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Magnesium Alloy Welding Wire
- Apr 25, 2017 -

Magnesium alloy welding wire is use in all kinds of forging Mg alloy and cast Mg alloy, such as optical instrument, aerospace, automobile spare parts, magnesium products for civil use, and handiwork welding.

 

The advantages of magnesium alloy welding wire are as follows:

1.     Small  density, lighter than Al, higher specific strength;

2.     Subsititute for engineering plastics;

3.     Higher fatigue limit;

4.     Bigger impact load than Al;

5.     Better thermal conductivity;

6.     Good casting property;

7.     Dimensionally stable;

8.     Easy revocery and high corrosion resistance.

 

The magnesium alloy welding wire-AZ31/AZ61/AZ91 follow the standard of GB/T 5153, whose welding performance is good.

 

Alloy grade and chemical composition

AZ31S

GB/T 5153

Elements

Al

Zn

Mn

Si

Fe

Cu

Ni


Others,total

Min %

2.4

0.5

0.15







Max %

3.6

1.5

0.4

0.1

0.005

0.05

0.005


0.3

AZ61S

GB/T  5153

Elements

Al

Zn

Mn

Si

Fe

Cu

Ni


Others,total

Min %

5.5

0.5

0.15







Max %

6.5

1.5

0.4

0.1

0.005

0.05

0.005


0.3

AZ91D

GB/T    5153

Elements

Al

Zn

Mn

Si

Fe

Cu

Ni

Be

Others,total

Min %

8.5

0.45

0.17





0.0005


Max %

9.5

0.9

0.4

0.08

0.004

0.025

0.001

0.003

0.3

 

Specifications

       Grade

Specification of current products

AZ31S

Φ1.2mmΦ1.6mmΦ2.0mmΦ4mm

AZ61S

Φ1.2mmΦ1.6mmΦ2.0mmΦ4mm

AZ91D

Φ1.2mmΦ1.6mmΦ2.0mmΦ4mm