Streaking possible \u2014 specify 5005-AQ for critical finishes<\/td><\/tr>
\ub0b4\uc2dd\uc131<\/td>
Excellent atmospheric and coastal<\/td>
Not for continuous seawater immersion<\/td><\/tr>
Temperature safety<\/td>
Below the 3% Mg threshold \u2014 no 65 \u00b0C SCC ceiling<\/td>
Cold-worked tempers still soften with sustained heat<\/td><\/tr>
\uc131\ud615\uc131<\/td>
Excellent in O; tight bend radii in H32\/H34<\/td>
Ductility falls fast by H36\/H38<\/td><\/tr>
\uc6a9\uc811\uc131<\/td>
Clean TIG\/MIG, no pre- or post-heat, no sensitization risk<\/td>
HAZ reverts toward annealed strength<\/td><\/tr>
\uac00\uacf5<\/td>
Better than 1100\/3003<\/td>
Gummy chips; well behind 6061<\/td><\/tr>
\uc804\ub3c4\ub3c4<\/td>
~201 W\/m\u00b7K, ~52% IACS \u2014 high for 5xxx<\/td>
Both drop in harder tempers<\/td><\/tr>
\ud798<\/td>
Adequate for decorative and light-duty work<\/td>
Ceiling around 200 MPa \/ 51 HB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\uacb0\ub860<\/h2>\n\n\n\n
5005 earns its place on a drawing for one reason: it anodizes better than the alternatives at a price that makes decorative architectural work economical \u2014 while matching 3003 on corrosion resistance and dodging the elevated-temperature sensitization limit that bites higher-magnesium 5xxx grades. Its hardness window is narrow by design (28 HB annealed to 51 HB full hard), and the temper choice is where specs live or die: H32\/H34 for formed parts, H38 only when nothing forms, and 5052 or 6061 the moment load-bearing, immersion service, or machining volume becomes the driver. If the surface is visible and exposed, spend the small premium on 5005-AQ.<\/p>\n\n\n\n
At Linsy Aluminum, we supply 5005 across sheet, coil, plate, bar, tube, and wire in the common tempers, with in-house machining, welding, laser cutting, anodizing, and polishing. Send your drawing and spec \u2014 temper and anodizing requirement included \u2014 and we’ll confirm hardness and finish before you commit.<\/p>\n\n\n\n
It depends entirely on temper, because 5005 is non-heat-treatable and gains hardness only from cold work. Typical Brinell values run 28 HB in the annealed O condition, 36 HB in H32, 41 HB in H34, 46 HB in H36, and 51 HB in H38. Published figures vary somewhat by source and thickness, so treat these as typical and confirm guaranteed values on the MTC.<\/p>\n\n\n\n
No. 5005 cannot be precipitation-hardened; all strength comes from strain hardening, expressed in the H-tempers. It can be annealed \u2014 around 345 \u00b0C followed by slow cooling \u2014 but that softens it rather than strengthening it. If you need heat-treatable strength, 6061 is the usual move.<\/p>\n\n\n\n
Which 5005 temper should I specify?<\/h3>\n\n\n\n
Use O when the part is deeply drawn or severely formed. H32 is the general-purpose choice and the safest default for architectural sheet, with H34 adding strength where some formability can be given up. H36 and H38 deliver maximum strength but elongation drops to around 6%, which rules out most forming. H32 and H34 are preferred for anodized architectural work because the stabilised H3x condition holds its properties.<\/p>\n\n\n\n
Does anodizing make 5005 harder?<\/h3>\n\n\n\n
It hardens the surface, not the metal. The anodic oxide layer is considerably harder than the aluminium substrate, so scratch and wear resistance improve substantially \u2014 but the bulk hardness underneath is unchanged, and a 5005-H34 part still has 41 HB below its coating. Anodizing is the right answer for surface durability and the wrong answer for load-bearing capacity.<\/p>\n\n\n\n
Is 5005 suitable for marine environments?<\/h3>\n\n\n\n
For marine atmosphere, yes \u2014 it performs well in coastal and salt-spray exposure and is widely used for interior boat fittings and coastal architectural parts. For continuous seawater immersion or heavily loaded marine structure, higher-magnesium grades such as 5083 or 5086 are the correct specification. 5005 also has an advantage here: at ~0.8% Mg it sits below the threshold where the 65 \u00b0C sensitization and stress-corrosion-cracking limit applies to grades like 5083 and 5056.<\/p>","protected":false},"excerpt":{"rendered":"
What Is 5005 Aluminum? 5005 is the lean-magnesium end of the 5xxx family, carrying roughly 0.8% magnesium \u2014 well below 5052 (~2.5%) or 5083 (~4.5%). That single number explains almost everything about it. With less magnesium, 5005 trades the high strength of its 5xxx cousins for two things buyers actually specify it for: an excellent […]<\/p>\n","protected":false},"author":1,"featured_media":10590,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"5005 Aluminum Alloy Guide: Properties, Hardness, Composition & Comparisons","_seopress_titles_desc":"How hard is 5005 aluminum? Compare Brinell hardness, tensile and yield strength across O, H32, H34, H36 and H38 tempers, plus anodizing and selection guidance.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[177],"tags":[],"class_list":["post-8646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5000_6000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/posts\/8646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/comments?post=8646"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/posts\/8646\/revisions"}],"predecessor-version":[{"id":10594,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/posts\/8646\/revisions\/10594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/media\/10590"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/media?parent=8646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/categories?post=8646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/tags?post=8646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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