5556 and 5556A aluminum welding wire is a commonly used aviation welding solder with good welding performance and mechanical properties.
Why Choose Chalco Aluminum's 5556 5556A aluminum welding wire rod?
Quality could full meet world wide aviation standard
AMS 4190D: 2019 Aluminum Alloy, Welding Wire 5.2Si (5556)
MIL-W-6712D Welding Wire
BS N61 Alloy 5556A Wire MIG and TIG
Production and management comply with international aviation quality system certification
AS9100
OHSAS 18001
ISO14001
ISO 9001
NADCAP HT
NADCAP NDT
IATP16949
Specs of 5556 5556A aluminum welding wire rod
| Diameter |
MIG-wires [mm]: 0.8; 1.0; 1.2; 1.6; 2.0; 2.4 TIG-rods [mm]: 1.6; 2.0; 2.4; 3.2; 4.0; 5.0 |
| Packing | Spools: S 100/0.5kg; S 200/2kg; S 300/6kg; B 300 / BS 300/7kg |
| Standard |
AMS 4190D: 2019 Aluminum Alloy, Welding Wire 5.2Si (5556) MIL-W-6712D Welding Wire BS N61 Alloy 5556A Wire MIG and TIG |
Chemical composition of 5556 and 5556A aluminum alloy
| Element | 5556 Composition % | 5556A Composition % |
| Si | 0.25 | 0.05 |
| Fe | 0.40 | 0.50 |
| Cu | 0.10 | 0.10 |
| Mn | 0.50-1.0 | 0.50-1.0 |
| Mg | 4.5-5.5 | 4.5-5.5 |
| Cr | 0.05-0.20 | 0.05-0.20 |
| Zn | 0.10 | 0.10 |
| Ti | - | 0.06-0.20 |
| Al | Remainder | Remainder |
Mechanical property of 5556 5556A aluminum welding wire rod
| Types | Normal size | Physical property |
| 5556 aluminum welding wire rod | 0.8, 1.0, 1.2, 1.6, 2.0, 2.4 |
Density: 2.70g/cm3; Melting point: 635-645°C; Thermal conductivity: 120W/(m·K); Coefficient of linear expansion: 23.2×10-6/K（20-100°C） |
| 5556A aluminum welding wire rod | 0.8, 1.0, 1.2, 1.6, 2.0, 2.4 |
Density: 2.70g/cm3; Melting point: 635-645°C; Thermal conductivity: 120W/(m·K); Coefficient of linear expansion: 23.2×10-6/K（20-100°C） |
| Types | Normal size | Weld mechanical properties |
| 5556 aluminum welding wire rod |
0.8; 1.0; 1.2; 1.6; 2.0; 2.4 |
Tension strength: ≥380MPa; Yield strength: ≥240MPa; Elongation: ≥12%; Impact toughness: ≥120J（-46°C） |
| 5556A aluminum welding wire rod |
0.8; 1.0; 1.2; 1.6; 2.0; 2.4 |
Tension strength: ≥380MPa; Yield strength: ≥240MPa; Elongation: ≥12%; Impact toughness: ≥120J（-46°C） |
Features of 5556 5556A aluminum wire rod
5556 and 5556A aluminum welding wire is a commonly used aerospace welding material with good welding performance and mechanical properties. Its main characteristics are as follows:
Excellent welding performance: 5556 and 5556A aluminum welding wires are suitable for various welding methods such as TIG, MIG and argon arc welding, and are not easy to produce defects such as pores and inclusions during the welding process, so that the appearance of the weld seam is good.
High mechanical properties: 5556 and 5556A aluminum welding wire welded joints have good strength and toughness, and the mechanical properties of the welded joints are stable, meeting the requirements of the aerospace field.
Strong corrosion resistance: the welded joints of 5556 and 5556A aluminum welding wires have good corrosion resistance and can withstand various harsh working environments, such as high temperature, high humidity, corrosion, etc.
Uses of 5556 5556A aluminum wire rod
In the field of aerospace, 5556 and 5556A aluminum welding wire rod is mainly used in the following areas:
Welding of aircraft structural parts, such as wings, fuselage, brackets, supports, etc.
Welding of aero-engines, such as blades, radiators, air intakes, etc.
Welding of spacecraft and satellites, such as propellers, shells, fuel tanks, etc.
In a word, 5556 and 5556A aluminum welding wires rods have good performance and wide application fields, and plays an important role in the aerospace field.
What precautions should be taken when purchasing 5556 5556A aluminum wire rod?
Determine the specifications and models: select according to the needs, and confirm whether the specifications and models of the welding wire meet the required welding process and welding materials.
Choose manufacturers and brands: choose welding wire manufacturers and brands with high reputation to ensure the quality and stability of welding wire.
Check the packaging and identification: check whether the packaging and identification of the welding wire are clear and complete, and whether there is information such as the manufacturer, production date, and model.
Check the quality certificate: check whether the welding wire has relevant quality certificates and inspection reports to confirm the quality and performance of the welding wire.
Storage and use: store the welding wire in a dry, ventilated, and dust-free place to avoid moisture, heat or damage. When in use, parameter adjustment and preheating treatment are required according to the welding process and welding materials to ensure welding quality and safety.
It should be noted that the quality and performance of the welding wire have an important impact on the welding quality and safety, and should be carefully selected when purchasing and operated in strict accordance with the requirements when using.
