Shandong Tongxin Aluminium Industry Co.
Shandong Tongxin Aluminium Industry Co.,Ltd.
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High Frequency Welded Aluminum Tube/Pipe For Air Conditioning/Automotive Air Conditioning System/Heat Exchange
| 1. Material | ||||||||||||||
| No. | Classificaiton | Layer | Alloy Number | Cladding Ratio | ||||||||||
| 1.1 | Non-cladding | Core | AA3003 | - | ||||||||||
| 1.2 | Cladding | Outer cladding | AA4343 | 8%-12% | ||||||||||
| Core | AA3003 | - | ||||||||||||
| Inner cladding | AA7072 | 8%-12% | ||||||||||||
| 2. Product size and tolerance | ||||||||||||||
| No. | Specification | Size | Tolerance | |||||||||||
| 2.1 | Width (mm) | 16/18/22/26/32/40,etc. | within ±0.08 | |||||||||||
| 2.2 | Height (mm) | 1.5/2.0,etc. | ±0.06 | |||||||||||
| 2.3 | Wall Thickness (mm) | 0.28 to 0.35 | ±0.015 | |||||||||||
| 3. Chemical composition for alloys | ||||||||||||||
| No. | AA number | Chemical Composition (%) | ||||||||||||
| Si | Fe | Cu | Mn | Mg | Zn | Ti | Zr | Bi | Others | Al | ||||
| Each | Total | |||||||||||||
| 3.1 | 3003 | 0.6 | 0.7 | 0.05-0.2 | 1-1.5 | 0.05 | 0.1 | 0.05 | 0.15 | RE | ||||
| 3.2 | 4343 | 6.8-8.2 | 0.8 | 0.25 | 0.1 | 0.05 | 0.2 | 0.05 | 0.15 | RE | ||||
| 3.2 | 7072 | 0.7 | 0.1 | 0.1 | 0.1 | 0.1 | 0.8-1.3 | 0.05 | 0.15 | RE | ||||
| 4. Mechanical properties | ||||||||||||||
| No. | Alloy number | Temper | Yield Strength Rp0.2(Mpa). Min | Tensile Strength Rm (Mpa) | Elongation (%) A50,Min | Typical usage | ||||||||
| 4.1 | 3003 | O | 35 | 95-135 | 10 | Auto. Heat exchanger welded tube | ||||||||
| 4.2 | 3003 | H12 | 90 | 120-175 | 0.5 | Auto. Heat exchanger welded tube | ||||||||
| 4.3 | 3003 | H14 | 125 | 145-200 | 0.5 | Auto. Heat exchanger welded tube | ||||||||
| 4.4 | 3003 | H24 | 125 | 145-205 | 6 | Auto. Heat exchanger welded tube | ||||||||
| 4.5 | 4343 | O | 35 | 95-150 | 8 | Auto. Heat exchanger welded tube | ||||||||
| 4.6 | 4343 | H14 | 120 | 140-200 | 0.5 | Auto. Heat exchanger welded tube | ||||||||
| 5. Surface finish and other properties | ||||||||||||||
| No. | Item | Description | ||||||||||||
| 5.1 | Surface finish | a. shall be free from pinholes and tearing; b. shall be free from waves and buckles; c. shall be bright,clear from dirts | ||||||||||||
| 5.2 | Depth of Curvature | In any length of 1 meter of the material,the depth of arc shall not exceed 2mm | ||||||||||||
| 6. Packing,Shipping and others | ||||||||||||||
| No. | Item | Description | ||||||||||||
| 6.1 | Packing | To be packed in wooden crate with polythene cover for water protection | ||||||||||||
| 6.2 | Marking | Each box to be legibly marked with the name of the manufacturer or supplier, the alloy designation of material,condition,dimensions and weight | ||||||||||||
| 6.3 | Shipping tools | Ship goods by van to departune port then by sea to desitination port | ||||||||||||
| 6.4 | Quantity variation | ±10% variation with order quantity shall be acceptable | ||||||||||||
We can gurantee product quality and offer very good service, another, our have many years experience of coating and export. If your have any question in the future time, your can freely contact us!
Contact Person: Manager Cong
Tel.:+86-531-83107167
Fax.+86-531-87868867
Mobile: 86-13355318076
Skype: tongxinaluminum