Q355NH material is a weather resistant steel udner GB/T 4171 standard, which contains the small amount of copper and nickel. There are five quality classes for Q355NH (Grade A, B, C, D, E). Q355NHA, Q355NHB, Q355NHC, Q355NHD, Q355NHE grades steel all have same yiled strength (355MPa min.).
Q355NH steel plate has the characteristics of high-quality steel for toughness, plastic elongation, forming, welding, abrasion, high temperature and fatigue resistance.
Q355NH Material Chemical Composition
carbon (0.16%) max
phosphorus (0.030%) max
sulphuric (0.030%) max
silicon (0.50%) max
chromium(0.80%) max
vanadium(0.12%) max
molybdenum(0.30%) max
Niobium(0.06)max.
copper (0.55%) max
Q355NH Material Steel Plate Specification
Thickness: 1.2-150mm
Width: 1220-4200mm
Length: 5000-18000mm
Notes: coil thickness ≤ 25mm
MOQ: 10 PC
Product type : Steel plate, sheet, coils, sections
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .
Q355NH material is mainly used for steel structures exposed to the atmosphere such as railways, vehicles, bridges, and towers. Q355NH steel plate can also be used to manufacture structural parts such as containers for corrosive media in containers, railway vehicles, oil derricks, seaport buildings, oil production platforms and chemical petroleum equipment.