stair tread

Detail description of stair tread Plain steel grating is one of the most widely used steel gratings, the bearing bar comes in the form of a plain surface flat bar commonly used for platforms, trench gratings and stair treats. Features. 1> Bearing bar specification:20×3 to 100×6 2> Bearing bar pitch:12.5,15,25,30,40,60mm etc. also be according to clients requirement and 30,40,60mm are recommended 3> Cross bar pitch:38,50,76,100mm,also be according to clients requirement and 50,100mm are recommended. 4> The Maximum length of black panel is 7350mm 5> Materials:mild steel or stainless steel 6> Surface treatment:untreated,painting or hot dip galvanizing 7> Steel grating with America standard can also be fabricated