US2017175230A1PendingUtilityA1

Aluminium alloy for use in the building industry

39
Assignee: ALERIS ROLLED PROD GERMANY GMBHPriority: Jul 4, 2014Filed: Jun 12, 2015Published: Jun 22, 2017
Est. expiryJul 4, 2034(~7.9 yrs left)· nominal 20-yr term from priority
Inventors:Steven KirkhamBernd Jacoby
C22C 21/00C22C 21/02B21B 2003/001B21B 3/00
39
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

A method of making from a rolled aluminium alloy sheet a product for outdoor use in the building industry, wherein the aluminium alloy has the following composition, in wt. %: Si 0.6 to 1.6, Mg 0.10 to 0.50, Mn 0.6 to 1.6, Cu 0.10 to 0.6, Fe 0.05 to 0.7, Ti 0.05 to 0.20, Zn up to 0.4, others and unavoidable impurities, each 0.05% max, total 0.25%, balance aluminium. Furthermore, the use of the sheet product for outdoor use in the building industry is disclosed.

Claims

exact text as granted — not AI-modified
1 . A method of making from a rolled aluminium alloy sheet a product for outdoor use in the building industry, signposting, or decoration, comprising:
 folding or roll forming the aluminium alloy sheet into the product, wherein the aluminium alloy has the following composition, in wt. %:
 Si 0.6-1.6 
 Mg 0.20-0.50 
 Mn 0.6-1.6 
 Cu 0.10-0.6 
 Fe 0.05-0.7 
 Ti 0.05-0.20 
 Zn up to 0.4, 
 others and unavoidable impurities, each 0.05% max, total 0.25%, balance aluminium. 
   
     
     
         2 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Mn content is at least 0.70%. 
     
     
         3 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Mn content of at most 1.4%. 
     
     
         4 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Cu-content of at least 0.15%. 
     
     
         5 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Zn-content of at most 0.10%. 
     
     
         6 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Ti-content of at least 0.07%. 
     
     
         7 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Ti content of at most 0.17%. 
     
     
         8 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Mg-content of at least 0.25%. 
     
     
         9 . The method according to  claim 1 , wherein the rolled aluminium alloy has a Si-content of at least 0.90%. 
     
     
         10 . A method according to  claim 1 , wherein the rolled aluminium alloy sheet is devoid of any metallic layers covering substantial parts of said rolled aluminium alloy sheet. 
     
     
         11 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet is provided with an organic coating. 
     
     
         12 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet is provided with a surface structure via sheet metal embossing. 
     
     
         13 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet is in the form of trapezoidal sheet. 
     
     
         14 . The method according to  claim 1 , wherein the product is for outdoor use in the building industry. 
     
     
         15 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet is part of a façade structure or roof structure. 
     
     
         16 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a gauge in the range of 0.2 to 3 mm. 
     
     
         17 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Ti-content of at least 0.08%. 
     
     
         18 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Ti-content of at most 0.15%. 
     
     
         19 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Mn-content of at least 0.75%. 
     
     
         20 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Mn-content of at most 1.2%. 
     
     
         21 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Cu-content of at most 0.5%. 
     
     
         22 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Cu-content of at most 0.4%. 
     
     
         23 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Si-content of at most 1.50%. 
     
     
         24 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Si-content of at most 1.45%. 
     
     
         25 . The method according to  claim 1 , wherein the rolled aluminium alloy sheet has a Fe-content of at most 0.45%.

Join the waitlist — get patent alerts

Track US2017175230A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.