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EN AW-5454 · AlMg3Mn

The magnesium alloy rated for sustained service above 65 °C, where higher-Mg grades risk stress-corrosion sensitization. The specification answer for hot, welded, corrosive duty.

2.69g/cm³
Density
290MPa
Typical tensile strength (H24 / H34)
70.3GPa
Elastic modulus
5000
Series — Al-Mg marine

Material Data

Composition and physical properties

Chemical composition (% by mass)
ElementLimit / range
Si≤ 0.25
Fe≤ 0.40
Cu≤ 0.10
Mn0.50 – 1.0
Mg2.4 – 3.0
Cr0.05 – 0.20
Zn≤ 0.25
Ti≤ 0.20
Albalance

Limits per EN 573-3 / applicable registration. The governing specification on your order prevails.

Physical properties (typical, room temperature)
PropertyValue
Density2.69 g/cm³
Melting range602 – 646 °C
Thermal expansion (20–100 °C)23.6 µm/m·K
Elastic modulus70.3 GPa
Thermal conductivity134 W/m·K
Electrical conductivity34 % IACS

Strength Data

Mechanical properties by temper

Typical room-temperature values for orientation. Design minimums depend on product form, thickness and the governing specification — request the applicable table with your inquiry.

Typical mechanical properties — EN AW-5454 (AlMg3Mn)
TemperYield strength (MPa)Tensile strength (MPa)Elongation (%)Hardness (HB)
O1152502262
H1111252601864
H221802751272
H24 / H342002901074
H321802751270

Designations & Standards

How this alloy appears on drawings

Cross-reference designations
SystemDesignation
ISO / EN designationAlMg3Mn
EN numericEN AW-5454
UNSA95454
Werkstoff-Nr.3.3537
Common product standardsAMS QQ-A-250/10, AMS QQ-A-200/6 · ASTM B209 · UNS A95454 · EN 485

Supply Program

Available from Lipol as

Catalog entries for EN AW-5454
Product formStandardAlloyTemperCategory
SheetAMS QQ-A-250/105454OAerospace & Defense
Bar / FlatAMS QQ-A-200/65454H111Aerospace & Defense
PlateUNS A954545454H22Machinery, Automotive & Mold
PlateASTM B2095454H24General Industry
PlateASTM B2095454H32General Industry
PlateEN AW5454H34General Industry

Additional tempers, forms and specifications available on request — the table shows the standard program.

Applications

Where EN AW-5454 is the right answer

  • Tanker trailers for hot cargo
  • Pressure vessels and boilers
  • Offshore and chemical plant structures
  • Exhaust-adjacent components

Specifying EN AW-5454?

State the temper, product form, dimensions and governing standard from the tables above, and we will confirm availability with a firm price and delivery date — typically within one business day.

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Material Engineering

Not sure EN AW-5454 is the right alloy?

Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.

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