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1.Products
Name: Solid aluminum welding wire (CH-88-S);
Manufacturer: Henan Chalco Aluminum Fabrication Co.,Ltd.;
2.The Application range of Solid aluminum welding wire
This product can be applied to the brazing of aluminum alloy tubes such as aircraft engine units, automobile air-conditioning heat exchangers, refrigeration and air-conditioning all-aluminum evaporators, condensers, refrigerator freezers, and power aluminum bars. (As long as it is aluminum-aluminum brazing, it can be used.)
Common aluminum alloys such as 1 series (1060/1100, etc.), 3 series (3003/3026, etc.), 5 series (5052, etc.), 6 series (6061/6063, etc.) can be used for brazing.
3.The chemical composition of Solid aluminum welding wire
This product is made of nano-aluminum-silicon alloy powder through a special process.
The main ingredients are as follows:
|
Chemical composition |
Content（% ） |
|
Si |
11～13.0 |
|
Fe |
≤0.80 |
|
Cu |
≤0.30 |
|
Mn |
≤0.15 |
|
Mg |
≤0.10 |
|
Zn |
≤0.20 |
|
Al |
margin |
4.The Physical and chemical properties of solid aluminum welding wire
Color: silvery white;
State: solid
Shape: wire, strip, ring
Melting point: 575℃～585℃;
5.The size of solid aluminum welding wire
1) The tolerance size of the welding wire conforms to the following table.
Tolerance size unit: mm
|
Wire Dia |
Deviation |
|
1.0～5.0 |
±0.05 |
2) The inner diameter tolerance of the welding ring conforms to the following table.
Tolerance size unit: mm
|
Dimension |
Basic size of inner diameter |
Limit deviation |
|
ID |
4.6 ～ 13 |
±0.05 |
|
13～ 30 |
±0.12 |
|
|
Wire Dia |
1.0～3.0 |
±0.1 |
|
Ovality |
＜0.1mm |
/ |
|
Opening |
＜0.3mm |
/ |
|
Flatness |
＜0.5mm |
/ |
Remarks: The ovality is: IDmax-IDmin;
The flatness is: Hmax-Hmin,
6.The Product features of solid aluminum welding wire
1). No solder paste and flux are required during soldering, which is environmentally friendly and efficient.
2). Easily meet the current automated production process requirements.
3). There is no corrosive residue after welding and no cleaning is required.
7.The Packing of solid aluminum welding wire
1) Material
Inner packaging: PE bag (strip), aluminum foil bag (ring)
Outer packing: carton
2) Packing specifications
Strip welding wire: 5KG/bag, 2 bags/carton, 10KG/carton
Rolled welding wire: 5KG/roll; 1 roll/carton;
Ring-mounted solder: Adjust according to the specific size of the welding ring; or customize according to customer requirements.
3) Packing box marking: name, model and specification.
4) Package size and weight
8.The Transportation and storage of solid aluminum welding wire
1) Avoid shock, sun and rain during product transportation.
2) Store in a steel container or plastic container; lightly place the container in a dry, cool, and well-ventilated place.
3) After the product is opened, it must be used up as soon as possible. If it cannot be used up in time, please keep it properly to avoid contact with water vapor and oil.
