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
Safflower -1/8 45 45 0.4 A2 I I I 1
Safflower, cake + 1/2 50 30A 0.6 B1 I I II  
Safflower.meal -1/8 50 30A 0.6 A2 I I II  
Saffron (Safflower) • • • • • • • •  
Sal Ammoniac (Ammonium Chloride) -1/8 52 30A 0.8 A2 I I II  
Salicylic Acid -1/8 29 30A 0.6 A2 I I II 3
Salt, Dry Coarse -1/4 45-50 30B 1.0 B4 II II II 3
Salt, Dry Fine -1/8 70-80 30B 1.7 B4 II II II 3
Salt Cake (Sodium Sulfate) -1/4 85 30B 2.1 B4 II II II 3
Saltpeter (Potassium Nitrate) -1/2 76 30 B 1.2 C4 II III I 1
Sand, damp, bank -1/8 110-130 15 2.8 C4 III I III  
Sand, dry, bank -1/8 90-110 15 1.7 C4 III I II  
Sand, dry silica -1/8 90-100 15 2.0 C4 III I I  
Sand, foundry, prepared -1/8 90 15 3.0 C4 III I III  
Sand,foundry,shakeout + 1/2 90 15 2.6 D4 III I II  
Sawdust, dry -1/8 1013 30A 0.7 A2 I I III  
Shale, crushed -1/2 85-90 30B 2.0 B4 ll I II  
Shavings, wood, dry + 1/2 8-15 30A 0.5 B1 l I III 7, 9
Shellac -1/8 31 30A 0.8 A2 I I II 4
Silica Gel (Silicic Acid) -1/8 45 15 1.7 B4 III I II 3, 6
Silicon Dioxide (Quartz) -1/8 85 15 1.8 C4 III I II  
Slag, furnace -1/2 160-180 15 1.2 C4 III I II  
Slag, furnace +1/2 60-65 15 2.4 D4 III I II  
Slaked Lime (Lime, hydrated) • • • • • • • •  
Slate, crushed -1/2 80-90 30B 2.0 B4 II I II  
Slate, ground -1/8 82 30B 1.6 B4 II I II  
Sludge, sewage, dried -1/8 45-55 30B 0.5 D4 II III III  
Snow, fresh -1/8 5 12 30A 0.4 A2 I I III  
Snow, packed + 1/2 15-35 30A 0.8 B1 I I III  
Soap, beads or granules -1/4 15 35 30A 0.6 A2 I I II 3
Soap, chips -1/2 15-25 30A 0.4 A2 I I II 3
Soap, flakes -1/8 5-20 30A 0.6 A2 I I II 3
Soap, powder -1/8 20-25 30A 0.8 A2 I I II  
Soapstone (Talc) -100M 40-50 30B 0.9 B4 II I III 2, 8
Soda Ash, heavy -1/8 55-65 30B 1.0 B4 II I II  
Soda Ash, light -100M 20-35 30 B 0.8 B4 II I II 2, 7
Sodium Aluminate -1/8 72 30B 1.0 B4 II I II  
Sodium Aluminum Fluoride (Kryolith) • • • • • • • •  
Sodium Bicarbonate -100M 70-80 30A 1.0 A2 I I II  
Sodium Borate (Borax) • • • • • • • •  
Sodium Carbonate (Soda Ash) • • • • • • • •  
Sodium Chloride (Salt) • • • • • • • •  
Sodium Hydrate (Caustic Soda) • • • • • • • •  
Sodium Hydroxide (Caustic Soda) • • • • • • • •  
Sodium Nitrate -1/8 70-80 30A 1.2 A2 I I II 1
Sodium Phosphate -1/8 50 30B 0.6 B4 II I II  
Sodium Sulfate, dry + 1/2 85 30B 0.8 B4 II I II  
Sodium Sulfate, dry -1/8 65-85 30B 1.0 B4 II I II  
Sorghum  seed -1/8 32-52 45 0.5 A2 I I I  
Soybeans, cracked -1/4 30-40 30B 0.5 B4 II I II 1
Soybeans, whole -1/4 45-50 15 0.4 C4 III I I 1
Soybean, cake + 1/2 40-43 30A 1.0 B1 I I II  
Soybean Flakes, raw -1/4 20-26 30A 0.8 A2 I I II 7
Soybean Flakes, spent -1/4 18-20 30A 0.6 A2 I I II 7
Soybean Flour -100M 27-30 30A 0.8 A2 I I II 1
Soybean Meal, cold -1/8 40 30A 0.5 A2 I I II  
Soybean Meal,hot -1/8 40 30A 0.5 D3 I II II  
Starch -100M 2550 • • • • • • •
Steatite (Talc) • • • • • • • •  
Steel, chips, crushed + 1/2 100-150 15 1.6 D4 III I II  
Stibium (Antimony) • • • • • • • •  
Sugar, granulated -1/8 50-55 30A 0.7 A2 I I II 4, 6
Sugar, powdered -200M 50-60 • • • • • • •
Sugar, raw, cane -1/8 55-65 30A 1.0 A2 I I III 8
Sugar, wet, beet -1/8 55-65 30A 1.4 A2 I I III 8
Sugar Beet, pulp, dry -1/2 12-15 • 0.9 • II • II •
Sugar Beet, pulp, wet -1/2 25-45 • 1.2 • I • II 8
Sulphur, crushed -1/2 50-60 30A 0.8 A2 I I II 1
Sulphur, ground -1/8 50-60 30A 0.6 A2 I I II 1, 2
Sulphur, lumps -3 80-85 30A 0.8 B1 I I II 1