Clad Aluminum Brazed Alloy For
Heat Exchangers

Main Alloy:   3003,3Y33,3Y33A,3Y34A,CF30

Temper:    H14,H16

Thickness:  0.0475-0.16mm

Application:  Radiator, Heater core, Laminated evaporator, CAC, Oil cooler

Alloy Temper Thickness Tensile Strength (MPa) Yield Strength (Mpa) Elongation(%) Application
3003 O 0.10-0.30 95 – 135 ≥ 35 ≥ 20 Radiator

Evaporator

H14 145 – 185 ≥ 123 ≥ 2
3Y33 H14 0.08-0.12 180 – 220 ≥ 160 ≥ 0.5
Cf30 H14 0.045-0.07 180 – 220 ≥ 160 ≥ 0.5

Main Alloy: Q3003P, Q17A1, Q171

Temper: H14,H16

Thickness: 0.07-0.12mm

Application: PE evaporator, Condenser

Advantages:

  • High post-brazed strength, good conductivity
  • Good sag-resistence under high temperature
  • Helping customer reduce cost of raw materials substantially
Alloy Clad Ratio Temper Thickness(mm) Tensile Strength(MPa) Yield Strength(MPa) Elongation(%) Application
Q171(4343/3Y33/4343) 10 ± 2% H14 0.08 – 0.02 180 – 220 ≥ 160 ≥ 0.5 Condenser
Q373(4045/3Y33/4045) 10 ± 2% H14 0.09 – 0.15 165 – 205 ≥ 0.5
Q111(4343/3003/4343) 10 ± 2% H14 0.10 – 0.20 140 – 170 ≥ 1
Q313(4045/Q3003/4045) 10 ± 2% H14 0.10 – 0.20 180 – 220 ≥ 160 ≥ 0.5
Structure Alloy Si Fe Cu Mn Mg Zn Ti
Clad 4343 6.8-8.2 <0.8 <0.25 <0.1 <0.20 <0.05
4045 9.0-11.0 <0.8 <0.35 <0.05 <0.05 <0.10 <0.02
Core 3Y33 0.1-1.0 <0.7 <0.1 1.4-2.0 1.3-2.0
Clad Q3003 <0.6 <0.7 0.05-0.20 1.0-1.5 <0.10

Main Alloy:   Q119, Q1109, Q1109S, Q110F7, Q3109T8

Temper:   O

Thickness:   0.4-3.0mm

Application: Water tank, intercooler, oil cooler, evaporator

Advantages:  Superior performance on machining performance and corrosion resistance

Alloy Clad Ratio Temper Thickness(mm) Tensile Strength(MPa) Yield Strength(MPa) Elongation(%) Application
Q149(4343/Q3003/7072) 10 ± 2% O 1.0 – 1.8 95 – 135 ≥ 35 ≥ 20 Radiator header plate, side plate
Q199(4343/3203/7072) 10 ± 2% O 1.0 – 1.8 120 – 150 ≥ 35 ≥ 20
Q140(4343/Q3003) 10 ± 2% O 1.0 – 1.8 95 – 135 ≥ 35 ≥ 20
Q111(4343/Q3003/4343) 10 ± 2% O 0.4 – 2.0 95 – 135 ≥ 35 ≥ 20 Evaporator
Q363(4045/3NN3/4045) 10 ± 2% O 0.4 – 1.5 130 – 160 ≥ 45 ≥ 20
Tube alloy stock

Tube alloy stock

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Main Alloy:  CC3003MOD, Q119, Q111, Q15T1

Temper:  H14,H24

Thickness:  0.21-0.40; 0.30-0.50mm; 1.13-2.08mm

Application:  Radiator welded tube, CAC welded tube and Condenser collecting tube

Advantages:  High strength corrosion resistance with competitive cost

Alloy Clad Ratio Temper Thickness(mm) Tensile Strength(MPa) Yield Strength(MPa) Elongation(%) Application
Q149(4343/Q3003/7072) 10 ± 2% H14 0.28 – 0.32 145 – 185 ≥ 125 ≥ 2

Radiator

tube

Q159(4343/Q3005/7072) 10 ± 2% H14 0.25 – 0.30 185 – 235 ≥ 150 ≥ 8
Structure Alloy Si Fe Cu Mn Mg Zn TI
Clad 4343 6.8 – 8.2 < 0.8 < 0.25 < 0.1 < 0.20 < 0.05
4045 9.0 – 11.0 < 0.8 < 0.30 < 0.05 < 0.05 < 0.10 < 0.20
Core Q3003 < 0.6 < 0.7 0.05 – 0.20 1.0 – 1.5 < 0.10
Q3005 < 0.6 < 0.7 < 0.4 1.0 – 1.5 < 0.4 < 0.10 < 0.10
Sacrifice Clad 7072 Fe + Si < 0.7 < 0.1 < 0.1 < 0.1 0.8 – 1.3

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