... 1. Steel Grating 2. ISO9001:2000, CE 3. high quality low price 4.size:1*2m 3*30m... 5. Application: construction Steel GratingFlooring galvanized steel grating is ... 75x10mm2Bear bar pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: ... 2"x 1/4" etc.3Cross bar pitch38,50,76,100,101.6mm4MaterialQ235,A36,SS3045Surface treatmentBlack, hot dipped galvanising, paint6StandardChina ...