ER 5087 (AlMg4.5MnZr(A)) Aluminium Welding Wire

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Welding Consumables

Aluminium-magnesium filler metal for MIG and TIG welding of aluminium-magnesium basis alloys

Chemical Designation: AlMg4.5MnZr(A)
Standard: AWS A5.10, GB/T10858-2023

Chemical Composition (%)

Others

Each

Total

≤0.25

≤0.40

≤0.05

0.7-1.1

4.5-5.2

0.05-0.25

≤0.25

≤0.15

0.10-0.20

Rest

≤0.0003

≤0.05

≤0.15

Mechanical Properties

Tensile Strength (MPa): ≥285
Yield Strength (MPa): ≥140
Elongation (%): ≥18

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)

Features

Contains 4.5% magnesium and trace amounts of zirconium, which helps refine the weld grain structure
Offers excellent mechanical strength, crack resistance, and flexibility, ideal for demanding structural applications
Provides strong corrosion resistance, making it suitable for harsh or marine environments
Ensures stable arc performance with low spatter and smooth, clean weld bead appearance
Suitable for applications where high weld integrity and durability are necessary

Applications

Shipbuilding: A solid choice for welding ship hulls, decks, and structural aluminium parts exposed to harsh marine conditions
Transportation: Widely used in the construction and repair of aluminium components in cars, trains, and urban rail infrastructure
Offshore engineering: Performs reliably in the fabrication of aluminium structures used in offshore projects
Power industry: Used for components such transformer parts and cable brackets made of aluminium-magnesium alloys
Aerospace: Applied in the welding of aluminium-magnesium components in aircraft and spacecraft

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)

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

Recommended Welding Method

ER 5087 aluminium welding wire is suitable for both MIG and TIG welding using alternating current and pure argon as shielding gas. To ensure clean, high-quality welds, it’s important to remove any oil, dust, or moisture from the area to be weld and from the welding wire surface before starting.