Advantages of steel gird plank: light weight, strong intensity, big load capacity, transmission and aeration, antiskid 1. Steel product standard: China YB/700-882. Features: it is manufactured according to customers' requirementsFor example:1) Bearing bar pitches may be 12.5,15 to 30, 40, 60, 80 and 90mm, of which 30 and40mm are recommended2) Cross bar pitch may be 30, 38, 50, 76 and 100mm, of ...