Q310GNH Weather resistant steel plate has a protective layer of rust resistance to atmospheric corrosion, GB/T 4171 Q310GNH Weather resistant steel plate can be used in the manufacture of vehicles, bridges, towers, containers and other steel low-alloy structural steel.
Compared with carbon steel, Q310GNH steel has better corrosion resistance in the atmosphere. Compared to stainless steel, only trace amounts of alloying elements, alloys such as weathering resisting steel elements of total phosphorus, copper, chromium, nickel, molybdenum, niobium, vanadium, titanium, etc. is only a few percent.
GB/T 4171 Q310GNH Weather resistant steel plate Specification
Thickness:1mm -100mm
Wide: 1000mm to 4100mm
Length: 1000mm to 12000mm
Chemical Composition and Mechanical Property
| Grade | C | Si | Mn | P | S | Cu | Cr | Ni |
| Q310GNH | 0.12 | 0.25-0.75 | 0.20-0.50 | 0.07-0.12 | 0.02 | 0.20-0.50 | 0.30-1.25 | 0.65 |
| Grade | Yield Strength(MPa) | Tensile Strength(MPa) | % Elongation in 2 in.(50mm) min |
| Q310GNH | 310 | 450 | 26 |
