SIZE
Dia. (Inches)
by Length (Ft.)
VOLUME
(Cu. In.)
Each
WEIGHT
(Pounds)
Approx.
NUMBER
Per
Cu. Ft.
St.
SURFACE
AREA
(Sq. In.)
AREA PER
St
(Sq. Ft.)
PER
UINIT
1 X 10
94.2
27
14.6
75
377.0
5506
196.1
0716
1 ¼ X 10
147.3
42
9.3
48
471.2
4404
156.9
0891
1 ½ X 10
212.1
60
6.5
33
565.5
3671
130.7
1061
2 X 10
107
3.7
19
754.0
2753
98.0
1419
2 ½ X 10
589.0
167
2.3
15
942.5
2202
78.4
1772
3 X 10
848.2
240
1.6
8
1131.0
1835
65.4
2122
3 ½ X 10
1154.5
327
6
1319.5
1573
56.0
2478
4 X 10
1507.9
427
0.9
5
1508.0
1376
49.0
2832
5 X 10
2356.2
668
0.6
3
1885.0
1101
39.2
3544
EXAMPLE: Require initial rod charge of 50,000 lb. 4” 3 ½” , 3” and 2 ½” rods x 10’ Lg.
Rod
Dia.
X
Wt. Ea.
Y
Area Ea.
%X / Y
Of Total
Wt.
% x 50,000
No.
Rods
%
2 ½”
19.2
9,600
57
31.3
3”
23.1
11,550
26.4
3 ½”
26.9
13,450
41
22.5
4”
30.8
15,400
36
19.8
9204
100.0
50,000
182
Forged Steel Grinding Balls (new)
