Cold rolled steel stampings are precision-formed components made from high-quality cold rolled steel. This material undergoes a process where the steel is passed through rollers at room temperature, ensuring a smooth, consistent surface and improved strength.Its durability, corrosion resistance, and versatility make it a top choice for industries requiring high-performance materials.With over 25 years, Worthy specializes in providing high-quality cold rolled steel stamping solutions tailored to your unique needs.Our stamping maches range from 25 tons to 500 tons, and the thickest material is up to 12 mm.As an ISO certified company, we are committed to providing excellent services for your cold rolled steel stamping project.

What is Cold Rolled Steel Stamping?

Cold rolled steel stamping is a manufacturing process where cold rolled steel sheets are transformed into specific shapes and components using stamping presses. The steel is first cold-rolled, meaning it’s passed through rollers at room temperature to achieve a smooth, uniform surface. In the stamping process, the steel is then pressed with high pressure to create precise, intricate shapes such as automotive parts, electronics casings, or machinery components

Properties of Cold Rolled Steel

Cold rolled steel is known for its unique set of properties that make it ideal for a wide range of applications:

Increased Strength: The cold rolling process enhances the strength of steel, making it stronger than hot-rolled steel.

Smooth Surface: It has a smooth, refined surface that is ideal for aesthetic purposes and coatings.

Improved Tolerance: Cold rolled steel offers tighter tolerances and more precise dimensions than hot-rolled steel.

Better Surface Finish: The process creates a higher-quality finish, free from defects like scale and pitting.

Enhanced Durability: The material is more resistant to wear and tear due to its increased strength.

Corrosion Resistance: Cold rolled steel is less prone to rust and corrosion, making it suitable for a variety of environments.

Formability: Despite its increased strength, it remains highly formable, allowing it to be shaped into complex designs without sacrificing durability.

Disadvantages of Cold Rolled Steel

Higher Cost: The cold rolling process is more energy-intensive and time-consuming, which often results in higher material costs compared to hot-rolled steel.

Brittleness: Although cold rolling increases strength, it can also make the steel more brittle, especially in certain grades, making it more prone to cracking under certain conditions.

Limited Thickness: Cold rolled steel is generally produced in thinner gauges, which may limit its application for certain heavy-duty uses.

More Susceptible to Damage: The smooth surface, while beneficial for aesthetics, can be more easily scratched or damaged during handling compared to hot-rolled steel.

Difficult to Weld: Cold rolled steel can be more challenging to weld than hot-rolled steel due to its increased hardness, requiring more specialized equipment and techniques.

Reduced Ductility: The cold-working process can decrease the material’s ability to bend or stretch without breaking, limiting its applications in some forming processes.

Cold Rolled Steel Stamping Operations Involved :

Blanking: Blanking is the process of cutting out flat shapes (blanks) from a large sheet of cold rolled steel. These blanks are the starting point for further stamping operations. The shape of the blank is determined by the design of the die used in the press.

Bending: Bending involves deforming the cold rolled steels sheet along a straight line to create angles or curves. The process is often used to form complex shapes such as brackets, panels, and housings. Bending is done by applying force to the cold rolled steel sheet with a press brake, which pushes the material over a die to achieve the desired angle.

Forming: Forming is a general term for shaping the cold rolled steel sheet into more complex, three-dimensional forms. This operation typically involves stretching, compressing, or manipulating the material into shapes like deep-drawn cups, trays, or other structural components.

Piercing: Piercing is the process of creating holes or slots in the cold rolled steel sheet. This is typically done with a punch press, where a punch forces the material into a die, creating a clean hole.

Coining: Coining is a high-pressure stamping operation used to create intricate, detailed designs or features on the surface of the cold rolled steel sheet. It can be used to produce fine details, such as logos, text, or texture.