The raw materials of grating are generally flat steel and Fried Dough Twists steel for welding. Here are some basic characteristics.
In fact, flat steel is a common sheet material, so there are many models and sizes. Commonly used numbers include 253, 255, 303, 304, etc. The first two digits represent the width of the flat steel, while the third digit represents the thickness of the flat steel. Therefore, many steel grating manufacturers pay attention to the following issues when selecting flat steel:
1. The surface of flat steel must be clean and very smooth to the touch. Flat steel should not have cracks, scars, tensile cracks, or oxidized layers.
2. The thickness of the flat steel should comply with the * * * standard, which means that the thickness standard should be within a tolerance of 0.25mm.
3. The shape of the flat steel should not have any deformation, and the two ends of the flat steel should also be kept neat and smooth.
Second, Fried Dough Twists steel
Fried Dough Twists steel, also known as twisted square steel, is a deep processed product in steel wire rod. Because its shape is very similar to the hemp ash we eat, it is called Fried Dough Twists steel. The manufacturing process of Fried Dough Twists steel is in place in one step. Fried Dough Twists steel plays a very important role in the steel grating, which can enhance the structural tension of the steel grating and greatly reduce the capital. Moreover, Fried Dough Twists steel has a very beautiful appearance, sharp edges and corners, and accurate diameter.
So many steel grating plates are relatively expensive, which is also due to the raw materials of steel grating plates. When choosing, everyone must ask carefully about the raw materials of steel grating plates and then choose the appropriate ones.
