AlSi 12 Tig

type 
Aluminium silicon alloy for welding cast aluminum parts, also suitable as brazing alloy with suitable flux.
applications 
Aluminium alloy for welding and brazing. This material is generally used for brazing aluminium sheets, for extrusions and castings. (After anodizing the welding will be of a different colour)
Properties 

AlSi12 was originally developed as a brazing alloy to take advantage of its low melting point and narrow freezing range. In addition, it has a higher silicon content than AlSi5, which provides increased fluidity and reduced shrinkage. Hot cracking is significantly reduced when using AlSi12 as a filler alloy. The alloy may be used in applications at sustained elevated temperatures. Non-heat treatable. Thicker sections should be preheated (150°C) prior to welding.

classification
AWS 
A 5.10: ER 4047
EN ISO 
18273: S Al4047A (AlSi12(A))
DIN: W.Nr. 
3.2585
DIN 
1732: SG AlSi12
Suitable for 

G-AlSi10Mg, G-AlSi11 G-AlSi12 (Cu), G-AlSi7Mg, G-AlSi6Cu4 , G-AlSi9Mg, G-AlSi9Cu3, AlMgSi0.8, AlMgSi1, 4145, 3.2581, 3.2583, 3.2381, 3.2383, 3.2373, 3.2163, 3.2371, 3.2151, B 413.0, 361.0, 359.0, 356.0, 319.0

approvals 
CE approved
welding positions: 
Weld deposit weight (typical) %

Al

Mn

Si

Cu

Zn

Fe

Mg

Ti

Be

others

rem

<0.15

11-13

<0.30

<0.20

<0.6

<0.1

<0.15

<0.0006

<0.15

typical mechanical properties

Heat

RP0,2

Rm

A5

Impact Energy (J) ISO-V

T

Treatment

(N/mm2)

(N/mm2)

(%)

-20°C

-40°C

-60°C

(°C)

as welded

>75

>170

>6

573-585

redrying temperature 
not required
Welding parameters / packing

Welding Parameters

Packing (kg)

Packing

D (mm)

Current (A) AC

Single

Master

1.6 x 1000

25-50

5

20

2.0 x 1000

40-75

5

20

2.4 x 1000

90-130

5

20

3.2 x 1000

160-240

5

20

gas acc. en iso 14175:
I1, I3

Disclaimer: Whilst all reasonable efforts have been made to ensure the accuracy of the information contained, the information contained or otherwise referenced herein is presented only as “typical” without guarantee or warranty, and any liability incurred from any reliance thereon is expressively disclaimed. Typical data are those obtained when welded and tested in accordance to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Other tests and procedures may produce different results. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application. The selection and use of specific products is solely within the control of, and remains the sole responsibility of the customer. The right to change design and/or specifications without notice is reserved.