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
Calcine, flour -100M 75-85 30A 0.7 A2 I I II  
Calcium Carbide +1/2 70-80 30B 1.6 B4 II I II 1
Calcium Carbonate (Limestone) • • • • • • • •  
Calcium Fluoride (Fluorspar) -1/4 82 30B 2.0 B4 II I III  
Calcium Hydrate (Lime, hydrated) • • • • • • • •  
Calcium Hydroxide (Lime, hydrated) • • • • • • • •  
Calcium Lactate + 1/2 26-29 30A 0.6 B1 I I III 6, 8
Calcium Magnesium Carbonate + 1/2 90-100 30B 2.0 B4 II I II  
Calcium Oxide (Lime, unslaked) • • • • • • • •  
Calcium Phosphate -100M 40-50 30A 1.6 A2 I I III  
Calcium Sulfate (Gypsum) • • • • • • • •  
Carbon, activated -1/8 8-20 30B 1.2 B4 II I I 6
Carbon Black, fine -100M 4-6 30A 0.4 A2 I I III • 8
Carbon Black, pelleted -1/8 20-40 • • • • • • • , 3, 8
Carborundum* -1/2 100 15 3.0 C4 III I II  
Casein -1/8 36 30B 1.6 B4 II I II  
Cast Iron, chips -1/2 130-200 30B 4.0 B4 II I III  
Caustic Soda -1/8 88 30B 1.8 D4 II III II 3, 5
Caustic Soda, flakes -1/4 47 30A 1.5 D4 I III III 3,  5, 6, 8
Celite (Diatomaceous Earth) -100M 11-17 15 1.6 C4 III I II • , 2, 8
Cement, clinker +1/2 75-80 15 1.8 D4 III I II  
Cement, Portland -100M 75-85 30B 1.4 B4 II I II 2
Cerrusite (Lead Carbonate) -100M 240-260 30B 1.0 B4 II I II 2, 5
Chalk, crushed +1/2 85-90 30B 1.9 B4 II I III 8
Chalk, ground -100M 70-75 30B 1.4 B4 II I III 2, 8
Charcoal + 1/2 18-25 30B 1.4 B4 II I III 6
Chips, pulpwood +1/2 12-25 30A 1.0 B1 I I III 7, 9
Chrome Ore -1/2 125-140 15 2.5 C4 III I II  
Cinders, blast furnace +1/2 57 15 1.9 D4 III I III  
Cinders. Coal +1/2 40 15 1.6 D4 III I II  
Clay, Ceramic, dry -100M 65-80 30A 1.5 A2 I I II  
Clinker, cement + 1/2 75-80 15 1.8 D4 III I II  
Clover, seed -1/8 48 45 0.4 A2 I I I 1
Coal, Anthracite -1/2 52-60 30B 0.9 B4 II II II 1
Coal, pulverized -100M 32-35 30A 0.6 D3 I II III 1, 2
Coal, sized -1/2 50 30B 0.6 B4 II II II 1
Cocoa, beans -1/2 30-45 30A 0.4 A2 I I II 6
Cocoa, nibs -1/2 35 30A 0.5 A2 I I II  
Cocoa, powdered -100M 30-35 30A 0.9 A2 I I III 2, 8
Cocoanut shred 20-22 30A 1.0 B1 I I III  
Coffee, chaff -1/8 20 30A 0.5 A2 I I II 2, 7
Coffee, green bean -1/2 32-45 30A 0.5 A2 I I II 6
Coffee, ground -1/8 25 30A 0.6 A2 I I II 4
Coffee, roasted bean -1/2 22-26 45 0.4 A2 I I I  
Coffee, soluble -100M 19 15 0.8 A2 I I I 2, 3, 4, 6
Coke, loose +1/2 23-32 15 1.2 D4 III I III 6, 9
Coke, calcined +1/2 35-45 15 1.3 D4 III I II 9
Coke, breeze -1/4 25-35 15 1.2 C4 III I III  
Compost • 28 • • • I III III • , 8, 9
Copper Ore + 1/2 120-150 15 4.0 D4 III I II  
Copper Sulfate + 1/2 60-70 30A 0.6 B1 I I II •
Copperas (Ferrous Sulfate) -1/2 50-75 30B 1.0 B4 II I II  
Copra + 1/2 22-33 30A 1.0 B1 I I II  
Copra, cake + 1/2 25-30 30A 0.7 B1 I I II  
Copra, cake, ground -1/8 40-45 30A 0.7 A2 I I II  
Copra, meal -1/8 40-45 30A 0.7 A2 I I II  
Cork, ground -1/8 5-15 30A 0.5 A2 I I III  
Cork, granulated -1/2 5-15 30A 0.4 A2 I I III  
Corn, cracked -1/2 40-50 30A 0.7 A2 I I II  
Corn, seed -1/4 45 45 0.4 A2 I I I 1, 6
Corn, shelled -1/4 45 45 0.4 A2 I I I 1
Corn, germ -1/8 21 30A 0.4 A2 I I II  
Corn, grits -1/8 40-45 30A 0.5 A2 I I II  
Corn, sugar -1/8 31 30A 1.0 A2 I I II  
Corn, meal -1/8 32-40 30A 0.5 A2 I I II  
Cottonseed, dry, delinted -1/4 22-40 30A 0.9 A2 I I II  
Cottonseed, dry, undelinted -1/4 18-25 30A 0.8 A2 I I III  
Cottonseed, cake + 1/2 40-45 30A 1.0 B1 I I II  
Cottonseed, flakes -1/4 20-25 30A 0.8 A2 I I III  
Cottonseed, hulls -1/8 12 30A 0.9 A2 I I III 7
Cottonseed, meal -1/8 35-40 30A 0.4 A2 I I II  
Cottonseed, meats -1/8 40 30A 0.6 A2 I I II  
Cracklings -3 40-50 30A 1.3 B1 I I III  
Cryolite -1/2 90-110 30B 1.8 B4 II I II 5
Cryolite -100M 50-75 30B 2.0 B4 II I II 2, 5
Cutlet + 1/2 80-120 15 2.0 D4 III I II  
Cupric Sulfate (Copper Sulfate) + 1/2 60-70 30A 0.6 B1 I I II •