Comparative Chart
Cast Iron vs. Steel

Cast Iron

  • Small eyelet wears out quickly
  • No counterweight
  • Bell 16,000 psi tensile strength
  • Breaks in bell cannot be repaired

Steel

  • Extra wear area
  • Heavy steel counterweight
  • 75,000 psi tensile strength
  • Anchor can be repaired by welding

Weight in pounds – Size in inches

Anchor
Weight
A
B
————–
A
B
25
12
21
———–
17
27 1/2
50
15 1/4
30
———–
17
29
75
19
30
———–
24 1/2
39
100
19 1/4
40
———–
23
37
150
21 1/2
40
———–
28
45
200
23 1/4
46
———–
29 1/2
48
250
23 1/4
46
———–
29 1/2
48
300
27
46
———–
33
53
350
28
53
———–
33
53
400
31
59
———–
37
61 1/2
500
32
59
———–
37
61 1/2
600
32
59
———–
42
66
Steel’s greater strength permits a┬álarger bell and thus more holding power.

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