Conveyors - Maximum Inclination vs. Product

Maximum conveyor inclination slopes for typical products. Reference table showing the maximum slope in degrees for various materials on conveyor belts.

MaterialMaximum Slope (degrees)
Acid phosphate13
Alum22
Alumina - sized or briquette10
Aluminum sulphate17
Anthracite coal16
Ammonium chloride10
Ammonium nitrate23
Asbestos ore rock18
Asbestos shred30
Ashes - wet18
Ashes - dry16
Asphalt30
Bagasse30
Bark, wood27
Barley12
Bauxite - ground dried23
Bauxite - mine run17
Beans7
Beets, whole20
Borax20
Bran12
Brewers grain, spent27
Brick27
Calcium carbide18
Carbon black, pelleted5
Carborundum 75 mm15
Cashew nuts22
Cement - Clinker20
Cement - loose22
Cement - Portland20
Chalk, lumpy15
Chalk < 100 mesh28
Charcoal22
Chrome ore17
Cinders23
Clay - dry lump loose21
Clay - ground22
Clay - gray granular20
Coal - bituminous slake20
Coal - run of mine18
Coke - screened18
Coke - breeze20
Coke - run of oven18
Concrete - 6 inch slump12
Concrete - 4 inch slump20
Concrete - 2 inch slope24-26
Coal - soft lumps > 4 inches15
Coal - soft lumps < 4 inches16
Coal - unsized18
Coal - soft fine20-22
Copper sulphate17
Corn, ear18
Corn, shelled10
Cornmeal22
Cottonseed cake20
Dolomite20
Earth - loose20
Earth - sluggish22
Earth - moist18-20
Fertilizer - artificial12-15
Fieldspar - crushed17
Flour15-18
Fluorspar20
Foundry sand20
Furnace slag - granulated13
Grain - except oats14
Grain, distillery spent dry15
Granite, 75 mm broken lumps18
Graphite, flakes15
Gravel - sized and washed12
Gravel - unsized18-20
Gypsum - broken18
Gypsum - ground27
Gypsum - powder23
Iron ore - limonite28
Iron ore - soft21
Kaolin - pulverized32
Lead ores15
Lead oxide20
Lignite, air dried18
Lime - burned pebble15
Lime - burned pulverized17
Lime - fine29
Limestone - pulverized34
Limestone - mixed sized21
Limestone - coarse sized12
Lineseed cake15
Lineseed meal20
Loam, moist18-20
Logs - no bark10
Magnesium chloride23
Magnesium sulphate15
Marble, crushed < 12 mm15
Mica - ground23
Molybdenite ore - powdered25
Manganese24
Nickel-cobalt20
Oats10
Ore - larger than 4 inches18
Ore - less than 4 inches20
Packages - wrapped in paper on smooth belts16
Packages - wrapped in paper on ribflex belts or similar25-45
Peanuts in shells or shelled8
Peas dried8
Peat16
Phosphate14
Phosphate - pulverized28
Potash ore15
Potatoes12
Quartz15
Rice8
Rock crushed18
Rubber pelleted22
Rye8
Salt, fine15-18
Salt, rock18-20
Sand - dry16
Sand - damp moist20
Sand - uniformly sized foundry high-quality silica sand or lake24
Sawdust22
Shale26
Sinter15
Slag, furnace10-15
Slate18
Soap chips18
Soda ash, briquettes7
Sodium nitrate11
Sodium phosphate16
Soybeans, cracked18
Soybeans, whole14
Starch12
Steel trimmings18
Stone - crushed18
Sugar, raw cane22
Sugar, refined20
Sulfur - powder21
Sulphate - powder21
Stones - larger than 4 inches15
Stones - less than 4 inches16
Talc, powder12
Titanium ore18
Traprock18
Vermiculite, expanded23
Vermiculite, ore20
Walnut shells, crushed20
Wheat12
Whole grain15
Woodchips27
Zinc ore22-25
Conveyors - Maximum Inclination vs. Product | MEPKit Engineering Tools | MEPKit