... 2.Machines:7 running lines 3.Product capacity:100 tons/day 4.ISO Flat bar grating is ... 50,000tons. Jiulong grating has exported to more than 30 countries. Choose Jiulong grating is your right decision! ... bar pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US ... x 1/4" etc.3Cross bar pitch38,50,76,100,101.6mm4MaterialQ235,A36,SS3045Surface treatmentBlack, hot dipped galvanising, ...