{"id":10795,"date":"2026-11-03T07:36:10","date_gmt":"2026-11-03T07:36:10","guid":{"rendered":"https:\/\/premiumalu.com\/?p=10795"},"modified":"2026-11-03T07:36:13","modified_gmt":"2026-11-03T07:36:13","slug":"6026-t9-aluminum-guide","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/de\/6026-t9-aluminum-guide\/","title":{"rendered":"6026 T9 Aluminium: Zustand, Eigenschaften und Vergleich mit T6, T8"},"content":{"rendered":"<p class=\"wp-block-paragraph\">6026-T9 ist die Temperatur, die anzugeben ist, wenn ein bearbeitetes Teil dem bleibenden Verformen so weit widerstehen muss, wie es diese Legierung zul\u00e4sst, und danach nie mehr gebogen wird. Kaltverfestigung des Stabes nach dem Auslagern bringt die 0,2%-Dehngrenze auf 330 MPa, 30 MPa \u00fcber T6, und l\u00e4sst 4% Bruchdehnung zum Arbeiten \u00fcbrig statt 8%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Festigkeit ist nur die H\u00e4lfte der Entscheidung. Die Fertigungsfolge legt auch fest, in welcher Form jede Temperatur verf\u00fcgbar ist, und eine Temperatur in einer Form, die wir nicht fertigen k\u00f6nnen, ist keine Spezifikation, die Sie vergeben k\u00f6nnen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Was 6026 ist<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/cover-6026-t9.webp\" alt=\"cover-6026-t9\" class=\"wp-image-10793\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/cover-6026-t9.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/cover-6026-t9-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/cover-6026-t9-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/cover-6026-t9-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/cover-6026-t9-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">6026 ist eine 6xxx-Al\u2013Mg\u2013Si-Legierung, die ihre Festigkeit aus der Ausscheidung von Mg\u2082Si w\u00e4hrend der k\u00fcnstlichen Auslagerung gewinnt. Ihr bestimmendes Merkmal ist der Zusatz f\u00fcr freies Zerspanen: Wismut mit 0,50\u20131,50% bricht den Span, w\u00e4hrend Blei auf 0,40% begrenzt ist, statt der Mechanismus zu sein. Das bewahrt die Korrosionsbest\u00e4ndigkeit und das Anodisierverhalten eines gew\u00f6hnlichen 6xxx und f\u00fcgt die Spanbeherrschung einer Automatenlegierung hinzu \u2014 die Rolle, die 6262 und 6012 erf\u00fcllten, wobei Wismut den Span bricht.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Der Kompromiss liegt darin, wo die Legierung angesiedelt ist, nicht darin, was sie leisten kann. Wismut erh\u00f6ht die Festigkeit nicht, daher ist 6026 in erster Linie eine Zerspanungslegierung und erst in zweiter Linie eine Strukturlegierung; wo maximale Festigkeit der Treiber ist, erf\u00fcllen 6082 oder 7075 diese Aufgabe besser. Was ein 6026-Teil in der Praxis entscheidet, ist die Temperatur, denn die Spanne \u00fcber T6, T8, T9 und T6510\/T6511 reicht von 300 bis 330 MPa in der Dehngrenze und von 8% bis 4% in der Bruchdehnung \u2014 weit genug, um zu entscheiden, ob das Teil \u00fcberhaupt umgeformt werden kann.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Chemische Zusammensetzung (EN 573-3)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced.webp\" alt=\"Wie die T-Temperaturen hergestellt werden\" class=\"wp-image-10794\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Wismut ist der gezielte Zusatz; Zinn und Blei liegen an den Verunreinigungsobergrenzen. Diese Unterscheidung ist wichtig, wenn Sie ein Walzwerkszeugnis lesen, denn ein hoher Zinnwert ist ein Kontaminationssignal, kein Vorteil f\u00fcr freies Zerspanen.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Element<\/th><th>6026 (EN 573-3, Gew%)<\/th><th>Was es bewirkt<\/th><\/tr><\/thead><tbody><tr><td>Si<\/td><td>0.60\u20131.40<\/td><td>Bildet Mg\u2082Si mit Mg \u2014 die Festigkeitsquelle<\/td><\/tr><tr><td>Fe<\/td><td>0,70 max.<\/td><td>Verunreinigung; beeinflusst Oberfl\u00e4chenbeschaffenheit und Z\u00e4higkeit<\/td><\/tr><tr><td>Cu<\/td><td>0.20-0.50<\/td><td>Erh\u00f6ht die Festigkeit und h\u00e4rtet die Ausscheidung<\/td><\/tr><tr><td>Mn<\/td><td>0.20\u20131.00<\/td><td>Steuert Gef\u00fcge und Rekristallisation<\/td><\/tr><tr><td>Mg<\/td><td>0.60\u20131.20<\/td><td>Gleicht sich mit Si zu Mg\u2082Si aus<\/td><\/tr><tr><td>Cr<\/td><td>0,30 max.<\/td><td>Verunreinigung in dieser G\u00fcte<\/td><\/tr><tr><td>Zn<\/td><td>0,30 max.<\/td><td>Verunreinigung<\/td><\/tr><tr><td>Ti<\/td><td>0,20 max.<\/td><td>Kornfeinungsmittel<\/td><\/tr><tr><td>Bi<\/td><td>0.50\u20131.50<\/td><td>Zusatz f\u00fcr freies Zerspanen \u2014 bricht den Span<\/td><\/tr><tr><td>Pb<\/td><td>0,40 max.<\/td><td>Restgehalt; die Obergrenze, die die ELV- und RoHS-Ausnahmen zulassen<\/td><\/tr><tr><td>Sn<\/td><td>0,05 max<\/td><td>Verunreinigungsobergrenze, kein Zusatz<\/td><\/tr><tr><td>Andere<\/td><td>0,05 max jeweils, 0,15 max gesamt<\/td><td>\u2014<\/td><\/tr><tr><td>Al<\/td><td>Bilanz<\/td><td>\u2014<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00fcfen Sie drei Zeilen auf dem Zeugnis, bevor Sie eine Schmelze annehmen: Bi innerhalb 0,50\u20131,50%, Sn bei oder unter 0,05% und Pb bei oder unter 0,40%. Eine Schmelze mit Bi unter 0,50% zerspannt lang und spanig; eine mit Sn \u00fcber 0,05% signalisiert Schrottkontamination statt einer Design\u00e4nderung.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wie die T-Temperaturen hergestellt werden<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced.webp\" alt=\"Wie die T-Temperaturen hergestellt werden\" class=\"wp-image-10794\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/How-the-T-Tempers-Are-Produced-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jede ausscheidungsh\u00e4rtbare 6xxx-Temperatur beginnt gleich: Der Block wird l\u00f6sungsgegl\u00fcht, um die Legierungselemente zu l\u00f6sen, abgeschreckt, um sie in \u00fcbers\u00e4ttigter L\u00f6sung einzufangen, und dann ausgelagert, sodass sie als feine Partikel auscheiden. Das Suffix nach T dokumentiert, was um diese Kernsequenz herum geschieht \u2014 und die Reihenfolge von Kaltverformung gegen\u00fcber Auslagerung ist es, was T8 von T9 trennt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T6<\/strong> \u2014 l\u00f6sungsgegl\u00fcht, dann k\u00fcnstlich ausgelagert. Keine Kaltverformung.<\/li>\n\n\n\n<li><strong>T8<\/strong> \u2014 l\u00f6sungsgegl\u00fcht, kaltverformt, dann k\u00fcnstlich ausgelagert. Kaltverformung kommt vor der Auslagerung.<\/li>\n\n\n\n<li><strong>T9<\/strong> \u2014 l\u00f6sungsgegl\u00fcht, k\u00fcnstlich ausgelagert, dann kaltverformt. Kaltverformung ist der letzte Arbeitsgang.<\/li>\n\n\n\n<li><strong>T6510<\/strong> \u2014 T6 gefolgt von Spannungsabbau durch Recken, bleibende Verformung 1\u20133% bei Rundst\u00e4ben, St\u00e4ben, Profilen und Rohren (0,5\u20133% bei gezogenem Rohr), ohne weiteres Richten nach dem Recken.<\/li>\n\n\n\n<li><strong>T6511<\/strong> \u2014 wie T6510, au\u00dfer dass leichtes Richten nach dem Recken zul\u00e4ssig ist, um Ma\u00dftoleranzen einzuhalten.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T9 ist die einzige der f\u00fcnf, die den Stab nach dem Auslagern kaltverformt. Die Auslagerung hat die Ausscheidung bereits eingestellt; das Kaltziehen f\u00fcgt dann Versetzungsverfestigung obendrauf hinzu und legt den Durchmesser im selben Durchgang fest. Ein T9-Stab kommt mit bereits festgelegten Abmessungen und bereits abgebauter Eigenspannung an, weshalb pr\u00e4zisionsgedrehte Teile \u00fcblicherweise in T9 spezifiziert werden \u2014 der Durchmesser, auf den Sie bearbeiten, ist der Durchmesser, den der Stab h\u00e4lt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T8 kehrt diese Reihenfolge um. Die Kaltverformung erfolgt vor der Auslagerung, sodass der Stab in seinem gezogenen Ma\u00df ausgelagert wird, statt nach der Auslagerung gezogen zu werden. Ein T8-Stab erreicht 315 MPa Dehngrenze und 345 MPa Zugfestigkeit bei 4% Bruchdehnung \u2014 mehr Dehngrenze als T6, 15 MPa weniger als T9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6026-T9 in Zahlen<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/Machining-Anodizing-and-Welding.webp\" alt=\"Machining, Anodizing and Welding\" class=\"wp-image-10796\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/Machining-Anodizing-and-Welding.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/Machining-Anodizing-and-Welding-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/Machining-Anodizing-and-Welding-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/Machining-Anodizing-and-Welding-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/Machining-Anodizing-and-Welding-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Die folgenden Mindestwerte stammen aus EN 754-2 f\u00fcr kaltgezogenen Stab und EN 755-2 f\u00fcr Strangpressprodukte. T9 existiert nur als gezogenes Produkt; T6510 und T6511 existieren nur als Strangpressprodukt, und sie tragen dieselbe Festigkeitslinie wie T6 in jedem Gr\u00f6\u00dfenband.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Temperament<\/th><th>Form und Norm<\/th><th>Gr\u00f6\u00dfenbereich<\/th><th>Rm min (MPa)<\/th><th>Rp0,2 min (MPa)<\/th><th>A min (%)<\/th><th>HB (typ.)<\/th><\/tr><\/thead><tbody><tr><td>T6<\/td><td>Gezogener Stab, EN 754-2<\/td><td>D \u2264 80 mm<\/td><td>370<\/td><td>300<\/td><td>8<\/td><td>95<\/td><\/tr><tr><td>T8<\/td><td>Gezogener Stab, EN 754-2<\/td><td>D \u2264 80 mm<\/td><td>345<\/td><td>315<\/td><td>4<\/td><td>95<\/td><\/tr><tr><td>T9<\/td><td>Gezogener Stab, EN 754-2<\/td><td>D \u2264 80 mm<\/td><td>360<\/td><td>330<\/td><td>4<\/td><td>95<\/td><\/tr><tr><td>T6 \/ T6510 \/ T6511<\/td><td>Stranggepresst, EN 755-2<\/td><td>D \u2264 140 mm<\/td><td>370<\/td><td>300<\/td><td>8<\/td><td>95<\/td><\/tr><tr><td>T6 \/ T6510 \/ T6511<\/td><td>Stranggepresst, EN 755-2<\/td><td>140 &lt; D \u2264 200 mm<\/td><td>340<\/td><td>250<\/td><td>8<\/td><td>90<\/td><\/tr><tr><td>T6 \/ T6510 \/ T6511<\/td><td>Stranggepresst, EN 755-2<\/td><td>200 &lt; D \u2264 250 mm<\/td><td>300<\/td><td>200<\/td><td>8<\/td><td>90<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">W\u00e4hlen Sie nach der Dehngrenzen-Spalte, nicht nach der Zugfestigkeits-Spalte. T9 h\u00e4lt die h\u00f6chste Streckgrenze bei 330 MPa, 30 MPa \u00fcber T6, w\u00e4hrend sein Zugfestigkeits-Mindestwert von 360 MPa tats\u00e4chlich 10 MPa <em>unter<\/em> dem von T6 mit 370 liegt \u2014 Kaltverformung an einem ausgelagerten Gef\u00fcge erkauft Widerstand gegen bleibende Verformung und gibt daf\u00fcr Zugfestigkeit und Bruchdehnung auf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die physikalischen Eigenschaften liegen dort, wo ein 6xxx normalerweise liegt; dies sind typische Werte, keine Mindestwerte: Dichte 2,72 g\/cm\u00b3, Elastizit\u00e4tsmodul etwa 69\u201370 GPa, W\u00e4rmeleitf\u00e4higkeit 172 W\/(m\u00b7K), elektrische Leitf\u00e4higkeit rund 26 MS\/m (etwa 44% IACS) und ein W\u00e4rmeausdehnungskoeffizient von 23,4 \u00d7 10\u207b\u2076\/K zwischen 20 und 100 \u00b0C. Die Erstarrung verl\u00e4uft etwa bei 575\u2013650 \u00b0C.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T9 vs. T6 vs. T8 vs. T6510\/T6511<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/T9-vs-T6-vs-T8-vs-T6510T6511.webp\" alt=\"T9 vs T6 vs T8 vs T6510T6511\" class=\"wp-image-10798\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/T9-vs-T6-vs-T8-vs-T6510T6511.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/T9-vs-T6-vs-T8-vs-T6510T6511-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/T9-vs-T6-vs-T8-vs-T6510T6511-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/T9-vs-T6-vs-T8-vs-T6510T6511-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/11\/T9-vs-T6-vs-T8-vs-T6510T6511-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Temperament<\/th><th>Sequenz<\/th><th>Rm min<\/th><th>Rp0,2 min<\/th><th>A min<\/th><th>Spezifizieren, wenn<\/th><\/tr><\/thead><tbody><tr><td>T6<\/td><td>L\u00f6sung + Auslagerung<\/td><td>370<\/td><td>300<\/td><td>8%<\/td><td>You need the best tensile-elongation balance, or the part is extruded rather than drawn<\/td><\/tr><tr><td>T8<\/td><td>Solution + cold work + age<\/td><td>345<\/td><td>315<\/td><td>4%<\/td><td>The bar is already cold drawn and the part needs more proof stress than T6 at the same 4% elongation<\/td><\/tr><tr><td>T9<\/td><td>Solution + age + cold work<\/td><td>360<\/td><td>330<\/td><td>4%<\/td><td>The finished part is cut, not formed, and must hold its set under the highest load the grade allows<\/td><\/tr><tr><td>T6510<\/td><td>T6 + stretch, no re-straightening<\/td><td>370<\/td><td>300<\/td><td>8%<\/td><td>A large extruded section is machined flat or square and residual stress would move it<\/td><\/tr><tr><td>T6511<\/td><td>T6510 + light straightening<\/td><td>370<\/td><td>300<\/td><td>8%<\/td><td>Same as T6510, but the section needs straightening inside standard tolerance after the stretch<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T9<\/strong> is the right call when the part is produced entirely by machining and the design load is carried below the yield point. The 330 MPa proof stress is the highest the alloy offers, and the cold-finished diameter means the bar is already where the tolerance wants it. The cost is 4% elongation: T9 leaves almost no room for a bend, a swage, or a crimp after delivery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T6<\/strong> covers the widest range of work. Its 370 MPa tensile and 8% elongation give room to form or straighten after heat treatment, and it is the temper extruded tube and profile come in. If the part needs any deformation after aging, T6 or one of its stress-relieved versions is the one that can still take it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T8<\/strong> sits between them and is easy to overlook. It is a drawn-bar temper like T9, but with cold work ahead of aging: 315 MPa proof stress and 345 MPa tensile, still at 4% elongation. Specify T8 when the drawing calls for more proof stress than T6 and the part will not be formed \u2014 but T9 is available, it gives 15 MPa more proof stress at the same elongation, so T8 usually loses that comparison on a like-for-like drawing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T6510 and T6511<\/strong> are the stress-relieved versions of T6 and exist only for extruded product. They change residual stress, not the strength line, so the choice between them and T6 is about distortion after machining rather than load capacity. T6510 forbids straightening after the stretch; T6511 allows light straightening to hold tolerance, which is why it appears more often on standard extruded sections.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Shapes and Sizes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The temper usually decides the form. T9 and T8 are drawn-bar tempers; T6510 and T6511 are extruded; T6 exists in both. Where a drawing needs a temper the standard form does not carry, the route changes \u2014 the order does not get refused.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bar and rod<\/strong> \u2014 round 6\u2013400 mm, hex and square 6\u2013200 mm, length 1000\u20136000 mm. T9 is normally a cold-drawn round bar.<\/li>\n\n\n\n<li><strong>Sheet and plate<\/strong> \u2014 0.5\u2013120 mm thick, 1000\u20132600 mm wide, length 1000\u20136000 mm.<\/li>\n\n\n\n<li><strong>Rohr<\/strong> \u2014 outer diameter 10\u2013300 mm, wall 0.5\u201330 mm.<\/li>\n\n\n\n<li><strong>Spule<\/strong> \u2014 supplied on enquiry. Tell us the required temper, width and coil weight and we confirm what the mill can run; coil is not a standing stock form for this grade.<\/li>\n\n\n\n<li><strong>Custom profiles<\/strong> \u2014 extruded to your section drawing (<a href=\"https:\/\/premiumalu.com\/de\/entdecken-sie-masgeschneiderte-profile-aus-stranggepresstem-aluminium\/\">how custom extrusion profiles are produced<\/a> covers the route from drawing to die).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Non-standard sections and sizes are produced to order. Low-MOQ custom runs typically take 10\u201360 days depending on size and processing; what a size outside the standard range changes is the production route and the lead time, not whether we will quote it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Go \/ No-Go<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Go<\/strong> when the part is turned or milled in volume, the enquiry has to clear RoHS or ELV, and 6061-T6 is short on strength while a 2xxx or 7xxx grade would be more than the design needs. The bismuth chip control is what pays for the alloy, and it pays most on automatic lathes running long batches.<\/li>\n\n\n\n<li><strong>Go<\/strong> when the part needs an anodized finish and free-machining behavior at the same time; a leaded free-machining grade dulls that finish and carries its own compliance burden. Note the qualification: 6026 meets ELV and RoHS <strong>under the lead exemption for aluminum alloys<\/strong>, which permits up to 0.40% Pb. It is a low-lead grade, not a zero-lead grade, and the distinction matters if your compliance file treats exemptions differently from substance bans.<\/li>\n\n\n\n<li><strong>No-go<\/strong> when the drawing fixes T9 or T8 on a part that still has to be formed. That is a temper mismatch rather than an alloy limitation \u2014 6026 forms in O and T4, and the drawing changes temper, not grade.<\/li>\n\n\n\n<li><strong>No-go<\/strong> when the service environment needs the seawater performance of a 5xxx alloy, or when 6061 or <a href=\"https:\/\/premiumalu.com\/de\/6063-aluminum-alloy-guide\/\">6063<\/a> already meets the drawing. 6026 costs more than either, and the premium only returns where the free-machining behavior and the compliance position are both being used.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Specifying and Sourcing 6026<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Four lines on the enquiry prevent most wrong deliveries:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Name the standard, not only the alloy.<\/strong> <code>6026-T9 to EN 754-2<\/code> fixes the product form, the size band and the property table; <code>6026-T9<\/code> on its own leaves all three open.<\/li>\n\n\n\n<li><strong>Pair the temper with a form the standard carries.<\/strong> T9 and T8 belong to drawn bar under EN 754-2; T6, T6510 and T6511 belong to extruded product under EN 755-2. Asking for <code>T9 extruded profile<\/code> sends the enquiry back for clarification.<\/li>\n\n\n\n<li><strong>Give the size band, not just the nominal.<\/strong> The EN 755-2 minimums step down at 140 mm and again at 200 mm, so a 210 mm bar is specified against 300 MPa tensile, not 370.<\/li>\n\n\n\n<li><strong>Fordern Sie EN 10204 3.1.<\/strong> That certificate carries the heat&#8217;s actual chemistry and mechanical results, signed at the producing mill, and it is the only document that lets you check Bi, Sn and Pb against the limits above.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Unser <a href=\"https:\/\/premiumalu.com\/de\/produkt\/6026-aluminiumlegierung\/\">6026 Aluminiumlegierung<\/a> page lists the forms and tempers we run, so the size and temper can be checked before you write the enquiry.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Schlussfolgerung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T9 gives 6026 its highest proof stress at 330 MPa and its lowest elongation at 4%, so it suits a part that is machined to final form and loaded below yield, and rules out anything that still has to bend. T6, T8 and T6510\/T6511 trade that yield back for formability or for lower residual stress in large sections.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We draw and supply 6026 in T6, T8, T9, T6510 and T6511 across bar, sheet, tube and custom profiles, with MTC on every order and coil quoted on enquiry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Send your drawing with the standard, temper and size band, and we will confirm the production route and lead time before you commit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H\u00e4ufig gestellte Fragen<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What is 6026 T9 aluminum?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">6026 is a low-lead free-machining 6xxx alloy, and T9 is the temper produced by aging the bar and then cold working it. Because the cold draw is the last step, the bar arrives strengthened and dimensionally finished \u2014 which is why T9 suits precision turned parts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is 6026 T9 stronger than T6?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It depends which strength you mean. T9 reaches a higher 0.2% proof stress, 330 MPa against T6&#8217;s 300, so it resists permanent set better. Its tensile minimum is 360 MPa against T6&#8217;s 370 \u2014 10 MPa lower \u2014 and its elongation drops from 8% to 4%.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can 6026 T9 be welded?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes, by TIG or MIG, but the joint will not hold T9 properties. The heat-affected zone reverts toward the annealed condition, and no post-weld aging treatment restores the T9 structure in this grade. If the finished assembly must carry T9 strength across a weld, change the design to a mechanical joint or pick a temper you can accept losing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Which tempers do you supply, and what is the minimum order?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">We supply bar, sheet, tube and custom profiles in T6, T8, T9, T6510 and T6511. Coil is quoted on enquiry. Round bar runs 6\u2013400 mm and sheet 0.5\u2013120 mm thick.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Non-standard sizes go to low-MOQ custom production, typically 10\u201360 days. Send the drawing, temper and size band for a route and a price.<\/p>","protected":false},"excerpt":{"rendered":"<p>6026-T9 is the temper to specify when a machined part has to resist permanent set as far as this alloy allows, and will never be bent afterwards. Cold working the bar after aging takes the 0.2% proof stress to 330 MPa, 30 MPa above T6, and leaves 4% elongation to work with instead of 8%. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10793,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"6026 T9 Aluminum: Properties and T6\/T6510 Comparison","_seopress_titles_desc":"6026 T9 is the highest-yield temper of this low-lead free-machining 6xxx alloy. See how it compares to T6, T8 and T6510, and the forms we supply.","_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-10795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5000_6000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/posts\/10795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/comments?post=10795"}],"version-history":[{"count":1,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/posts\/10795\/revisions"}],"predecessor-version":[{"id":10799,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/posts\/10795\/revisions\/10799"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/media\/10793"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/media?parent=10795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/categories?post=10795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/tags?post=10795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}