehicle field: It can be used to manufacture railway vehicles, automobile shells and internal structures.

 

Bridge field: can be used to manufacture various bridge structures.

 

Marine field: can be used to manufacture the shell and internal structure of ships.

 

Other fields: It can also be used to manufacture towers, containers, oil derricks, harbor buildings, oil platforms and containers containing hydrogen sulfide corrosive media in chemical and petroleum equipment.
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