09CuPCrNi is a weathering steel designed to resist atmospheric corrosion and provide high strength and good toughness. It is commonly used in the construction industry on structures such as bridges, buildings and other outdoor equipment that are exposed to harsh weather conditions.
The composition of 09CuPCrNi steel typically contains alloying elements such as copper, chromium and nickel, which help improve its corrosion resistance. These elements react with the atmosphere to form a protective layer of rust that helps prevent further corrosion of the steel.
China TB/T 1979 09CuPCrNi-B Weather Resistant Steel Plate Chemical Composition and Mechanical Property:
|
C max |
Si |
Mn |
P |
S max |
Cu |
Ti |
Cr |
Ni |
Re |
|
0.12 |
0.10-0.40 |
0.20-0.50 |
0.060-0.12 |
0.020 |
0.25–0.45 | - | 0.30-0.65 | 0.25-0.50 | - |
| Grade | Yield Strength (MPa) min. | Tensile Strength (MPa) min. | Elongation min. % |
|
TB/T 1979 09CuPCrNi-B |
295 | 431 | 24 |
