... Cross bar pitch;50,100mm black annealed wire fence meshsteel grating,expanded wire meshMaterial: Aluminium plate, thin low ... carbon steel plate, stainless steel plate, al-ma alloy plate, copper ... 40X6, 40X8, 40X10,….90X6….Pitch of Load bearding flat bars(mm)12.5,15, 20, 30, 30.6, ... 8, 35.3, 40, 60, 80……Pitch of cross bars(mm)38.1, 50, 50.8, 70, 75, ...