Weathering steel Atmospheric corrosion resistant steel Q355NH

According GB/T4171

Atmospheric corrosion resistant steel

7-day express delivery

Minimum order quantity of 1 ton

Precision machining provided by our own factory

Supporting multiple payment methods: CIF CFR FOB EX-WORK

Multi-port delivery at Shanghai, Ningbo, and Guangzhou

Supporting sample services

Alloword company specializes in the production of high quality Offshore platform steel and ship steel.The steels are approved by international standards.We can meet the needs of customers with professional technology and equipment.And we have cooperated with many famous brands.

Steel grades included in the standard

Steel grade designation	Name	THICKNESS from _ to in mm	WIDTH from _ to in mm
Q355NH	Atmospheric corrosion resistant steel plate	0.2-20.0	100-2000

NOTE: Not all thickness and width combinations are possible.

Chemical composition of symbol standards

Steel grade	C [%]	Si [%]	Mn [%]	P [%]	S [%]	Cr [%]	Ni [%]	Cu [%]	Mo[%]	Ti[%]
Q355NH	≤0.16	≤0.5	0.15~1.5	≤0.03	≤0.03	0.4~0.8	≤0.65	—	—	—

NOTE: Mass fraction in ladle analysis.

Weathering steel, that is, atmospheric corrosion resistant steel, is a low alloy steel series between ordinary steel and stainless steel. Weathering steel is made of ordinary carbon steel with a small amount of copper, nickel and other corrosion resistant elements, and has the characteristics of strength, plastic extension, molding, welding and cutting, abrasion, high temperature and fatigue resistance of high-quality steel.

Application field

Sustainable Energy Steel

Smart Home Appliances

Mechanical Engineering

Shipbuilding and Marine Engineering Steel

New Energy and Automobiles

Delivery information