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Brazing Aluminum Technical Data

Author : frank      Source :Original
Summary :Aluminium brazing sheet production Complex assemblies can be turned into single unit by just one pass through a brazing furnace. Aluminium brazing facilitates the joining of parts with a near-eutectic Ai-Si filler alloy the liquid temperat

Signi Aluminium Brazing Sheet and Strips
        Specification and Data Sheet


Dimensions 
  Strips Sheets
Thickness 0.051mm--3.0mm 0.4mm--6.35mm
Width 6mm--1600mm 500--1600mm
Length   Max. 10000mm
Edge quality Trimmed Trimmed and slit; sawn
Inside diameter
 
305mm, 405mm, 505mm Paper core, Aluminium core,  without core.  
Outside diameter Max. 1600mm without connect point

Cladding
Cladding One side; Both sides
Cladding rate 5%, 7.5%, 10%, 13%, 15% (other clad percentages available upon request)
Cladding tolerance Cladding thickness of 1.5%--<4%: +/-0.6 

Cladding thickness of 4.0--6.0%: +/-1.0

Cladding thickness of 6.0--<=12.0%: +/-1.5

Cladding thickness of 12.0--20.0%: +/-2.0

Surface
Quality Mill finish; for thickness 0.3--3.5mm, chemically degreased
Marking Ink marking

1> Tolerance according to EN and ASTM.     
2> Higher thickness on request.
3> Special dimensions , tolerances, and alloys on request.


Signi Aluminium Chemical composition
SIGNI ALUMINIUM CLAD ALLOYS  Others
Alloy   Si Fe Cu Mn Mg Cr Zn Ti each total
Clad alloys for VCA-brazing according to EN573-3
4004 Min.
max.
9.0
10.5
-
0.8
-
0.25
-
0.10
1.0
2.0
-
-
-
0.20
-
-
-
0.05
-
0.15
4104(Containing0.02%-
0.20% Bi)
Min.
max.
9.0
10.5
-
0.8
-
0.25
-
0.10
1.0
2.0
-
-
-
0.20
-
-
-
0.05
-
0.15
Clay alloys for CAB-brazing according to EN573-3
4343 Min.
max.
6.8
8.2
-
0.8
-
0.25
-
0.10
-
-
-
-
-
0.20
-
-
-
0.05
-
0.15
4045 Min.
max.
9.0
11.0
-
0.8
-
0.30
-
0.05
-
0.05
-
-
-
0.10
-
0.20
-
0.05
-
0.15
4047A Min.
max.
11.0
13.0
-
0.6
-
0.30
-
0.15
-
0.10
-
-
-
0.20
-
0.15
-
0.05
-
0.15
Zn-containing clad alloys for CAB-brazing
4343.ZN Min.
max.
6.8
8.2
-
0.8
-
0.25
-
0.10
-
-
-
-
0.8
1.2
-
-
-
0.05
-
0.15
4045.ZN Min.
max.
9.0
11.0
-
0.8
-
0.30
-
0.05
-
0.05
-
-
0.8
1.2
-
0.20
-
0.05
-
0.15
Clad alloys for corrosion protection according to EN573-3
1050A Min.
max.
-
0.25
-
0.40
-
0.05
-
0.05
-
0.05
-
-
-
0.07
-
0.05
-
0.03
-
-
7072 Min.
Max.
-
0.7(Si+Fe)
-
0.10
-
0.10
-
0.10
-
-
0.8
1.3
-
-
-
0.05
-
0.15
All data in Wt.-%;   Customer specific alloy composition on request.
3××× alloys according to EN573-3 and ASTM  3×××
3003 Min.
max.
-
0.6
-
0.7
0.05
0.25
1.0
1.5
-
-
-
-
-
0.10
-
-
-
0.05
-
0.15
3004 Min.
max.
-
0.30
-
0.70
-
0.25
1.0
1.5
0.8
1.3
-
-
=
0.25
-
-
-
0.05
-
0.15
3005 Min.
max.
-
0.6
-
0.70
-
0.30
1.0
1.5
0.20
0.6
-
0.10
-
0.25
-
0.10
-
0.05
-
0.15
3103Containingmax.0.10%(Zr+Ti)  Min.
Max.
-
0.50
-
0.70
-
0.10
0.9
1.5
-
0.30
-
0.10
-
0.20
-
-
-
0.05
-
0.15
3105 Min.
Max.
-
0.6
-
0.7
-
0.30
0.30
0.80
0.20
0.80
-
0.20
-
0.40
-
0.10
-
0.05
-
0.15
   5×××-non-heat-treatable alloys according to EN573-3 and ASTM 5×××
5049 Min.
max.
-
0.40
-
0.50
-
0.10
0.50
1.10
1.60
2.50
-
0.30
-
0.20
-
0.10
-
0.05
-
0.15
5052 Min.
max.
-
0.25
-
0.40
-
0.10
-
0.10
2.2
2.8
0.15
0.35
-
0.10
-
-
-
0.05
-
0.15
5083 Min.
max.
-
0.40
-
0.40
-
0.10
0.40
1.0
4.0
4.9
0.05
0.25
-
0.25
-
0.15
-
0.05
-
0.15
   6×××-non-heat-treatable alloys according to EN573-3 and ASTM 6×××
6063 Min.
max.
0.20
0.60
-
0.35
-
0.10
-
0.10
0.45
0.90
-
0.10
-
0.10
-
-
-
0.05
-
0.15
6951 Min
max.
0.20
0.50
-
0.08
0.15
0.40
-
0.10
0.40
0.8
-
-
-
0.20
-
-
-
0.05
-
0.15
7×××-non-heat-treatable alloys according to EN573-3 and ASTM 7×××
7020
 
 
Containing 0.08%-0.25% (Zr+Ti)
 and 0.08%--0.20% Zr
Min.
max.
-
0.35
-
0.40
-
0.20
0.05
0.50
1.0
1.4
0.10
0.35

 
4.0
5.0
-
-
-
0.05
-
0.15


 

 

 


 

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