Extruded Magnesium Anode Rod

Grade

Mg

Al

Mn

Zn

Ca

(Max.)

Si

(Max.)

Cu

(Max.)

Ni

(Max.)

Fe

(Max.)

Other Impurity (Max.)

Single

Total

AZ31B

margin

2.5-3.5

0.2-1.0

0.6-1.4

0.04

0.10

0.01

0.001

0.005

-

0.30

AM31D

margin

2.5-3.5

0.2-1.0

0.6-1.4

0.04

0.05

0.01

0.001

0.002

0.01

0.30

High Potential

margin

0.01

(max.)

0.5-1.3

-

-

-

0.02

0.001

0.03

0.05

0.30

Diameter

(inch)

Core Wire Centring (inch)

Core Wire Diameter

(inch)

Straightness within 2 feet (inch)

Approximate Weight

(lb/inch)

0.500-0.020

∠0.040

0.135

0.060

0.015

0.675-0.020

∠0.050

0.135

0.060

0.025

0.700-0.020

∠1/16

0.135

0.040

0.027

0.750-0.020

∠1/16

0.135

0.040

0.031

0.800-0.020

∠1/16

0.135

0.040

0.035

0.840-0.020

∠1/16

0.135

0.040

0.038

0.900-0.020

∠1/16

0.135

0.040

0.043

1.050-0.020

∠1/16

0.135

0.040

0.057

1.315-0.020

∠1/16

0.135

0.040

0.089

1.561±0.016

∠1/16

0.188

0.050

0.125

2.024±0.024

∠1/8

0.188

0.050

0.208

2.562±0.024

∠1/8

0.188

0.050

1/3

Type

Mg

Al

Mn

Zn

Ca

Si

Cu

Ni

Fe

Other Impurity

Lmp

Each

Total

AZ31

(Mg anode with low potential)

margin

2.5-3.5

0.2-0.1

0.7-1.3

0.04

0.05

0.01

0.001

0.005

0.001

0.30

Mg-Mn

(Mg anode with high potential)

margin

0.01

0.5-1.3

-

-

0.05

0.02

0.001

0.03

0.05

0.30

Open Circuit Potential(-v)

Closed Circuit Potential(-v-)

Actual Capacitance(A.H/g)

Current Efficiency(%)

AZ31

Mg anode with low potential

1.50-1.55

1.45-1.50

≥1.105

≥50

Mg-Mn

Mg anode with high potential

1.70-1.75

1.57-1.62

≥1.100

≥50

Diameter

(inch/mm)

Theoretical Weight/meter(g)

0.551/14

330

0.630/16

420

0.689/17.5

477

0.784/19

542

0.827/21

668

1.024/26

1005

1.300/33

1580