Metal Grating Floor

Metal Grating Floor

Metal grating is also called steel grating, grating is made of flat steel according to a certain spacing and crossbar arrangement, and welded into the middle with a square lattice of a steel product, steel bar grating is generally made of Q235 hot rolled flat steel, hot dip galvanised on the outside, can play a role in preventing oxidation. Can also be made of stainless steel. Floor grating steel as a new material, new products are getting more and more widely used, its more superior performance and good performance-price ratio shows the prospect of its application.

1. The permissible deviation of the length of the steel grating is -0.5mm, and the permissible deviation of the width is ±5mm;

2 . The non-perpendicularity of the load-bearing flat steel is not more than 10% of the width of the flat steel;

3. Positional deviation of crossbar: the surface of crossbar should not exceed the surface of load-bearing flat steel by 1mm; the two ends of crossbar should normally not exceed the end face of steel grating on both sides by 2mm; 

4. longitudinal bending: the longitudinal bending deflection of the steel grating plate should not be greater than 1/200 of the length;

5. transverse bending: the steel grating plate should not exceed the surface of the flat steel;

6. transverse bending: the transverse bending deflection of steel grating should be less than 1/100 of the width;

7. Diagonal deviation: the relative deviation of the diagonal of the steel grating due to the size tolerance should not be more than ±5mm.

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