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Brazing material 4343+3003+4343 two sides aluminum cladding sheet

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Specification Range

4343/3003/4343 is a kind of Three-layer aluminum alloy composite foil which is the most widely used aluminum-heat transfer material. It is the basic material for the preparation of automotive engine radiator, air conditioning condenser, intercooler and other heat exchangers. The outer 4343 subeutectic aluminum-silicon alloy is the brazing material connecting the fluid pipe to the heat fin, while the inner 3003 aluminum-manganese alloy is the bearing part of the heat fin.

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Place of Origin:China
Brand Name:Hengjia
Model Number:4343/3003/4343
Temper:O, H14, H16, H18, H22, H24 , etc
Thickness :0.4-5.0mm
width16~1250mm
length:customized
Delivery Time:7 Days
MOQ:50kg

Core Alloy: 3003

Cladding Alloy: 4343 

Thickness: 1.0mm-3.0mm 

Width:700mm-1200mm

Clad Rate: 8%-12% per side or customer requested

Application: the material widely used for manufactuer radiators, condensers, evaporators,heat exchanger, intercoolers, engine oil coolers etc.

Min Order: 3 ton per size as trial 

Delivery Time: within 15-25days after receipt of your deposit 

Packing : export standard wooden box or pallet

Clad Aluminum Alloy Plates, Strips for Brazing, which are widely used in brazed heat exchangers, electronics, automotive engineering, thermal engineering, and machinery engineering and etc.

The normal alloys are 4045/3003, 4343/3003, 4045/3003/4045, 4343/3003/4343, 4343/3003/7072 and etc.

Aluminum alloy composited sheet for radiator fin and plate

Note: 4343 can be replaced by 4045, 4047 and so on according to customer's requirements.Alloy, specification and mechanical property can be customized according to different requirements.

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Technical standard
Clad Aluminium Sheet/Strip for Heat transfer
Material AlloyCore Material3003, 3003+1%Zn, 3003+1.5%Zn, 3003+1.5%Zn+Zr, 3003+0.5%Cu, 3005, tc
Cladding Material4343, 4343+1%Zn, 4045, 4045+1%Zn, 4004, 7072, 5005, etc
Clad Level4~18% (±1.5%)
TemperO, H14, H16, H18, H22, H24 , etc
SizeAs following specs sheet, or made on request
TypeSheet, Coil, Strip
Tensile StrengthDepending on temper, 95Mpa~235Mpa
Yield StrengthDepending on temper, 35Mpa~160Mpa
ElongationDepending on temper, 1%~15%
Main ApplicationHeat exchanger, auto radiator, charge air cooler, evaporator, condenser,
aluminium fin, header plate, HF welded pipe/tube, etc
Product features

1. Brazing Material 4343+3003+4343 is with Various specifications for fin and plate;

2.Brazing Material 4343+3003+4343 is with good mechanical property and surface condition;

3.Brazing Material 4343+3003+4343 is with excellent collapse resistance during brazing;

4. Brazing Material 4343+3003+4343 is with perfect strength after brazing.

Application fields

4343A/3003/4343A aluminum alloy composites are widely used in the manufacture of various brazed aluminum heat exchangers Specific products include water tank with main plate material, water tank with high frequency welding pipe material, water tank with fin material, condenser with fin material. Condenser main plate material, evaporator plate material, evaporator fin material, intercooler fin material, intercooler main plate material, oil Sheet material for chillers, fin material for oil chillers, fin material for air cooling, sheet material for vacuum brazing, fin for vacuum brazing.

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