Introduction of Q355NHB weather-resistant steel plate

Q355NHB weather-resistant steel plate is weathering steel but also belongs to low alloy series, the letter Q is the first letter of yield in chinese; The number 355 refers to its yield strength of 355MPa; The letter HN is the first letter of the alphabet; The letter B stands for grade of steel.

Q355NHB weather-resistant steel plate has the advantages of rust resistance and air corrosion resistance, and the use of Q355NHB weather-resistant steel plate as a structural component has corrosion resistance, life extension, thinning and consumption reduction, energy-saving and other good characteristics.

1. Weathering steel (atmospheric corrosion resistant steel) :

Q355NHB weather-resistant steel plate is steel with copper, phosphorus, chromium, nickel and other elements added to improve atmospheric corrosion resistance.
This type of steel can be divided into high weathering steel and weathering steel for welded construction.

2. Implementation standard of Q355NHB weather-resistant steel plate: This brand is subject to GB/T 4171-2008 standard.

3. Packaging, marking and quality certificate of Q355NHB weather-resistant steel plate: the packaging, marking and quality certificate of steel plate shall conform to the provisions of GB/T 247.

The application of Q355NHB weather-resistant steel plate is mainly used for railway, vehicles, Bridges, towers and other steel structures that are exposed to the air (atmosphere) for a long time.
Q355NHB weather-resistant steel plate is mainly used in the manufacture of containers, railway vehicles, petroleum derricks, seaport buildings, oil production platforms and containers containing hydrogen sulphide corrosive media in chemical and petroleum equipment and other structural parts.