This part specifies the structure, dimensions, technical conditions, design, installation, inspection rules and packaging, marking and quality certificates of steel gratings (referred to as steel gratings). Other types of steel gratings and other metal gratings not listed in this section may be implemented with reference to the relevant provisions of this section. This section applies to industrial buildings, public facilities, device frames, platforms, floors, walkways, stair treads, trench covers, fences, suspended ceilings, etc. in petroleum, chemical, metallurgy, light industry, shipbuilding, energy, municipal and other industries.
YB/T 4001.1-2007 Referenced Document
GB/T 13912-2002 Metallic coatings--Hot dip galvanized coatings on fabricated iron and steel articles--Specifications and test methods
GB/T 14452-1993 Metallic materials. Determination of bending mechanical properties