"Hot Rolled Corten Steel Plate" refers to hot-rolled weathering steel plates. Below is a detailed introduction to it:

 

Performance Features

Excellent Weather Resistance
Through the action of alloying elements, a dense and strongly adherent protective film forms on the steel surface, preventing further corrosion and diffusion. Its atmospheric corrosion resistance is significantly better than plain carbon steel, with weather resistance 2–8 times that of ordinary carbon steel.

Good Mechanical Properties
It possesses the strength, toughness, plasticity, formability, weldability, abrasion resistance, high-temperature resistance, fatigue resistance, and other characteristics of high-quality steel, meeting the usage requirements of various engineering structures.

Unique Appearance Effect
When exposed to natural environments, the steel surface gradually forms a stable rust-red oxide layer through interaction with air, rainwater, etc., presenting a distinctive rust-colored appearance that adds a unique visual effect to architectural and landscape designs.

 

 

Chemical Composition

Weathering steel is typically produced by adding small amounts of alloying elements such as copper (Cu), chromium (Cr), nickel (Ni), and phosphorus (P) to plain carbon steel. For example, the chemical composition of CORTEN A steel generally includes:

 

Mn: 0.20–0.50

C: 0.12

S: 0.030

Si: 0.25–0.75

Ni: 0.65

P: 0.07–0.15

Cr: 0.50–1.25

Cu: 0.25–0.55

 

 

 

 

Production Process

Smelting
Generally, refined materials are charged into the furnace, and micro-alloying treatment is carried out through converter or electric furnace smelting. Appropriate alloying elements are added to adjust the chemical composition and properties of the steel.

Refining
The molten steel undergoes processes such as argon blowing and LF (Ladle Furnace) refining to further remove impurities and gases, improving the purity of the molten steel.

Continuous Casting
A low superheat continuous casting process is adopted, and rare earth wires are fed simultaneously to improve the quality and performance of the steel. The molten steel is cast into slabs.

 

 

 

 

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