L81 H16 or H26 Sheet
Nameplates, traffic (road) signs, architectural paneling. Welded tubes, chemical industry, irrigation. Offshore applications, welded structures. Pressure vessels, boilermaking.
Very good corrosion resistance to seawater and marine and industrial atmosphere. Very good weldability. Medium to high strength alloy for sheet products slightly lower than 5086. Medium high fatigue strength. Good cold formability.
|Chemical Element||% Present|
|Others (Total)||0.0 - 0.15|
|Titanium (Ti)||0.0 - 0.15|
|Iron (Fe)||0.0 - 0.50|
|Chromium (Cr)||0.0 - 0.15|
|Copper (Cu)||0.0 - 0.15|
|Zinc (Zn)||0.0 - 0.15|
|Manganese (Mn)||0.10 - 0.50|
|Magnesium (Mg)||1.70 - 2.40|
|Other (Each)||0.0 - 0.05|
|Silicon (Si)||0.0 - 0.40|
Aluminium alloy BS L81 - 5251 is covered by standard BS EN 3L81 (1985)
Generic Physical Properties
|Melting Point||650 °C|
|Thermal Expansion||23.6 x10^-6 /K|
|Modulus of Elasticity||70.0 GPa|
|Thermal Conductivity||149 W/m.K|
|Electrical Resistivity||37.5 % IACS|
Sheet - 0.4mm to 0.8mm
|Tensile Strength||225 Min - 275 Max N/mm2|
|0.2% Proof Stress||175 Min N/mm2|
|Elongation A50 mm||3 Min %|
This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.
Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.
The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed & online) and manufacturers’ data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.
Material supplied by the Company may vary significantly from this data, but will conform to all relevant and applicable standards.
As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied.
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