... on.Description:1) Bearing bar specification: 20 x 3 to 100 x 62).Bearing bar pitches maybe12.5,15,25, 30 ... , 60.32, 80, 100Cross bar pith(mm)38, 50, 76, 100, 101.6Thickness(mm)3mm ,4mm, 5mmMaterialQ235,SS304,SS316Surface treatmentBlack , hot ... ,fences,framedgrates,trash rack grates ,paint backing chambers…… Galvanized High tower fan-shaped plarform