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WL 3.3354 H12 Alloy – Grade 3.3354: Superior Corrosion Resistance & Strength

The alloy is characterised by a good corrosion resistance. It is sea water steady and resistant to saline atmosphere. The Mg content increases the strength, but the cold forming capacity decreases. The material is nature hard, i.e. only by a cold forming and not by a purposeful heat treatment a strength increase can be attained. It is well polishable and anodisable. The splinter-giving machinability becomes better with increasing Mg content, just as the weldability. AlMg5 has the highest Mg content of the standardized AlMg alloys, so it is badly cold formable, but the strength is the highest, so that the employment is possible for statically more highly loaded constructions. The alloy is suitable for a splinter-giving machinig on automats. It possesses sensitivity to intergranular corrosion. By a purposeful heat treatment and/or by additive of Mn or Cr the inclination to the intergranular corrosion can be reduced. Application: In the optics, in the automobile engineering for body parts, in mechanical engineering (turned parts). For joining elements (solid rivets, blind rivets, riveting nuts and screws). In the building industry for carrying constructions as well as in shipbuilding considering the sensitivity to corrosion.

Properties

General

PropertyTemperatureValueConditionRelated StandardsShape

Density

20.0 °C

2.64 g/cm³

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Elastic modulus

20.0 °C

67.0 - 72.0 GPa

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Elongation

20.0 °C

8.0 %

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

A10

20.0 °C

10.0 %

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Hardness, Brinell

20.0 °C

70.0 [-]

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

Typical for Wrought 5000 Series Aluminium

Poisson's ratio

0.33 [-]

Typical for Wrought 5000 Series Aluminium

Shear modulus

20.0 °C

27.0 GPa

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Tensile strength

20.0 °C

255.0 MPa

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Thermal

PropertyTemperatureValueConditionRelated StandardsShapeComment

Coefficient of thermal expansion

-50.0 °C

2.25e-05 1/K

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

100.0 °C

2.41e-05 1/K

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

200.0 °C

2.51e-05 1/K

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

300.0 °C

2.61e-05 1/K

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Max service temperature

150.0 °C

Typical for Wrought 5000 Series Aluminium

Melting point

560.0 - 655.0 °C

Typical for Wrought 5000 Series Aluminium

Specific heat capacity

20.0 °C

904.0 J/(kg·K)

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Thermal conductivity

20.0 °C

110.0 - 140.0 W/(m·K)

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Electrical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Electrical conductivity

20.0 °C

15000000.0 - 19000000.0 S/m

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Electrical resistivity

3.3e-08 - 5e-08 Ω·m

Typical for Wrought 5000 Series Aluminium

Chemical properties

PropertyValueConditionRelated StandardsShape

Chromium

0.2

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Copper

0.1

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Iron

0.5

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Magnesium

4.5 - 5.6 %

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Manganese

0.1 - 0.6 %

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Silicon

0.4

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Titanium

0.2

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Zinc

0.2

H12

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3354

Rod

Technological properties

Property
Workability

Good workability.


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    1. AA 1435 H12 Aluminium Standard – Key Mechanical Properties
    2. EN 573-3 Grade 3.3326 H12 Aluminium – Properties & Standards
    3. EN 573-3 Grade 3.0505 H12 – Premium High-Strength Aluminum Alloy
    4. AA 5056 H12 Aluminium Alloy – Standards & Properties
    5. AA Grade 1350 H12 – Detailed Standards & Properties
    6. WL 3.3354 Grade F – High‑Strength, Corrosion‑Resistant Aluminum Alloy
    7. WL 3.3354 – Grade 3.3354 H18 Magnesium Alloy: Superior Corrosion Resistance & Weldability
    8. WL 3.3354 (Grade 3.3354 H28) – High‑Performance Magnesium Alloy
    9. DIN 1725-1 Grade 3.3354 H14: High-Strength Magnesium Alloy with Excellent Corrosion Resistance
    10. WL 3.3354 Grade O – High-Performance Magnesium Alloy for Corrosion-Prone Environments