... other large-span and heavy loading condition. Surface Treatment:Steel grating untreated: Allowing quicker delivery to customers whom fabricate and ... a hygienic and clean maintenance free bright finish..Advantage :Steel grating has a save material, strong loading capable, beautiful and ... standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4 ...