EN 10025-5 S355K2W Weathering Steel Strong, Sustainable

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional en 10025-5 s355k2w weathering steel strong, sustainable manufacturers and suppliers in China. Welcome to wholesale customized en 10025-5 s355k2w weathering steel strong, sustainable at competitive price from our factory. Good service and quality products are available.

 

 

 

 

 

 

EN 10025-5 S355K2W Weathering steel

 

 

 

 

 

 

 

The designation "S355" indicates a nominal yield strength of 355 MPa, "K2" highlights enhanced low-temperature impact performance, and "W" specifies that the steel is a weathering steel with improved atmospheric corrosion resistance.

 

This steel grade is engineered to naturally form a protective oxide layer (patina) on its surface when exposed to the environment. Unlike conventional carbon steel, this self-protecting layer prevents deep corrosion, reducing or even eliminating the need for protective paints or coatings in outdoor structures.

 

S355K2W combines high structural strength, toughness, and weather resistance, making it ideal for industrial construction, infrastructure, and exposed architectural projects.

 

 

 

 

Chemical Composition

 

The chemical composition of S355K2W is optimized to balance strength, toughness, and atmospheric corrosion resistance. Typical composition (weight %) is:

 

Element	C	Si	Mn	P	S	Cr	Cu	Ni
Typical	≤0.20	≤0.55	≤1.50	0.07–0.15	≤0.05	0.30–1.00	0.25–0.55	0.25–0.50

 

 

 

 

 

Exhibition

 

 

 

          

              

 

 

 

 

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