The specification of plain type and serrated type bearing bar is 25 x 3 to 100 x 8; The specification of I-section type is 25 x 5x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.
2) Bearing Bar Pitch (center to center):
12.5, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40,60mm are recommended, America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >
3) Material:
Mild Steel (Low Carbon Steel) Aluminum or Stainless Steel
4) Surface Treatment:
Untreated, Painting or Hot Dipped Galvanizing
The steel grating is also called steel grating. The grating is a kind of steel product with flat steel cross-arranged according to certain spacing and horizontal bars, and welded into a square lattice in the middle.
Widely used in petrochemical, electric power, tap water, sewage treatment, port and wharf, building decoration, ipbuilding, self-propelled parking lot, municipal engineering, sanitation engineering and other fields platform, walkway, trestle, trench cover, manhole cover, ladder, fence, factory construction etc.
Classification:
1.According to the welding method, it can be divided into:
pressure welding type, phase embedding type, through-lock type and through-welding type;
2.According to the shape of the side surface of the loaded flat steel, it can be divided into:
flat type, tooth type and "工" type, etc.;
3.According to its use, it can be divided into:
general-purpose steel grating and special-purpose steel grating such as: trench cover, tread plate, etc.;
4.Steel grating is according to the material is divided into:
stainless steel and carbon steel grating.