4045/3003/4045 Aluminum Clad Brazing Sheet

Aluminum clad brazing sheet is mainly used for the oil cooler fin and cooler board,  3003 core is widely used, and 6951 core is quite common for us as well.4045 can be replaced by 4343/4047etc, 4104 is used in vacuum brazing, can be replaced by 4004 , according to customer’s requirement.Alloy、specification and mechanical property can be customized according to different requirement.

Alloy and specification can be customized according to different requirements

Alloy and specification can be customized according to different requirements

*Various specifications for fin and plate

*Perfect strength after brazing

Performance index of oil cooler fin material

Alloy

Temper

Thickness

(mm)

Tolerance

(mm)

Clad rate

(%)

Mechanical property

Tensile Strength

(MPa)

Yield

Strength

(MPa)

Elongation

Min.(%)

3003

(inner fin)

O

0.2~0.3

±0.007

None

100~150

≥45

15

6951

(inner fin)

O

0.2~0.3

±0.007

None

115~165

≥50

15

3003

(external fin)

H14

0.1~0.15

±0.005

None

150~200

≥120

1

Performance index of oil cooler board material

Alloy

Temper

Thickness

(mm)

Tolerance

(mm)

Clad rate

(%)

Mechanical property

机械性能

Tensile Strength

(MPa)

Yield

Strength

(MPa)

Elongation

Min.(%)

4045/3003/

4045

O

0.5~0.8

±0.02

15~20

10~15

100~150

≥45

25

4045/SA-5/

4045

O

0.5~0.8

±0.02

15~20

10~15

110~160

≥50

25

4045/SA-7/

4045

O

0.5~0.8

±0.02

15~20

10~15

120~170

≥55

25

4104/3003/

4104

O

0.5~0.8

±0.02

15~20

10~15

100~150

≥45

25

4104/SA-5/

4104

O

0.5~0.8

±0.02

15~20

10~15

110~160

≥50

25

4104/SA-7/

4104

O

0.5~0.8

±0.02

15~20

10~15

120~170

≥55

25

*Long fatigue lifetime for inner fin

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