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Brand Compound Steel Grating is a product which combines grating of good horizontal bearing capacity with checkered plate. Afterbeing galvanized,the compound grating may be bend upwards,especially for large type grating.It is very difficult to recify,so you should pay special attention while ordering Brand Compound Steel Grating is normall made up the gratings with bearing bars fo the pitch 30,and 40mm as base part and the checkered plate of the pitch 3mm,4mm,5mm and 6mm as cover,the most popular gratings as base parts are the types of G323/40/100,G253/30/100 and G323/60/100. The fence is made of steel grating and steel .It has the characteristics of firmness ,the momentum is grandiosity ,gentle and cultivated .It was used in municipals ,garden ,park ,traffic ,architecture ,ditch lid ,staircase footboard etc . Product Description 1) Material: Carbon steel or stainless steel 2) Bearing bar specification: 20 x 3mm to 90 x 7mm 3) Bearing bar pitch: 12. 5mm, 25mm, 30mm, 33. 5mm, 37. 5mm, 40mm, 50mm & 60mm 4) Cross bar pitch: 25, 38, 50, 50. 8, 76, 100 & 101. 6mm 5) Maximum length of black panel: 6, 100mm 6) Material: Carbon steel or stainless steel 7) Surface treatment: Untreated, paint or hot dip galvanized