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                           4000 Series
  
                      4004   4045   4047
  
    Most 4000 series alloys are used for welding 
  and brazing filler materials where they are remelted. 
  Thermal treatment causes silicon to coalesce 
  and spheroidize while the insoluble iron-rich phase is 
  not altered. 4000 series alloys are also used as the clad 
  alloy component of brazing sheet.

Flux Brazing Stock Items

Stock	#21	#22
.020" x 36" x 72.00	X	X
.032" x 36" x 72.00	X	X
.040" x 36" x 72.00	X	X
.050" x 36" x 72.00	X	X
.063"x 36" x 72.00	X	X
.080" x 36" x 72.00	X	X
.094" x 36" x 72.00	X	X
.125" x 36" x 72.00	X	X
.190" x 36" x 72.00	X	X

MULTICLAD™ Stock Items

Multiclad	.016" x 36" x 72"
Multiclad	.020" x 36" x 72"
Multiclad	.032" x 36" x 72"
Multiclad	.040" x 36" x 72"
Multiclad	.050" x 36" x 72"
Multiclad	4000 Series Cladding 3003 Interlayer 6000 Series Core

Braze Sheet Items	No of Sides Clad	Core Alloy	Cladding Alloy	Nominal Cladding Thickness Per Side (Percent of Composite Thickness)	Optimal Brazing Range
#11	1	3003	4343	10% for .063 and less, 5% for .064 and more	1100-1140/593-616
#12	2	3003	4343	10% for .063 and less, 5% for .064 and more	1100-1140/593-616
#21	1	6951	4343	10% for .090 and less, 5% for .091 and more	1100-1140/593-616
#22	2	6951	4343	10% for .090 and less, 5% for .091 and more	1100-1140/593-616
#23	1	6951	4045	10% for .090 and less, 5% for .091 and more	1090-1120/588-604
#24	2	6951	4045	10% for .090 and less, 5% for .091 and more	1090-1120/588-604
#33	1	6951	4044	10% for all thickness	1100-1135/539-613
#34	2	6951	4044	10% for all thickness	1100-1135/539-613
#44	2	6951	4044/7072	15% 4044 one side, 5% 7072 other, for all thickness	1100-1135/539-613

Foil Stock

Stock	6951	4047	No. 12	4004	4045
.001		X		X	X
.002		X		X	X
.003	X	X		X	X
.004	X	X		X	X
.005	X	X		X	X
.006	X	X	X		X
.008	X	X	X		X
.010	X	X	X		X
.012	X	X	X
.015		X	X		X