SPCC Spcd Spce Spcf Spcg Cold Rolled Steel Strip Coils

What is cold-rolled steel?
A: Cold-rolled steel is made from hot-rolled steel, rolled at room temperature using a cold rolling mill. It features a smooth surface, high dimensional accuracy, and superior mechanical properties.
What are the main materials used for cold-rolled steel?
A: Common materials include low-carbon steel (such as SPCC and DC01), high-strength steel (such as DP series and HSLA), stainless steel (such as 304 and 316), and galvanized cold-rolled steel.
What are the core differences between cold-rolled and hot-rolled steel?
A: The core differences lie in the production process (room temperature cold rolling vs. high temperature hot rolling), surface quality (cold rolling offers smoother results), dimensional accuracy (cold rolling offers higher results), and mechanical properties (cold rolling offers higher strength and hardness, but slightly lower toughness).
How is cold-rolled steel classified based on surface treatment?
A: It can be divided into untreated cold-rolled steel, galvanized cold-rolled steel (hot-dip galvanized/electrogalvanized), tinned cold-rolled steel, and color-coated cold-rolled steel.
What is the typical thickness range for cold-rolled steel?
A: The regular thickness is 0.15-3.0mm. Thinner or thicker specifications can be customized according to special needs.