We’re one of Utah’s top steel suppliers at Wasatch Steel, and we’re here to provide you with all the custom steel you need to complete your next project. Steel sheets of all shapes and sizes are some of our most popular products, and we provide them at industry standard quality.
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There are dozens of different styles and variations of steel sheets. One of the most common ways to classify them is by the temperature at which they were rolled – cold rolled or hot rolled. Let’s look at the pros and cons of cold rolled steel for your next project.
What is It?
When steel is rolled out to form a coil during its production, this is done at varying degrees of temperature. In all cases where this temperature is considered at or below the room temperature, this is considered cold rolled steel.
Cold rolled steel will be smooth to the touch, strong and not particularly flexible. It’s generally found in flat, square or round shapes.
Pros
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There are a couple distinct benefits to cold rolled steel:
- Strength: Cold rolled steel is up to 20 percent stronger than typical hot rolled steel. Using heat to roll the steel can weaken it, but keeping it above room temperature holds its structural integrity. This makes it perfect for your biggest and toughest projects.
- Surface finish: Cold rolled steel also looks better than hot rolled. It’s the preferred technique for furniture, cars and other aesthetic areas for this reason, and has a modern look.
Cons
There are also a couple downsides to cold rolled steel for some people:
- Price: Because of its advantages over hot rolled steel, cold rolled steel is more expensive. Also, because cold rolled steel is tougher to manipulate, it’s takes more time and can cost more to take it through similar processes.
- Width: Shaving down a hot rolling metal sheet is very due to the temperature, but it can’t be done with cold rolled steel. This means you have to be more careful about measuring width in advance – you won’t have any leeway once you get started.
- Time: As we mentioned above, the difficulty in manipulating cold rolled steel can make projects take longer to complete than the equivalent project using hot rolled steel.
Unlike Hot rolling cold rolling has a fast forming speed, high output, and without damaging the coating, it can be made into a variety of cross-sectional forms to meet the needs of utilization conditions; cold rolling can cause large plastic deformations in the steel, thereby improving the steel Yield point.
- 1. Although there is no thermal plastic compression during the forming process, slag stress still exists in the section, which affects the characteristics of the steel group and local buckling.
- 2. The style of cold-rolled steel is usually an open section, which makes the free rotation stiffness of the section low. It is easy to rotate when bent and bend torsional buckling when pressed, and its torsion resistance is poor.
- 3. The wall thickness of cold-rolled steel is small, the corners where the plates are joined are not thickened, and the load is weak.
For more information, please visit Hot Dipped Galvanized Coil.