Products Description
Cupcrni-a weathering steel plate is A kind of outdoor corrosion resistant engineering steel, belonging to ordinary low alloy steel, mainly used in railway, vehicles, Bridges, iron towers and other steel structures.
This kind of steel plate is exposed to the atmosphere for a long time, and has the characteristics of rust prevention, corrosion prevention and life prolonging, thinning and consumption reduction, labor saving and energy saving.
09CuPCrNi-A weather-resistant steel plate characteristics
Weather resistance: Compared with ordinary carbon steel, the weather resistance of 09CuPCrNi-A weathering steel plate is 2-8 times that of ordinary carbon steel, and the coating performance is 1.5-10 times that of ordinary carbon steel.
Corrosion resistance: By coating a layer of corrosion-resistant alloy layer on the surface of the steel plate, 09CuPCrNi-A weathering steel plate has excellent corrosion resistance and can adapt to various harsh environmental conditions, such as Marine environment, industrial gases and so on.
Excellent mechanical properties: the steel plate has the characteristics of toughness, ductility, formability, weldability and cutting, wear resistance, high temperature resistance and fatigue resistance of high-quality steel.
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09CuPCrNi-A Chemical composition |
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Grade |
The Element Max (%) |
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09CuPCrNi-A |
C |
Si |
Mn |
P |
S |
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≤0.12 |
0.25-0.75 |
0.20-0.50 |
0.06-0.12 |
≤0.020 |
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|
Cr |
Cu |
Ni |
RE |
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0.30-1.25 |
0.25-0.50 |
0.12-0.65 |
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
Thickness |
Yield |
Tensile |
Elongation |
Delivery state |
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09CuPCrNi-A |
mm |
Min Mpa |
Mpa |
Min % |
|
|
4< |
345 |
480 |
24 |
Hot rolling |
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≤4 |
310 |
440 |
26 |
Cold rolling |
Products application
09CuPCrNi-A corten steel sheet is a type of high-strength, low-alloy weathering steel specifically designed for outdoor applications that require both structural reliability and long-term resistance to atmospheric corrosion. It is commonly used in containers, power plant chimneys, railway engineering, and large outdoor sculptures, where exposure to harsh weather conditions such as rain, humidity, and temperature changes is frequent.
Thanks to the addition of alloying elements like copper, chromium, and nickel, 09CuPCrNi-A steel forms a dense, stable oxide film on the surface after exposure to the atmosphere. This protective rust layer prevents further corrosion, allowing the material to maintain its strength and structural integrity over decades - even without painting or special coatings.
Because of its excellent durability and unique rustic appearance, 09CuPCrNi-A corten steel is also popular in modern architecture, landscape design, garden decoration, and public art installations. It combines industrial strength with aesthetic appeal, creating natural, weathered surfaces that evolve beautifully over time.
Compared with stainless steel, weathering steel like 09CuPCrNi-A provides a more cost-effective solution, offering superior corrosion resistance and mechanical performance at a much lower price. It bridges the gap between ordinary carbon steel and stainless steel - delivering low maintenance, environmental sustainability, and long-lasting performance in outdoor environments.
