Q450NQR1 Hot-rolled steel plates and strips for high-strength corrosion-resistant structures:Grade: Q450NQR1 steel
Standard: TB/T 1979-2014
Scope: This standard specifies the dimensions, shape, technical requirements, inspection and testing, packaging marks and quality certificates of hot-rolled steel sheets and strips for corrosion-resistant structures.
Category: Hot continuous rolled steel for high-strength and corrosion-resistant structures
Shapes: steel plate and strip, section
Q450NQR1 high strength corrosion resistant steel is added to the steel with a fixed content of alloying elements, such as Cu, P. Cr, etc., to promote the formation of protective oxides on the surface of the product to improve the pit corrosion resistance used in the atmosphere.
ApplicationQ450NQR1 corrosion-resistant structural steel prod ucts are used for the welding of environmental protection equipment for container railway vehicles, construction machinery and construction steel structures, and structural parts. It is widely used in the manufacture of various structural parts with certain corrosion resistance requirements.
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