1.Specification of aluminium strip:
1) Core Alloy: 1060, 3003, 5052 etc
2) Cladding alloy: 4343, 4045, 7072, 5052 etc
3) Cladding rate: 4%-18%
4) Thickness: 0.2-3.0mm
5) Width: 12 - 1250mm (max)
6) Temper: HO, H14 etc
7) I. D.: 150mm, 200mm, 300mm, 400mm, 500mm
8) Normal O. D.: 900-1450mmm
9) Other sizes is available according to customer's request
2.Description of our production
Chemical composition of core material, cladding material about
aluminum alloy and composite-material for welding heat exchanger
Core Material
| 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 |
Cladding Material
| 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 |
Main mechanical of aluminum alloy and composite-material for
welding heat exchanger
| 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 |
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.
Produce capability
| 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 |
| Composite ratio | 4-18%(per side) |
| Percent Clad(per side) | 4-8% | ＞ 8-18% |
| Cladding tolerance | ±1.5% | ±2.0% |
3.Our advantage
1. We have rich experience in this industry in China since 1988 ;
2. We own good reputation in Aluminum and Copper Areas;
3. We can control the quality as well , due to we start our
productions from aluminum ingot,;
4. We have our own development department for new material
research;
5. Good experience and cooperation with big client in the world;
6. With Certificate TS16949, ISO14001 and OHSAS 18001;
7. High performance cost ratio;
8. Fast delivery time;
9. Good communication skills, and good service and understandings
for customers;.
