COMMON USES FOR COLD ROLLED STEEL

COMMON USES FOR COLD ROLLED STEEL

Steel, a form of iron infused with carbon, undergoes various treatments to enhance its suitability for industrial applications. While you might be familiar with tempering, it's important to note that not all methods of steelmaking require heating the metal to its recrystallization temperature. One particularly effective treatment is cold rolling, which transforms steel into a stronger product known as Cold Rolled Steel.

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Unique Properties of Cold Rolled Steel

Cold Rolled Steel, commonly referred to as CR or CRS, is celebrated for its exceptional ductility and formability, particularly in moderate draw applications. It is also known for its stability at ambient temperatures, showing neither shrinking nor creeping.

When comparing Cold Rolled Steel with Hot Rolled Steel, several distinctions become apparent:

• Strength: Cold Rolled Steel can be up to 20% stronger than its hot-rolled counterpart, making it a preferable choice for high-stress applications.
• Precision: CRS maintains its dimensions without shrinkage post-processing, allowing for the fabrication of precise components that often require minimal to no additional processing.
• Surface Finish: The surface of Cold Rolled Steel is typically smoother and shinier, devoid of rust and scale.

COMMON COLD ROLLED STEEL PRODUCTS

Thanks to its superior surface qualities and fewer imperfections, Cold Rolled Steel is widely utilized in applications where appearance matters. Furthermore, its tight dimensional tolerances and excellent machinability render it suitable for diverse industries. Below, we explore some of its common applications.

COLD ROLLED STEEL IN CONSTRUCTION

In construction, Cold Rolled Steel is frequently employed to create beams, columns, sections, and even components for buildings such as industrial facilities and garages.

COLD ROLLED STEEL IN APPLIANCES AND MACHINERY

This material can be easily cut, bent, punched, drilled, and shaped compared to other metals, while also offering favorable mechanical properties and low yield strength. Coupled with its clean, glossy finish, Cold Rolled Steel is often the material of choice for mechanical production companies. Hence, it is widely found in household appliances, including washing machines, dryers, refrigerators, electric fans, and microwave ovens.

COLD ROLLED STEEL IN AUTOMOTIVE

Cold Rolled Steel is omnipresent in the automotive sector due to its shock-proof and wear-resistant nature. Components like electric motors, seating parts, and fuel tanks are typically manufactured from CRS.

Cold Rolled Steel from Mead Metals

Customers seeking high-quality Cold Rolled Steel often turn to Mead Metals. We possess the necessary processes, skilled personnel, and vendor relationships to ensure the delivery of an exceptional product along with timely service.

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We offer Cold Rolled Steel in various grades, including ASTM A, A109, and AISI. Our inventory includes multiple sizes and quantities tailored to meet the specific needs of your project, accommodating both high and low-volume orders. It is available in thicknesses ranging from 0.005 inches to 0.134 inches, with options from drawing quality to full hard tempers. At customer request, we can also provide tighter thickness tolerances and non-standard thicknesses.

If you require high-quality Cold Rolled Steel or other specialty metals, don't hesitate to reach out.

Cold Rolling: Advantages and Disadvantages

The cold rolling process plays a vital role in the steel industry, involving the passing of the metal sheet through rollers. (You can read more about different types of rolling mills and how to choose the right rolling mill machine.)

Should you require a firm or harder sheet of metal, flat rolling is applied. Conversely, for rods or bars, profile rolling is utilized.

The initial step of the process involves hot rolling the metal, where the rollers reach temperatures of 900 degrees Celsius or higher. Afterward, the metal cools to room temperature before being pickled to eliminate any scale resulting from hot rolling. This scale can disrupt the subsequent processing steps.

Following pickling, the metal undergoes cold rolling through rollers set below the recrystallization temperature, which relieves stress, subsequently enhancing the metal's strength and hardness.

Overall, each cold rolling cycle can reduce the metal by 50% to 90%, while enhancing dimensional accuracy by up to 20%.