... stadium,port,industry,oil and chemistry projects etc . 6.Production Flow Chart: 6. The specification of Steel Grating: No.ItemDescription1Bearing Bar25x3, ... 75x10---100x10mm etcI bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1''x3/16'', 1 1/4''x3/16'', 1 1 ... ,such as different type,different size,different shape,different standard,and any special requirements with different bearing capacity and ...