SPACE 2009
Quality Policy
AS 9120
لوحات/ طباقات
صاج
قضيب
أنابيب
5251
ASTM B210 / AlMg2Mn0.3 / 5251 / O
| Chemical Properties | % Value |
| Silicon (Si) | 0,00 - 0,40 |
| Chromium (Cr) | 0,00 - 0,15 |
| Manganese (Mn) | 0,10 - 0,50 |
| Magnesium (Mg) | 1,70 - 2,40 |
| Copper (Cu) | 0,00 - 0,15 |
| Titanium (Ti) | 0,00 - 0,15 |
| Iron (Fe) | 0,00 - 0,50 |
| Zinc (Zn) | 0,00 - 0,15 |
| Aluminium (Al) | Balance |
| Physical Properties | Value |
| Density | 2,69 g/cm³ |
| Melting Point | 605 °C |
| Thermal Expansion | 23.6 µm/m.°C |
| Modulus of Elasticity | 68 GPa |
| Thermal Conductivity | 150 W/m.K |
| Electrical Resistivity | 37% IACS |
| Mechanical Properties | Value |
| Proof Strength | 68 MPa |
| Yield Strength | 180 MPa |
| Shear Strength | 110 MPa |
| Elongation A50 mm | 19% |
| Hardness | 44 HB |
Aluminium alloy 5251 is a medium strength alloy possessing good ductility and therefore good formability. Alloy 5251 is known for work hardening rapidly and is readily weldable. It also possesses high corrosion resistance particularly in marine environments.
Sheets and plates per; 5251 O, BS 3 L80, ISO AlMg2Mn0.3, DIN AlMg2, WNR 3.3525, UNE L-3361, A-G2M, ASTM B209, UNS A95251
Cold Drawn Tubes per; 5251 O, ISO AlMg2Mn0.3, ASTM B210, UNS A95251, BS 3 L56, DIN AlMg2, WNR 3.3525, A-G2M
Cold Drawn Round/Flat Bars per; 5251 O, ISO AlMg2Mn0.3, ASTM B211, UNS A95251, DIN AlMg2, WNR 3.3525, A-G2M
Extruded Round/Flat Bar and Tubes per; 5251 O, ISO AlMg2Mn0.3, ASTM B221, UNS A95251, UNE L-3361, BS N4, A-G2M
Choosing Factors for 5251 O
- Strength: Medium
- Machining: Average
- Weldability: Very good
- Formability: Good
- Corrosion Resistance: Perfect
- Heat Treating: None
Some Well-Known Applications for 5251 O
In marine applications,
In silo bunkers,
As structural components of boats.
SUPPLIED FORMS
- Sheet
- Round/Flat Bar
- Tube/Profile
- Plate
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