![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/02-5456-material-positioning.jpg\")
<\/figure>\n\n\n\nA\u015fa\u011f\u0131daki s\u0131n\u0131rlar, sac ve plaka i\u00e7in ASTM B209'a g\u00f6redir. Titanyum de\u011feri kom\u015fu kaliteler aras\u0131nda farkl\u0131l\u0131k g\u00f6sterir: 5456 maksimum 0,20'ye izin verirken, 5056 yaln\u0131zca maksimum 0,15'e izin verir; bu nedenle bu iki de\u011fer birbirinden kopyalanmamal\u0131d\u0131r.<\/p>\n\n\n\n Sat\u0131n alma sipari\u015finde iki kalem dikkat gerektirir. Bu seviyedeki magnezyum, 5456'y\u0131 5083'\u00fcn \u00fczerine ta\u015f\u0131yan mukavemeti sa\u011flayan unsurdur; bu nedenle magnezyumun aral\u0131\u011f\u0131n alt s\u0131n\u0131r\u0131na yak\u0131n oldu\u011funu g\u00f6steren bir sertifika, mukavemet avantaj\u0131n\u0131n ne kadar\u0131n\u0131n korundu\u011fu sorusunu g\u00fcndeme getirmelidir. Bak\u0131r %0,10 ile s\u0131n\u0131rland\u0131r\u0131lm\u0131\u015ft\u0131r \u00e7\u00fcnk\u00fc bak\u0131r do\u011frudan deniz suyu korozyon performans\u0131na kar\u015f\u0131 \u00e7al\u0131\u015f\u0131r.<\/p>\n\n\n\n A\u015fa\u011f\u0131daki tipik de\u011ferler, haddelenmi\u015f \u00fcr\u00fcnler i\u00e7in ASM ve Aluminum Association verilerinden al\u0131nm\u0131\u015ft\u0131r. Kar\u015f\u0131la\u015ft\u0131rma ve erken tasar\u0131m \u00e7al\u0131\u015fmalar\u0131 i\u00e7in faydal\u0131d\u0131rlar; ancak garanti edilen de\u011ferler ilgili spesifikasyona ve kal\u0131nl\u0131\u011fa g\u00f6re belirlenir ve fiilen teslim edilen malzemeyi fabrika test sertifikas\u0131 belirler.<\/p>\n\n\n\n ASTM B928 kapsam\u0131ndaki her \u015fey i\u00e7in ba\u011flay\u0131c\u0131 say\u0131, tipik de\u011fer de\u011fil, kod minimumudur:<\/p>\n\n\n\n Burada en \u00f6nemli sat\u0131r ilkidir. 5083-H116 ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, 5456-H116 ayn\u0131 kod minimumunda yakla\u015f\u0131k 40 MPa daha fazla \u00e7ekme mukavemeti ve yakla\u015f\u0131k 15 MPa daha fazla akma mukavemeti sa\u011flar; \u00e7ok daha yayg\u0131n olarak stoklanan 5083 yerine bunun se\u00e7ilmesinin t\u00fcm ticari gerek\u00e7esi budur.<\/p>\n\n\n\n Sensitizasyon, 5456'n\u0131n nas\u0131l spesifiye edilebilece\u011fini belirleyen ar\u0131za modudur. Yakla\u015f\u0131k %3 magnezyumun \u00fczerinde, 65 \u00b0C ve \u00fczeri aral\u0131kta uzun s\u00fcreli maruz kalma, \u00e7\u00f6z\u00fcnm\u00fc\u015f magnezyumu kat\u0131 \u00e7\u00f6zeltiden d\u0131\u015far\u0131 s\u00fcrerek tane s\u0131n\u0131rlar\u0131 boyunca beta-faz\u0131 par\u00e7ac\u0131klar\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Bu par\u00e7ac\u0131klar bir kez ba\u011flant\u0131l\u0131 bir a\u011f olu\u015fturdu\u011funda, ala\u015f\u0131m taneler aras\u0131 korozyona, eksfoliasyon korozyonuna ve gerilme korozyonlu \u00e7atlamaya kar\u015f\u0131 savunmas\u0131z hale gelir \u2014 bunlar\u0131n t\u00fcm\u00fc i\u00e7eride ilerler ve g\u00f6rsel muayeneyle kolayca g\u00f6zden ka\u00e7ar.<\/p>\n\n\n\n 5456, \u0131s\u0131l i\u015flemle bundan muaf tutulamaz. Is\u0131l i\u015flemle sertle\u015ftirilemeyen bir ala\u015f\u0131md\u0131r ve yerle\u015fmi\u015f bir tane s\u0131n\u0131r\u0131 a\u011f\u0131n\u0131 \u00e7\u00f6zen bir ya\u015fland\u0131rma \u00e7evrimi yoktur. Sensitizasyon bir kez olu\u015ftu\u011funda, durum kal\u0131c\u0131d\u0131r.<\/p>\n\n\n\n H116 ve H321 \u00f6zellikle bu mekanizmay\u0131 geciktirmek i\u00e7in vard\u0131r. Her ikisi de, beta-faz\u0131 par\u00e7ac\u0131klar\u0131n\u0131 taneler aras\u0131nda s\u00fcrekli bir film yerine tanelerin i\u00e7inde ince, da\u011f\u0131lm\u0131\u015f bir da\u011f\u0131l\u0131ma s\u00fcren stabilize edici bir \u0131s\u0131l i\u015flem g\u00f6ren deformasyonla sertle\u015ftirilmi\u015f ko\u015fullard\u0131r. ASTM B928 daha sonra sonucu do\u011frular: H116 ve H321 plaka, PB'den daha k\u00f6t\u00fc olmayan bir derecelendirmede eksfoliasyon korozyon testini ve 15 mg\/cm\u00b2'lik bir taneler aras\u0131 korozyon k\u00fctle kayb\u0131 s\u0131n\u0131r\u0131n\u0131 ge\u00e7melidir.<\/p>\n\n\n\n Pratik kural basittir: par\u00e7a deniz suyuyla temas ediyorsa ve y\u0131llarca yerinde kal\u0131yorsa, temper sat\u0131r\u0131 H116 veya H321 okumal\u0131d\u0131r. Ayn\u0131 par\u00e7a i\u00e7in H112 teklif eden bir fiyat teklifi daha ucuzdur \u00e7\u00fcnk\u00fc korozyon kalifikasyonu ta\u015f\u0131maz, metalin farkl\u0131 olmas\u0131ndan de\u011fil.<\/p>\n\n\n\n Bu iki iletkenlik de\u011feri \u00e7o\u011fu tasar\u0131mc\u0131n\u0131n bekledi\u011finden d\u00fc\u015f\u00fckt\u00fcr ve do\u011frudan magnezyum i\u00e7eri\u011finden kaynaklan\u0131r. Kat\u0131 \u00e7\u00f6zeltideki her magnezyum y\u00fczdesi elektronlar\u0131 ve fononlar\u0131 sa\u00e7t\u0131\u011f\u0131ndan, yakla\u015f\u0131k IACS ve 120 W\/m\u00b7K de\u011ferlerindeki 5456, IACS ve 138 W\/m\u00b7K civar\u0131ndaki 5052'nin olduk\u00e7a alt\u0131nda kal\u0131r. Par\u00e7ay\u0131 iletken veya \u0131s\u0131 yay\u0131c\u0131 olarak kullanan her uygulama, kimyan\u0131n aleyhine \u00e7al\u0131\u015f\u0131r.<\/p>\n\n\n\n Deniz suyunda ve deniz atmosferlerinde 5456 iyi performans g\u00f6sterir \u2014 yeter ki temper durumu korozyon kalifikasyonunu ta\u015f\u0131s\u0131n. Kendili\u011finden olu\u015fan oksit filmi, magnezyum ve krom i\u00e7eri\u011fiyle stabilize edilir; bu, klor\u00fcr sald\u0131r\u0131s\u0131n\u0131 yava\u015flat\u0131r ve \u00e7ukurla\u015fmay\u0131 s\u0131\u011f tutar. Pratikte bu, boyal\u0131 \u00e7eli\u011fe k\u0131yasla daha d\u00fc\u015f\u00fck tersane bak\u0131m\u0131 ve g\u00f6vde kaplamas\u0131nda uzun bir hizmet ge\u00e7mi\u015fi anlam\u0131na gelir.<\/p>\n\n\n\n \u00dc\u00e7 ko\u015ful bu tabloyu de\u011fi\u015ftirir:<\/p>\n\n\n\n Kaynak.<\/strong> 5456 welds well by MIG and TIG, but joint design cannot use parent-metal properties. Because the alloy is non-heat-treatable, the heat-affected zone is annealed back toward the O condition and stays there \u2014 no post-weld treatment restores it. Weld-metal properties from an ER5556 deposit on 5083 or 5456 base plate run about 280\u2013310 MPa tensile and 130\u2013165 MPa yield, against 255 MPa yield for H116 parent metal. That is roughly a 35\u201345% drop in yield near the joint, and AWS D1.2 allowable stresses already assume this, so design to the annealed HAZ value rather than the temper purchased.<\/p>\n\n\n\n \u015eekillendirme.<\/strong> Formability follows the temper. O and H111 handle heavy bending and drawing; H116 and H321 will take moderate forming but bend radii must be opened up relative to what a shop accustomed to 5052 would expect. Cold-forming H321 plate hard and then putting it into service invites both cracking and higher residual stress, which feeds directly into the SCC mechanism above.<\/p>\n\n\n\n \u0130\u015fleme.<\/strong> 5456 machines acceptably but is gummier than the heat-treatable alloys, so chip evacuation and sharp tooling matter more than spindle power. Chip control improves with higher rake angles and positive cutting geometry.<\/p>\n\n\n\n Y\u00fczey i\u015fleme.<\/strong> Like all 5xxx alloys, 5456 anodizes to a muted grey rather than a bright finish, and it will not colour-match a 6063 extrusion. If appearance is a criterion, specify that requirement before the order is placed rather than discovering it at assembly.<\/p>\n\n\n\n Reading down the magnesium column explains almost everything about how these four behave. Higher magnesium buys strength and costs temperature capability: the two high-magnesium grades carry the 65 \u00b0C restriction, while 5052 at 2.2\u20132.8% does not. Availability runs the other way \u2014 5083 is stocked almost everywhere, and 5456 is a special order at many service centres, which is reflected in both price and lead time.<\/p>\n\n\n\n The entries below answer whether to use the alloy. Applications are covered separately in the next section \u2014 this section covers the decision, that one covers the destinations.<\/p>\n\n\n\n Go \u2014 5456 fits when:<\/strong><\/p>\n\n\n\n No-Go \u2014 choose something else when:<\/strong><\/p>\n\n\n\n Denizcilik ve gemi in\u015faat\u0131.<\/strong> Hull plating, decks, bulkheads, and superstructures on patrol boats, workboats, and high-speed craft are the core application set. 5456 earns its place where weight reduction is worth paying for, since the strength margin over 5083 lets a hull designer remove thickness rather than add it.<\/p>\n\n\n\n Defence and protective structures.<\/strong> Armor plate for military vehicles, military bridging components, and blast-resistant assemblies use 5456 for energy absorption combined with ballistic performance. MIL-DTL-46027 is one specification covering this territory, and it carries its own temper and testing requirements beyond the commercial standards.<\/p>\n\n\n\n Pressure vessels and heavy welded fabrications.<\/strong> 5456 appears in storage tanks, pressure vessels, and large transportation frames where welded joint integrity governs the design. Joint efficiency must always be calculated from the annealed HAZ properties, not from H116 parent-metal figures.<\/p>\n\n\n\n Cryogenic and offshore service.<\/strong> Unlike carbon steel, 5xxx alloys do not suffer a ductile-to-brittle transition as temperature falls, and both strength and elongation improve. That makes 5456 usable for cryogenic tanks and for offshore structures exposed to cold climates.<\/p>\n\n\n\n A 5456 enquiry that carries the following items will come back priced correctly the first time. One that does not will return a cheaper quote for material that will not pass inspection:<\/p>\n\n\n\n Linsy supplies 5456 in plate, sheet, bar, tube, and extruded profiles, most commonly in O, H111, H112, H116, and H321 temper. Typical plate-range supply runs from 6 mm up to 120 mm thick, with sheet and coil down to about 0.5 mm; other sizes can be discussed against the order specification. Every shipment leaves with a mill test certificate documenting composition and mechanical properties, and third-party SGS reports \u2014 including chemical, mechanical, ultrasonic, and dimensional \u2014 can be arranged on request. Production runs under ISO 9001, ISO 14001, and ISO 45001 systems.<\/p>\n\n\n\n Custom sizes for non-stock items typically run 10\u201360 days depending on alloy, dimensions, processing, and order complexity, and low-MOQ custom production is available. In-house support covers CNC machining, MIG and TIG welding, laser cutting, and surface finishing including anodizing and polishing.<\/p>\n\n\n\n 5456 buys roughly 40 MPa of additional strength over 5083-H116 at the same code minimum, and it charges for that with two hard conditions: the temper must be H116 or H321 for anything touching seawater, and the structure must stay below about 65 \u00b0C or move to 5454. Those two rules are where 5456 projects go wrong, and neither appears in a datasheet handed over at quotation stage.<\/p>\n\n\n\n Linsy Aluminum works with exactly that boundary. We supply 5456 across plate, sheet, bar, tube, and profiles in O, H111, H112, H116, and H321, with the mill test certificate issued for every order and optional SGS reports where a project requires third-party verification. If there is any doubt about whether the service temperature or the temper is right for a design, send the drawing and the operating conditions \u2014 we will confirm which specification actually needs to appear on the purchase order before it is placed.<\/p>\n\n\n\n Yes, by a useful margin at the code minimum. ASTM B928 sets 5456-H116 at 315 MPa tensile and 230 MPa yield against 275 MPa and 215 MPa for 5083-H116, so the difference is about 40 MPa tensile and 15 MPa yield in the same thickness range. The trade-off is supply: 5083 is stocked far more widely, and its marine service record is documented across more vessels.<\/p>\n\n\n\n Above about 3% magnesium, extended exposure around 65 \u00b0C and above pulls dissolved magnesium out of solution and precipitates beta phase along grain boundaries. That creates an anodic path between grains, opening the door to intergranular corrosion, exfoliation, and stress corrosion cracking. Because 5456 cannot be heat treated, the condition cannot be reversed once it develops. Parts near engines, heated tanks, or exhaust runs are the usual offenders, and 5454 is the standard substitute in those zones.<\/p>\n\n\n\n H116 or H321, stated with ASTM B928. Both receive a stabilising treatment that disperses beta-phase particles inside the grains rather than letting them form a continuous film at the boundaries, and B928 verifies the outcome with an exfoliation test at PB or better and an intergranular mass-loss limit of 15 mg\/cm\u00b2. H112 sits outside that qualification and is not a substitute in saltwater contact.<\/p>\n\n\n\n The heat-affected zone anneals back toward the O condition and stays there, since no post-weld heat treatment restores strain hardening. An ER5556 deposit on 5456 base plate typically gives 280\u2013310 MPa tensile and 130\u2013165 MPa yield, against about 255 MPa yield for H116 parent metal \u2014 a 35\u201345% reduction near the weld. AWS D1.2 allowable stresses already assume this, so joints must be designed to annealed HAZ values rather than the specified temper.<\/p>\n\n\n\n Yes, but it does not produce the finish most people expect. Like all 5xxx alloys it anodizes to a muted grey rather than a bright surface, and it will not colour-match a 6063 extrusion. Where appearance matters, that needs to be agreed before ordering, or captured through paint and coating instead.<\/p>","protected":false},"excerpt":{"rendered":" What Is 5456 Aluminum? 5456 is a wrought aluminum-magnesium alloy in the 5xxx series, with 4.7\u20135.5% magnesium replacing solid-solution strengthening where heat treatment would otherwise go. It is non-heat-treatable, so every extra megapascal comes from strain hardening and alloy content rather than from a quench-and-age cycle. Manganese adds toughness and chromium controls grain structure, which […]<\/p>\n","protected":false},"author":1,"featured_media":10613,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"5456 Aluminum: Properties, Tempers, and Marine Applications","_seopress_titles_desc":"A practical 5456 aluminum guide: mechanical properties by temper, why H116 and H321 matter for seawater, welding filler choice, and comparisons with 5083.","_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-8859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5000_6000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts\/8859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/comments?post=8859"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts\/8859\/revisions"}],"predecessor-version":[{"id":10619,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts\/8859\/revisions\/10619"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/media\/10613"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/media?parent=8859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/categories?post=8859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/tags?post=8859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Element<\/th> Bile\u015fim (a\u011f\u0131rl\u0131k\u00e7a %)<\/th><\/tr><\/thead> Silisyum (Si)<\/td> 0,25 maks.<\/td><\/tr> Demir (Fe)<\/td> 0,40 maks<\/td><\/tr> Bak\u0131r (Cu)<\/td> 0,10 maks.<\/td><\/tr> Manganez (Mn)<\/td> 0.50\u20131.00<\/td><\/tr> Magnezyum (Mg)<\/td> 4.7\u20135.5<\/td><\/tr> Krom (Cr)<\/td> 0.05\u20130.20<\/td><\/tr> \u00c7inko (Zn)<\/td> 0,25 maks.<\/td><\/tr> Titanyum (Ti)<\/td> 0,20 maks.<\/td><\/tr> Di\u011ferleri, her biri<\/td> 0,05 maks.<\/td><\/tr> Di\u011ferleri, toplam<\/td> 0,15 maks.<\/td><\/tr> Al\u00fcminyum (Al)<\/td> Denge<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Temper Durumuna G\u00f6re 5456 Mekanik \u00d6zellikleri<\/h2>\n\n\n\n
Temper<\/th> \u00c7ekme Dayan\u0131m\u0131 (MPa)<\/th> Akma Dayan\u0131m\u0131 (MPa)<\/th> Uzama (%)<\/th> Tipik Sertlik (HB)<\/th><\/tr><\/thead> O (tavlanm\u0131\u015f)<\/td> 310<\/td> 159<\/td> 24<\/td> \u2014<\/td><\/tr> H111<\/td> 310<\/td> 180<\/td> 14<\/td> \u2014<\/td><\/tr> H112<\/td> 310<\/td> 166<\/td> 22<\/td> \u2014<\/td><\/tr> H116 \/ H321<\/td> 350<\/td> 255<\/td> 12<\/td> 90<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n ![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/03-5456-vs-5083-strength.jpg\")
<\/figure>\n\n\n\nTemper<\/th> Kal\u0131nl\u0131k Aral\u0131\u011f\u0131<\/th> \u00c7ekme Mukavemeti, min (MPa)<\/th> Akma Mukavemeti, min (MPa)<\/th> Uzama, min (%)<\/th><\/tr><\/thead> 5456-H116 \/ H321<\/td> 3\u201340 mm<\/td> 315<\/td> 230<\/td> 10<\/td><\/tr> 5083-H116 \/ H321<\/td> 3\u201350 mm<\/td> 275<\/td> 215<\/td> 10<\/td><\/tr> 5086-H116 \/ H321<\/td> 3\u201350 mm<\/td> 240<\/td> 195<\/td> 10<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n H116 ve H321 Neden Vard\u0131r: 65\u00b0C Sensitizasyon S\u0131n\u0131r\u0131<\/h2>\n\n\n\n
![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/04-h116-h321-sensitization.jpg\")
<\/figure>\n\n\n\nDurum<\/th> Pratikte Anlam\u0131<\/th> Tipik Teklif \u0130fadesi<\/th><\/tr><\/thead> H116<\/td> Deformasyonla sertle\u015ftirilmi\u015f, B928 eksfoliasyon ve taneler aras\u0131 s\u0131n\u0131rlar\u0131n\u0131 kar\u015f\u0131layacak \u015fekilde stabilize edilmi\u015f<\/td> Klas kurulu\u015fu onay\u0131n\u0131n gerekli oldu\u011fu yerlerde belirtilir<\/td><\/tr> H321<\/td> Kontroll\u00fc bir so\u011fuk i\u015flem ad\u0131m\u0131yla deformasyonla sertle\u015ftirilmi\u015f ve stabilize edilmi\u015f<\/td> Tan\u0131mlanm\u0131\u015f mekanik minimumlara sahip kaynakl\u0131 yap\u0131lar i\u00e7in belirtilir<\/td><\/tr> H112<\/td> Fabrika i\u015fleminden hafif\u00e7e deformasyonla sertle\u015ftirilmi\u015f, korozyon kalifikasyonu yok<\/td> Genel yap\u0131 i\u00e7in kabul edilebilir, tek ba\u015f\u0131na deniz suyu temas\u0131 i\u00e7in uygun de\u011fil<\/td><\/tr> O<\/td> Tamamen tavlanm\u0131\u015f, maksimum \u015fekillendirilebilirlik<\/td> Zorlu \u015fekillendirme i\u00e7in kullan\u0131l\u0131r, genellikle ard\u0131ndan kaynak yap\u0131l\u0131r<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 5456 Fiziksel \u00d6zellikleri<\/h2>\n\n\n\n
M\u00fclkiyet<\/th> Tipik De\u011fer<\/th><\/tr><\/thead> Yo\u011funluk<\/td> 2,66 g\/cm\u00b3<\/td><\/tr> Erime Aral\u0131\u011f\u0131<\/td> 570\u2013638 \u00b0C<\/td><\/tr> Termal \u0130letkenlik<\/td> 117\u2013127 W\/m\u00b7K<\/td><\/tr> Elektriksel \u0130letkenlik<\/td> ,5\u201329,5 IACS<\/td><\/tr> Elastik Mod\u00fcl<\/td> 69\u201374 GPa<\/td><\/tr> Termal Genle\u015fme Katsay\u0131s\u0131<\/td> 23.9 \u00d7 10-\u2076 \/\u00b0C<\/td><\/tr> Manyetik Tepki<\/td> Manyetik de\u011fil<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Korozyon Direnci ve Deniz Hizmeti<\/h2>\n\n\n\n
![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/05-marine-corrosion-temper.jpg\")
<\/figure>\n\n\n\n\n
5456 ile \u00c7al\u0131\u015fma: \u015eekillendirme, Kaynak ve \u0130\u015fleme<\/h2>\n\n\n\n
Dolgu<\/th> Magnezyum \u0130\u00e7eri\u011fi<\/th> When It Fits<\/th> Watch Out For<\/th><\/tr><\/thead> ER5556<\/td> ~5.0%<\/td> Default for 5456 \u2014 matches the base alloy and carries corrosion performance best<\/td> Limited availability outside marine supply chains<\/td><\/tr> ER5183<\/td> ~4.8%<\/td> Where maximum as-welded strength on the joint matters<\/td> Confirm against the approved procedure<\/td><\/tr> ER5356<\/td> ~4.5%<\/td> General 5xxx fabrication, widely stocked<\/td> Not preferred for sustained service above about 65 \u00b0C<\/td><\/tr> ER4043<\/td> Silicon-bearing<\/td> Avoid on 5456<\/td> Silicon combines with magnesium into brittle Mg\u2082Si and the weld anodizes black<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 5456 vs 5083 vs 5086 vs 5052: How to Choose<\/h2>\n\n\n\n
Alloy and Temper<\/th> Tensile, min (MPa)<\/th> Yield, min (MPa)<\/th> Magnezyum (%)<\/th> Where It Wins<\/th><\/tr><\/thead> 5456-H116<\/td> 315<\/td> 230<\/td> 4.7\u20135.5<\/td> Highest strength of the group in seawater contact<\/td><\/tr> 5083-H116<\/td> 275<\/td> 215<\/td> 4.0\u20134.9<\/td> Broadest availability, best-documented marine record<\/td><\/tr> 5086-H116<\/td> 240<\/td> 195<\/td> 3.5\u20134.5<\/td> Good marine performance at lower cost and better formability<\/td><\/tr> 5052-H32<\/td> 215<\/td> 160<\/td> 2.2\u20132.8<\/td> Forming-heavy sheet work, no sensitization limit<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Go\/No-Go: When to Specify 5456<\/h2>\n\n\n\n
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Where 5456 Is Used<\/h2>\n\n\n\n
Art\u0131lar ve S\u0131n\u0131rlamalar Bir Bak\u0131\u015fta<\/h2>\n\n\n\n
Boyut<\/th> Avantaj<\/th> S\u0131n\u0131rlama<\/th><\/tr><\/thead> G\u00fc\u00e7<\/td> Highest as-fabricated strength of the common 5xxx alloys<\/td> No heat-treat route exists to raise it further<\/td><\/tr> Korozyon<\/td> Excellent seawater performance with H116\/H321 qualification<\/td> Requires that temper; H112 carries no corrosion qualification<\/td><\/tr> S\u0131cakl\u0131k<\/td> Stable in cold service, including cryogenic<\/td> Unusable above roughly 65 \u00b0C because of sensitization<\/td><\/tr> Kaynaklanabilirlik<\/td> Welds cleanly by MIG and TIG with matching filler<\/td> HAZ anneals to O condition with ~35\u201345% yield loss, permanent<\/td><\/tr> Stok Durumu<\/td> Supplied by marine-focused mills and stockists<\/td> Thinner supply chain and longer lead times than 5083<\/td><\/tr> Maliyet<\/td> Justifies itself where strength removes thickness<\/td> Higher per-kilo price and often a customs temper requirement<\/td><\/tr> \u015eekillendirilebilirlik<\/td> Workable in O and H111<\/td> H116\/H321 need wide bend radii and careful cold work<\/td><\/tr> G\u00f6r\u00fcn\u00fc\u015f<\/td> Acceptable with paint or coating<\/td> Anodizes grey, will not bright-match 6063<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Sourcing 5456: What to Specify<\/h2>\n\n\n\n
Specification Item<\/th> What to State<\/th> Why It Changes the Quote<\/th><\/tr><\/thead> Temper<\/td> H116 or H321 for anything touching seawater<\/td> Corrosion-tested plate costs more than H112<\/td><\/tr> Standart<\/td> ASTM B928 for marine, B209 for general product form<\/td> Each carries different test requirements<\/td><\/tr> Thickness range<\/td> Relevant ranges change mechanical minimums<\/td> Minimums drop as thickness increases<\/td><\/tr> Exfoliation \/ IGC test<\/td> Required if the part is contact seawater<\/td> B928 requires \u2264PB and \u226415 mg\/cm\u00b2<\/td><\/tr> certificates<\/td> MTC required; SGS testing if specified by the project<\/td> Traceability is part of the deliverable<\/td><\/tr> Form and size<\/td> Plate, sheet, bar, tube, or profile with dimensions<\/td> Determines mill routing and lead time<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Sonu\u00e7<\/h2>\n\n\n\n
S\u0131k\u00e7a Sorulan Sorular<\/h2>\n\n\n\n
Is 5456 stronger than 5083?<\/h3>\n\n\n\n
Why is 65 \u00b0C the stated limit for 5456?<\/h3>\n\n\n\n
Which temper should be specified for a seawater-facing hull plate?<\/h3>\n\n\n\n
What happens to strength after welding 5456?<\/h3>\n\n\n\n
Can 5456 be anodized?<\/h3>\n\n\n\n