Stuart Steel Protection Corporation

TABLES

Resistance and Output Currents of Sacrificial Anodes

Nominal Weight (lb)	Anode Package Size (in)	Soil Restis- tivity (ohms)	Anode Resis- tance (ohms)	Current output and est. life for structure Potential (volts):
Nominal Weight (lb)	Anode Package Size (in)	Soil Restis- tivity (ohms)	Anode Resis- tance (ohms)	0.3 (mA) (yrs)	0.5 (mA) (yrs)	0.85 (mA) (yrs)
Standard magnesium - AZ63 (Hi alloy) - solution potetial - 1.55 V
17	22x7	5000	23	54 19	46 21	30 33
		10000	46	27 37	23 15
		20000	92	14 11	8

32	26x8.5	20000	7.7	162 12	136 15	91 22
		5000	19	66 30	55 36	37
		10000	38	33 60	28 18

50	22x10	2000	7.1	176 17	147 20	98 31
		5000	18	69 43	58 39
		10000	36	35 29	19

High - potential magnesium - solution potential - 1.73 V
17	38x6	5000	19	75 13	65 15	46 22
		10000	39	37 32	31 23	23 43
		20000	18	16 11

48	34x8	2000	7.2	199

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