Engineering Guide

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Screw Conveyor Engineering Guide

Materials Table

A | B | C | D-G | H-L | M-O | P-R | S | T-Z
Tables are in alphabetical order. Click above to navigate to different sections.
Table keys and explanations are located in the "Material Characteristics" Section.

Material Maximum Particle Size (IN.) Average Weight Per Cu.Ft. Loading H.P. Factor Component Series Abras-
iveness		 Corrosi-
veness		 Flow-
ability		 Note
Magnesium Chloride (Magnesite) -1/2 33 30A 0.8 A2 I I III  
Magnesium Sulfate (Epsom Salts) -1/8 40-50 30A 0.7 A2 I I II  
Maize -1/4 45 45 0.4 A2 I I I 1
Malt, dry, ground -1/8 22 30A 0.4 A2 I I II 1, 7
Malt, dry, whole -1/2 27-30 30A 0.4 A2 I I II 1
Malt, wet or green -1/2 60-65 30A 0.4 A2 I I III  
Malt, meal -1/8 36-40 30A 0.4 A2 I I II  
Manganese Dioxide • 80 • • • • • • •
Manganese Ore -1/2 125-140 15 2.0 C4 III I III  
Manganese Oxide -100M 120 30B 2.0 B4 II I II  
Manganese Sulfate -1/2 70 15 2.0 C4 III I II  
Marble, crushed -1/2 80-95 15 2.0 C4 III I II  
Marl + 1/2 80 30B 1.6 B1 I I II  
Meat, ground -1/4 50-55 • • B4 II I I •
Meat Scraps 40 30B • D4 II I III • 9
Mica, ground -1/8 13-15 30B 0.7 B4 II I II  
Mica, pulverized -100M 13-30 30B 0.9 B4 II I II 2
Mica, flakes -1/8 17-22 30B 1.0 B4 II I I 7, 9
Milk, dried, flake -1/8 5-6 30A 0.4 A2 I I II 4
Milk, malted -100M 27-35 30A 0.4 A2 I I III 2, 4, 8
Milk, whole, dried -100M 20 30A 0.4 A2 I I III 2, 3, 4, 8
Milk Sugar (Lactose) -100M 32 30A 0.6 A2 I I II 4, 8
Milo -1/4 56 30A 0.4 A2 I I II  
Monosodium Phosphate -1/8 50 30B 0.6 B4 II I II  
Muriate of Potash -1/8 77 15 1.8 D4 III III II  
Mustard Seed -1/8 45 45 0.4 A2 I I I 1
Nicotinic Acid (Niacin) -1/8 35 30B 0.8 B4 II I II  
Niter (Potassium Nitrate) • • • • • • • • •
Oakite (Trisodium Phosphate) -1/8 60 30B 1.7 B4 II I II  
Oats -1/2 25-35 45 0.4 A2 I I I 1
Oats, rolled -1/2 19-24 30A 0.5 A2 I I II 1, 7
Oxalic Acid, crystals -1/8 60 30A 1.0 A2 I I III 3
Oyster Shells, ground -1/2 53 30B 0.9 B4 II I II  
Oyster Shells, whole + 1/2 80 30B 2.0 B4 II I II