5251 Aluminium sheet Overview

5251 is a medium-strength metal known for its ductility and formability

This grade of Aluminium alloy is best known as a metal that can harden rapidly and is weldable easily.

De 5251 alloy is also popular because of its high resistance to corrosion and is commonly used in marine, coastal environments.

5251 Aluminium laken Tempering

5251 alloy aluminum sheet can be provided in different tempers to achieve specific mechanical properties and characteristics. The common alloys include:

H22 - Work hardened and partially annealed to a quarter hard state

H24 - Work hardened and partially annealed to a half hard state

H26 - Work hardened and partially annealed to a three-quarter hard state

O – Wrought and fully annealed

The choice of temper for 5251 aluminium legering, or any aluminum alloy, depends on the specific requirements of your application. If you need a balance of strength and workability, H22 is a common choice. Echter, if higher strength is required at the expense of some formability, you might opt for a higher number, like H32 or H34. Omgekeerd, if formability is more critical, you might consider a lower number or the "O" woedeaanval. It's essential to consult with aluminum suppliers or manufacturers to select the right temper for your specific application.

5251 Aluminium plaat

5251 Aluminium laken Chemische samenstelling

Cu Mn En Fe mgr Cr Zn Van Ai
Min 0.15 Typisch 0.1 0.2 0.5 Typisch 1.7 0.15 Typisch 0.15 Typisch 0.15 Typisch Balance
Max 0.5 0.6 2.4

5251 Aluminium laken Welding

Cijfer 5251 Aluminium alloy is a good weldable alloy.

When welding this alloy to itself it is recommended that use filler wire is 5356.

Filler wire 5356 is also recommended if you are welding 5251 alloys to an alloy of the 6000 serie, 7000 series and the majority of 5000 serie.

If you are welding either 5251 naar 5005 of 5020 or an alloy of the 1000 series and the 3000 series of alloys then we suggest you use filler wire 4043.

Mechanical Properties of Aluminium Alloy 5251

The following parameter table refers to the authoritative website AZOM

Mechanical properties for aluminium alloy 5251 Soft O

BS EN 485-2:2008
Sheet and Plate
0.2mm to 50.00mm
Property Value
Bewijs stress 60 Min MPa
Treksterkte 160 - 200 MPa
Hardheid Brinell 44 HB

*Properties above are for material in the Soft O condition


 

Mechanical properties for aluminium alloy 5251 H22

BS EN 485-2:2008
Sheet and Plate
0.2mm to 25mm
Property Value
Bewijs stress 120 Min MPa
Treksterkte 190 - 230 MPa
Hardheid Brinell 56 HB

*Properties above are for material in the H22 condition


 

Mechanical properties for aluminium alloy 5251 H24

BS EN 485-2:2008
Laken & Bord
0.2mm to 12.5mm
Property Value
Bewijs stress 140 Min MPa
Treksterkte 210 - 250 MPa
Hardheid Brinell 62 HB

*Properties above are for material in the H24 condition


 

Mechanical properties for aluminium alloy 5251 H26

BS EN 485-2:2008
Sheet and Plate
0.2mm to 4mm
Property Value
Bewijs stress 170 Min MPa
Treksterkte 230 - 270 MPa
Hardheid Brinell 69 HB

*Properties above are for material in the H26 condition

Physical Properties of Aluminium Alloy 5251

Physical properties for aluminium alloy 5251

Property Value
Dikte 2.69 g/cm3
Smeltpunt 625°C
Modulus of Elasticity 70 GPa
Electrical Resistivity 0.44 X 10-6 Ω.m
Thermische geleidbaarheid 134 W/m.K
Thermal Expansion 25 X 10-6/K

5251 alloy aluminum sheet/plate Applications

When it comes to aluminum sheet and plate products made from the 5251 legering, here are some key features and potential applications:

  • Boats
  • Panelling and pressings
  • Marine structures
  • Aircraft parts
  • Vehicle panels
  • Furniture tubing
  • Silos
  • Containers

Application of 5251 aluminum sheet

Toepassing van 5251 aluminium plaat

Huawei aluminium offerte

Datum LME LME-weekprijs 2023-04 LME-gemiddelde 2023-04 SMM-gemiddelde
2023-05-03 2330$ 2333.3$ 2341.00$ 2712.08$
2023-05-02 2353$
2023-04-28 2342$
2023-04-27 2302$
2023-04-26 2339.5$
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