DIN 1725-1 Grade 3.3535 H18

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Description

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. The material is used for statically loaded construction units. It is of this type of alloy the material most common used in the technology. For decorative anodising must be proceeded from the anodising quality AlMg3EQ. Application: In the apparatus engineering for pressure and compressed gas according to AD-W6/1 and VdTUEV-Werkstoffblaetter, for tanks for very low-temperatures, for heat exchangers. In the building industry for claddings, roofings, windows, doors and window walls, fittings as well as for carrying constructions according to DIN 4113. In the automobile engineering for commercial motor vehicle superstructures (sheet metal), for silo and tank trucks as well as body parts. For diaphragm disks of brake boosters, in the aircraft construction, in the building of forms predominantly for tools and devices as base, head and stamp plates as well as guide plates. For metal goods (incl. table-ware) and metal-describe, in food industry (including commercial devices), in the building of rail-mounted vehicles for equipments, in mechanical engineering for machine bodys, for housings. In shipbuilding for trunk and superstructures and equipment. For transport container (rolling barrel, large bottles to 10 l, liquid container up to 1 cubic meter in galvanized steel rack). For packing (doses, dose cover, valve disk for aerosol doses and bottle caps), for furniture (incl. camping furniture) and for joining elements (solid rivets, blind rivets, riveting nuts and screws) as well as for flexible pipes.

Related Standards

Equivalent Materials

This material data has been provided by WIAM,AluKey.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueConditionRelated StandardsShape

Density

2.66 g/cm³

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H18

EN 573-3, EN 1301, EN 485, EN 754

20.0 °C

2.66 g/cm³

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H18

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

Flat

Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Bending Fatigue Strength

140.0 MPa

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H18

EN 573-3, EN 1301, EN 485, EN 754

Elastic modulus

70.5 GPa

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H18

EN 573-3, EN 1301, EN 485, EN 754

20.0 °C

68.0 - 72.0 GPa

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H18

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

Flat

Elongation

-196.0 °C

27.0 %

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H18

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

-150.0 °C

20.0 %

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H18

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

-100.0 °C

14.0 %

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H18

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

-50.0 °C

10.0 %

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H18

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

1.0 %

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H18

EN 573-3, EN 485

A50

2.0 %

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H18

EN 573-3, EN 1301

2.0 %

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H18

EN 573-3, EN 485, EN 754

A50

3.0 %

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H18

EN 573-3, EN 754

A100

20.0 °C

2.0 %

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H18

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

Flat

A10

20.0 °C

3.0 %

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H18

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

Flat

20.0 °C

7.0 %

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H18

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

Hardness, Brinell

88.0 [-]

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H18

EN 573-3, EN 485

20.0 °C

85.0 [-]

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H18

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

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Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 5000 Series Aluminium

Poisson's ratio

0.33 [-]

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Typical for Wrought 5000 Series Aluminium

Shear modulus

26.5 GPa

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H18

EN 573-3, EN 1301, EN 485, EN 754

20.0 °C

27.0 GPa

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H18

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

Flat

Tensile strength

280.0 MPa

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H18

EN 573-3, EN 754

290.0 MPa

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H18

EN 573-3, EN 485

305.0 MPa

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H18

EN 573-3, EN 1301

20.0 °C

290.0 - 330.0 MPa

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H18

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

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Thermal

PropertyTemperatureValueConditionRelated StandardsShapeComment

Coefficient of thermal expansion

20 °C

2.3899999999999998e-05 1/K

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H18

EN 573-3, EN 1301, EN 485, EN 754

100 °C

2.3899999999999998e-05 1/K

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H18

EN 573-3, EN 1301, EN 485, EN 754

100.0 °C

2.39e-05 1/K

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H18

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

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Max service temperature

150.0 °C

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Typical for Wrought 5000 Series Aluminium

Melting point

610.0 - 640.0 °C

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H18

EN 573-3, EN 1301, EN 485, EN 754

Specific heat capacity

20.0 °C

963.0 J/(kg·K)

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H18

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

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Thermal conductivity

20.0 °C

140.0 - 160.0 W/(m·K)

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

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Electrical

PropertyTemperatureValueConditionRelated StandardsShape

Electrical conductivity

20.0 °C

20000000.0 - 23000000.0 S/m

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

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Electrical resistivity

4.35e-08 - 5e-08 Ω·m

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H18

EN 573-3, EN 1301, EN 485, EN 754

Chemical properties

PropertyValueConditionRelated StandardsShape

Chromium

0.3

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H18

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

Flat

Copper

0.1 %

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

Flat

Iron

0.4 %

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H18

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

Flat

0.40 %

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H18

EN 573-3, EN 1301, EN 485, EN 754

Magnesium

2.6 - 3.6 %

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

Flat

Manganese

0.5 %

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

Flat

Silicon

0.4 %

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

Flat

Titanium

0.15 %

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

Flat

Zinc

0.2 %

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H18

DIN 1725-1, EN 573-3, EN 573-4, EN 1301, EN 485, EN 754

Flat

Technological properties

Property
Anodizing

decorative: gut (EQ: sehr gut), Protective: very good

Brazing

hard brazing (with flux/ without flux): poor / sufficient, friction soldering: acceptable, soft brazing with flux: poor

Corrosion properties

Seawater: very good to good, weathering: very good

Workability

Bending / Spinning (cold): good / acceptable, Impact extrusion (cold): sufficient, Deep drawing / upsetting (Condition) good (O) / good (H12)