clad aluminum strip sheet
clad aluminum strip sheet comprises of a core alloy clad on 1 or 2 sides with a lower melting aluminum-silicon (Al-Si) alloy. This thin layer, usually makes up 5 % to 10 % of the total thickness of the brazing sheet.
It melts and flows during the brazing process, to provide upon cooling a metallic bond between the components. It is common that the braze clad alloy are from the AA 4xxx series or more particularly AA 4343 (Al-6.8~8.2 wt.% Si).
However, if larger fillets are desirable, or if in a situation where brazing is likely to occur at lower temperatures, AA4045 is the preferred choice.
|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||One side; Both sides|
|cladding rate||5%, 7.5%, 10%, 13%, 15% (other clad percentages available upon request)|
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
Mill finish; for thickness 0.3--3.5mm, chemically degreased
1> Tolerance according to EN and ASTM.
2> Higher thickness on request.
3> Special dimensions , tolerances, and alloys on request.