steel bar gratingis the most popular of all grating types due to its strength, cost-efficient production and easy of installation. Universally used in most general industrial plants as well as commercial buildings, it has wide applications as walkways, platforms, safety barriers, drainage covers and ventilation grates.steel bar grating Series PitchofBearingbar Cross-barPitch Specificationofbearingbarload(width×thickness) 20×3 25×3 32×3 40×3 20×5 25×5 1 30 100 G203/30/100 G253/30/100 G323/30/100 G403/30/100 G205/30/100 G255/30/100 50 G203/30/50 G253/30/50 G323/30/50 G403/30/50 G205/30/50 G255/30/50 2 40 100 G203/40/100 G253/40/100 G323/40/100 G403/40/100 G205/40/100 G255/40/100 50 G203/40/50 G253/40/50 G323/40/50 G403/40/50 G205/40/50 G255/40/50 3 60 50 G253/60/50 G253/60/50 G403/60/50 G205/60/50 G255/60/50 Series PitchofBearingbar Cross-barPitch Specificationofbearingbarload(width×thickness) 32×5 40×5 45×5 50×5 55×5 60×5 1 30 100 G325/30/100 G405/30/100 G455/30/100 G505/30/100 G555/30/100 G605/30/100 50 G325/30/50 G405/30/50 G455/30/50 G505/30/50 G555/30/50 G605/30/50 2 40 100 G325/40/100 G405/40/100 G455/40/100 G505/40/100 G555/40/100 G605/40/100 50 G325/40/50 G405/40/50 G455/40/50 G505/40/50 G555/40/50 G605/40/50 3 60 50 G325/60/50 G405/60/50 G455/60/50 G505/60/50 G555/60/50 G605/60/50