Q355NH Q460NH Corten Steel Structure
Q355NH is weather-resistant structural steel, a low-alloy steel series between ordinary steel and stainless steel. It is made of ordinary carbon steel with a small amount of copper, nickel and other corrosion-resistant elements added. It has the strength, plastic extension, shaping, welding and cutting of high-quality steel. , abrasion, high temperature, fatigue resistance and other characteristics; the weather resistance is 2 to 8 times that of ordinary carbon steel, and the paintability is 1.5 to 10 times that of ordinary carbon steel.
Q460NH is a high-strength structural steel with good weather resistance and corrosion resistance. Q460NH cor ten plate forms a dense oxide layer (weather-resistant layer) in the atmospheric environment, which can effectively prevent further corrosion on the steel surface. This oxide layer forms quickly and can form a protective layer in a shorter period of time, reducing the need for maintenance and repair. Q460NH corten steel metal has good atmospheric corrosion resistance and can resist the erosion of acid rain, salty fog and other atmospheric pollutants. It is suitable for use in humid and corrosive environments.
Q355NH weathering steel chemical composition
| Grade | C | Si | Mn | P | S | Cu | Cr | Ni |
| Q355NH | 0.16 | 0.5 | 0.5-1.5 | 0.03 | 0.03 | 0.25-0.55 | 0.40-0.80 | 0.65 |
Q460NH corten weathering steel chemical composition
|
Grade |
C |
Si |
Mn |
P | S | Cu | Cr | Ni |
|
Q460NH |
≤0.12 |
≤0.65 |
≤1.50 |
≤0.025 | ≤0.030 | 0.20-0.55 | 0.30-1.25 | 0.12-0.65 |
Q355NH corten steel mechanical property
| Grade | Yield Strength(MPa) | Tensile Strength(MPa) | % Elongation in 2 in.(50mm) min |
| Q355NH | 355 | 490-630 | 22 |
Q460NH corten b steel mechanical property
| Grade | Yieldstrength(MPa), min, for T in mm | Tensilestrength(Mpa) | ,Elongation(%) | ||||||
| Q460NH | ≤16 | >16,≤40 | >40,≤60 | >60 | 570-730 | ≤16 | >16,≤40 | >40,≤60 | >60 |
| 460 | 450 | 440 | - | 20 | 20 | 19 | - | ||
Q460NH corten structural steel application areas
Construction: Q460NH corten steel sheet metal is commonly used for structural components in construction projects, such as bridges, towering buildings, and observation decks. It is able to resist corrosion and oxidation under atmospheric conditions, providing long-lasting structural safety, and is also widely used for its aesthetic appearance.
Vehicle Manufacturing: Due to its high strength and good weather resistance, Q460NH corten steel sheets can be used in the manufacturing of vehicles such as cars, trains and trucks. It provides structural strength and safety and can resist environmental corrosion in long-term use.
Parts Manufacturing: Q460NH corten steel plate is also widely used in the field of parts manufacturing, such as the manufacture of wear-resistant parts, lifting machine parts, engineering machinery parts and so on. Its high strength and corrosion resistance can meet the requirements of these parts in harsh environments.
Shipbuilding: Q460NH weathering steel plate is also commonly used in the field of shipbuilding, such as the manufacture of hulls, cabins and other structural components. It can provide structural strength and corrosion resistance, while reducing the workload and cost required for subsequent maintenance.
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