Packaging Materials

Aluminum brazing material for heavy duty,farm machinery,Airplane heat exchanger ,cold chain and etc.
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1. Chemical composition of cladding material, core material about aluminum alloy and composite-material for welding heat exchanger
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(1) Cladding Material

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Alloy | Si | Fe | Cu | Mn | Mg | Zn | Zr | Ti | code |
4343 | 6.8-8.2 | 0.8 | 0.25 | 0.1 | － | 0.2 | － | 0.05 | 1 |
4343+1%Zn | 6.8-8.2 | 0.8 | 0.25 | 0.1 | － | 0.5-1.5 | － | 0.05 | 2 |
4045 | 9.0-11.0 | 0.8 | 0.3 | 0.05 | － | 0.2 | － | 0.2 | 3 |
4045+1%Zn | 9.0-11.0 | 0.8 | 0.3 | 0.05 | － | 0.5-1.5 | － | 0.2 | 4 |
4004 | 9.0-10.5 | 0.8 | 0.25 | 0.1 | 1.0-2.0 | 0.2 | － | 0.2 | 5 |
7072 | 0.7 | 0.1 | 0.1 | 0.1 | 0.8-1.3 | － | － | 6 |
5005 | 0.3 | 0.7 | 0.2 | 0.2 | 0.5-1.1 | 0.5-1.0 | － | 0.03 | 7 |
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(2) Core Material

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Alloy | Si | Fe | Cu | Mn | Mg | Zn | Zr | Ti | code |
3003 | 0.6 | 0.7 | 0.05-0.20 | 1.0-1.5 | － | 0.1 | 0.05 | 0.03 | 1 |
3003+1%Zn | 0.6 | 0.7 | 0.05-0.20 | 1.0-1.5 | － | 0.5-1.50 | 0.05 | 0.05 | 2 |
3003+1.5%Zn | 0.6 | 0.7 | 0.05-0.20 | 1.0-1.5 | － | 1.0-2.0 | 0.05 | 0.05 | 3 |
3003+1.5%Zn+Zr | 0.5-1.0 | 0.7 | 0.05-0.20 | 1.0-1.6 | － | 1.0-2.0 | 0.05-0.2 | - | 4 |
3003+0.5%Cu | 0.6 | 0.7 | 0.30-0.70 | 1.0-1.5 | － | 0.10 | 0.05 | 0.1 | 5 |
3005 | 0.6 | 0.7 | 0.20-0.40 | 1.0-1.5 | 0.20-0.60 | 0.25 | － | 0.01 | 6 |
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2. Main mechanical properties of aluminum alloy and composite-material for welding heat exchanger

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Alloy Code | temper | Tensile Strength
Rm(MPa) | Yield Strength Rp0.2(Mpa) | Extend Ratio
A50(%) |
TR-010,TR-020,TR-030,TR-040,TR-050,TR-110,TR-310,TR-116,TR-316,TR-111,TR-313,TR-121,TR-131,TR-141,TR-150,TR-151,TR-156 Etc. | O | 95-135* | ≥35* | ≥15* |
H14 | 140-185 | ≥125 | ≥1.5 |
H24 | 140-185 | ≥125 | ≥3.0 |
H16 | 185-225 | ≥160 | ≥1.0 |
H18 | ≥185 | - | ≥0.5 |
TR-166 Etc.tube material | H24 | 185-235 | ≥150 | ≥8 |
TR-116,TR-316 Etc.tube material | H14 | 140-185 | ≥125 | ≥3 |
H24 | 140-185 | ≥125 | ≥8 |
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Remark:“*”in the above file means the tensile strength will be 120-150Mpa,yield strength will be ≥45Mpa,and elongation will be ≥20% if the material of TR-050,TR-150,TR-151,TR-156 etc. with temper O contain Cu..
Additional: We can produce special specification according to customer’s request.
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3. Produce capability

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? | Width(mm) | Thickness(mm) | Length(mm) | Inside Diameters(mm) |
Sheet | 500-1070 | 0.5-5.0 | 500-2500 | - |
Strip | 12-1070 | 0.2-3.0 | - | 150,200,300,400,500 |
Foil | 12-1070 | 0.05-0.2 | - | 150,200,300,400,500 |
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Composite ratio | 4-18%(per side) |
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Percent Clad(per side) | 4-8% | ＞ 8-18% |
Cladding tolerance | ±1.5% | ±2.0% |
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4. Our advantage
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(1). We have gained rich experience?from 1988??in this industry in China;
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(2). Good reputation in Aluminum and Copper Areas;
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(3). Our processing starts from aluminum ingot,so we can control the quality as well;
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(4). New material research is focused by our own development department;
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(5). Good experience and cooperation with giant clients in the world;
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(6). With Certificate ISO14001,?TS16949 and OHSAS 18001;
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(7). Fast delivery time;
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(8).?High performance cost ratio;
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(9). Good service, and?good communication skills and understandings for customers;.
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