ER 3003 Aluminium Welding Wire Manufacturer

ER 3003 Aluminium Welding Wire

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Welding Consumables

Aluminium-manganese filler metal for MIG and TIG welding of pure aluminium and aluminium manganese alloys

Standard: GB/T3190-2020

Chemical Composition (%)

Si	Fe	Cu	Mn	Zn	Al	Others
						Each	Total
≤0.6	≤0.7	0.05-0.20	1.0-1.5	≤0.1	Rest	≤0.05	≤0.15

Features

Aluminium-manganese alloy wire widely used for welding applications that require good corrosion resistance and formability
Offers slightly higher strength than commercially pure aluminium, but cannot be strengthened by heat treatment
Its mechanical properties can be improved through cold working; high plasticity in annealed condition, moderate in semi-cold work, and low in full cold work
Commonly classified as a non-heat-treatable anti-corrosion alloy, though its machinability is relatively poor

Available Sizes

Welding wire: 0.8/1.0/1.2/1.6/2.0/2.4/3.0/3.2/4.0/5.0/6.0mm
Spool: D300 (9kg), D270 (7kg), D200 (2kg), D100 (0.5kg)

Applications

Ideal for welding components that require high plasticity and good weldability
Commonly used for low-stress load parts exposed to liquid or gas environments
Suitable for fuel tanks, oil and lubrication pipes, liquid containers, and other deep-drawn parts designed for light-duty performance

Packaging

Spooled welding wire
Drum packaged welding wire
Straight welding wire
Coiled welding wire

MIG wire diameter: 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm
Package: D300 (9kg/spool), D270 (7kg/spool)

MIG wire diameter: 1.2mm, 1.6mm
Package: drum D660 (100kg/drum)

TIG wire diameter: 2.0mm, 2.4mm, 3.0mm, 3.2mm, 4.0mm, 5.0mm, 6.0mm
Package: 1000mm length (10kg/box)

TIG wire diameter: 2.0mm, 2.4mm, 3.0mm, 3.2mm, 4.0mm, 5.0mm, 6.0mm
Coil inner diameter: D450mm, D300mm
Package: 10-17kg/coil

Recommended Welding Method

For best results, this wire performs well with both MIG and TIG welding processes. AC TIG welding with pure argon shielding gas is typically preferred to ensure clean, stable arcs and strong welds. It's important to remove any surface contaminants beforehand and avoid moisture on the workpiece or welding wire, as these can impact welding quality and consistency.