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
Acetylenogen (Calcium Carbide) + 1/2 70-80 30B 1.6 B4 II I II 1
Adipic Acid -100M 45 30A 0.8 D3 I II II 3
Alfalfa Meal -1/8 17 30A 0.9 B4 II I III . 7
Alfalfa Seed -1/8 48 30B 0.5 B4 II I I 1
Almonds -1/2 28-30 30B 0.9 B4 II I II 6
Alum -1/8 45-58 30A 0.6 A2 I I II •
Alum, lumpy + 1/2 50-60 30A 1.4 B1 I I II •
Alumina -100M 60-120 15 1.8 C4 III I I 2
Aluminate Gell, dried -100M 45 30B 1.7 B4 II I II  
Aluminum Chips -1/2 7-15 30A 0.8 A2 I I III 9
Aluminum Hydrate (Aluminum Hydroxide) -1/2 13-18 30A 1.4 A2 I I III  
Aluminum Oxide (Alumina) -100M 60-120 15 1.8 C4 III I I 2
Aluminum Ore (Bauxite) -3 75-85 15 1.8 D4 III I II  
Aluminum Silicate -1/8 49 45 0.8 A2 I I II  
Aluminum Sulfate (Alum) • • • • • • • •  
Amianthus (Asbestos ) Fibers 20-40 30B 1.0 B4 II I III 5,7,8
Ammonium Chloride, Crystalline -1/8 52 30A 0.8 A2 I I II  
Ammonium Nitrate -1/8 45-62 • • • • • • • 1.3
Ammonium Sulfate • 40-58 • • • • • III •
Andalusite (Aluminum Silicate) -1/8 49 45 0.8 A2 I I II  
Antimony -100M • 30B • B4 II I II •
Apple Pomace, dry -1/2 15 30B 0.5 B4 II I III 7
Arsenate of Lead (Lead Arsenate) -1/8 72 30A 1.0 A2 I I III 2, 5
Arsenic -100M 30 • • • • • • • 5
Arsenic Oxide (Arsenolite) • 100-120 • • • • • • • 5
Asbestos, Ore -1/2 81 15 1.2 C4 III I II 5
Asbestos, Shred Fibers 20-40 30B 1.0 B4 II I III 5, 7, 8
Ashes, Coal, dry -1/2 35-45 30B 2.0 B4 II I III  
Ashes, Coal, dry -3 35-45 30B 2.0 B4 II I III  
Ashes, Coal, wet -1/2 45-50 30B 3.0 D4 II II III 8
Ashes, Coal, wet -3 40-50 15 4.0 D4 II II III 8
Asphalt, Crushed -1/2 45 30A 2.0 A2 I I II