Properties of Aluminum Welding Alloys

Alloy Number

Nominal Composition Percent(a)

 

 

 

Specifications

Al

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Others

Total(c)

Density

Lb/in3

Anodized Color

Melt

Range°F

 

AWS

 

AMS

Wrought Alloys

1100

Bal

(b)

(b)

.05-.20

.05

-

-

.10

-

.15

0.098

Light Golden

1190-1215

A5.10

ER/R1100

4102

ER1100

2319

Bal

.20

.30

5.8-6.8

.20-.40

.02

-

0.10

.10-.20

.15

0.100

Golden

1010-1190

A5.10

ER/R2319

4191

ER2319

4043

Bal

4.5-6.0

0.8

.30

.05

.05

-

.10

.20

.15

0.097

Gray

1065-1170

A5.10

ER/R4043

4190

ER4043

4047

Bal

11-13

0.8

.30

.15

.10

-

.20

-

.15

0.096

Gray-Black

1070-1080

A5.10

ER/R4047

4185

ER4047

4145

Bal

9.3-10.7

0.8

3.3-4.7

.15

.15

.15

.25

.15

.15

-

-

-

A5.10

ER/R4145

 

4643

Bal

3.6-4.6

0.8

0.10

.05

.10-.30

-

0.10

0.15

.15

0.097

Gray

1065-1175

A5.10

ER/R4643

4189

ER4643

5180*

Bal

Si + Fe = 0.35 max

.10

0.2-0.7

3.5-4.5

.10

1.7-2.8

.06-.20

.15

-

-

-

-

-

5183

Bal

.40

.40

.10

.50-1.0

4.3-5.2

.05-.25

.25

.15

.15

0.096

White

1075-1180

A5.10

ER/R5183

-

5356

Bal

.25

.40

.10

.05-.20

4.5-5.5

.05-.20

.10

.06-.20

.15

0.096

White

1060-1175

A5.10

ER/R5356

-

5554

Bal

.25

.40

.10

.50-1.0

2.4-3.0

.05-.20

.25

.05-.20

.15

0.097

White

1155-1195

A5.10

ER/R5554

-

5556

Bal

.25

.40

.10

.50-1.0

4.7-5.5

.05-.20

.25

.05-.20

.15

0.096

White

1055-1175

A5.10

ER/R5556

-

5654

Bal

Si + Fe = 0.45 max

.05

.01

3.1-3.9

.15-.35

.20

.05-.15

.15

0.096

White

1100-1190

A5.10

ER/R5654

-

Casting Alloys

R-206.0

Bal

.10

.15

4.2-5.0

.20-.50

.15-.35

Ni .05

.10

.15-.30

.15

0.101

Golden

1060-1200

A5.10

R-206.0

-

R-A356.0

(ER/R 4010)

Bal

6.5-7.5

.20

.20

.10

.25-.45

-

.10

.20

.15

0.097

Gray

1035-1135

A5.10

R-A356.0

-

(ER/R 4008)

Bal

6.5-7.5

.09

.05

.05

.30-.45

-

.05

.04-.15

.15

0.097

Gray

1035-1135

-

4181

ER4008

R-357.0

Bal

6.5-7.5

.15

.05

.03

.45-.60

-

.05

.20

.15

0.097

Gray

1030-1135

A5.10

R-357.0

-

R-C355.0

(ER/R 4009)

Bal

4.5-5.5

.20

1.0-1.5

.10

.40-.60

-

.10

.20

.15

0.098

Gray

1015-1150

A5.10

R-C355.0

-

(a) Single values are maximum, except where otherwise specified.
(b) Silicon plus iron shall not exceed 0.95 percent.
(c) Beryllium shall not exceed 0.0008 percent.
* 5180 is a proprietary alloy.