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Data sheets

Magnesium and Aluminum Alloys Results

Total Immersion Corrosion Test Weight Loss Data
For Magnesium and Aluminum Alloys

Material

Initial Weight
(grams)

After 24 Hours
(grams)

Weight Loss
(grams)

After 168 Hours

Weight Loss
(grams)

Magnesium Alloy AZ31B With Dichromate Treatment
(MIL-M-3171 type III)

4

3.5900

3.5883

0.0017

3.5783

0.0117

5

3.6027

3.6013

0.0014

3.5928

0.0099

7

3.6139

3.6130

0.0009

3.6053

0.0086

 

 

Average

0.0013

Average

0.0101

 

 

Max Allow

0.0200

 

 

Aluminum Alloy 7075-T6 Chromic Acid Anodized
(MIL-M-8625 Type I)

1

5.644

5.6854

-0.0010

5.6851

-0.0007

5

5.6907

5.6915

-0.0008

5.6916

-0.0009

8

5.7173

5.7185

-0.0012

5.7183

-0.0010

 

 

Average

-0.0010

Average

-0.0009

 

 

Max Allow

0.0100

 

 

Aluminum Alloy 2024 Chromic Acid Anodized
(MIL-M-8625 Type I)

1

5.6568

5.6575

-0.0007

5.6577

-0.0009

2

5.6850

5.6860

-0.0010

5.6860

-0.0010

4

5.4467

5.4473

-0.0006

5.4476

-0.0009

 

 

Average

-0.0008

Average

-0.0009

 

 

Max Allow

0.0100

 

 

Aluminum Alloy 2024-T3 Chromate Conversion Coated
(MIL-C-5541)

3

5.6743

5.6742

0.0001

5.6743

0.0000

4

5.6291

5.6291

0.0000

5.6289

0.0002

6

5.6888

5.6887

0.0001

5.6886

0.0002

 

 

Average

0.0001

Average

0.0001

 

 

Max Allow

0.0100

 

 

Aluminum Alloy Clad 2024-T3

2

7.1049

7.1046

0.0003

7.1046

0.0003

3

7.1382

7.1382

0.0000

7.1382

0.0000

4

7.1443

7.1441

0.0002

7.1441

0.0002

 

 

Average

0.0002

Average

0.0002

 

 

Max Allow

0.0100

 

 



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