{"id":513,"date":"2026-09-24T22:36:36","date_gmt":"2026-09-24T14:36:36","guid":{"rendered":"https:\/\/ruhaimaterial.com\/product\/sunflower-aluminum-heatsink\/"},"modified":"2026-09-29T21:52:44","modified_gmt":"2026-09-29T13:52:44","slug":"sunflower-aluminum-heatsink","status":"publish","type":"product","link":"https:\/\/ruhaimaterial.com\/zh_CN\/product\/sunflower-aluminum-heatsink\/","title":{"rendered":"Sunflower Aluminum Heatsink | Radial Fin Extrusion for LED"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Product Overview<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Sunflower aluminum heatsink<\/strong> is an extruded round profile with radial fins spreading from a center bore \u2014 360-degree cooling in a compact cylindrical form for LED lamps, drivers and small motors.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" class=\"wp-image-486\" src=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink.jpg\" alt=\"sunflower aluminum heatsink with radial fins\" srcset=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink.jpg 800w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink-300x300.jpg 300w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink-150x150.jpg 150w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink-768x768.jpg 768w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink-12x12.jpg 12w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink-600x600.jpg 600w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-aluminum-heatsink-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Extruded in 6063 alloy with excellent thermal conductivity, the profile is cut to length, machined and finished (natural, black anodized) in our factory. Custom die designs are available from your drawings.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Key Features<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>360\u00b0 cooling<\/strong> \u2014 radial fins cool from every direction<\/li>\r\n\r\n\r\n\r\n<li><strong>Center bore<\/strong> \u2014 fits cables, LED modules or shafts<\/li>\r\n\r\n\r\n\r\n<li><strong>6063 alloy<\/strong> \u2014 thermal conductivity ~200 W\/mK<\/li>\r\n\r\n\r\n\r\n<li><strong>Cut to length<\/strong> \u2014 any length with CNC machining options<\/li>\r\n\r\n\r\n\r\n<li><strong>Custom dies<\/strong> \u2014 new profiles from drawing in 10-15 days<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Application Scenarios<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Sunflower heatsinks cool cylindrical electronics:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>LED high-bay &amp; street lights<\/strong> \u2014 driver and lamp head cooling<\/li>\r\n\r\n\r\n\r\n<li><strong>Power supplies<\/strong> \u2014 compact convection cooling<\/li>\r\n\r\n\r\n\r\n<li><strong>Electric motors<\/strong> \u2014 cylindrical housing cooling<\/li>\r\n\r\n\r\n\r\n<li><strong>Audio amplifiers<\/strong> \u2014 passive cooling for Class-D stages<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"800\" height=\"800\" class=\"wp-image-487\" src=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view.jpg\" alt=\"LED high-bay &amp; street lights application example\" srcset=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view.jpg 800w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view-300x300.jpg 300w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view-150x150.jpg 150w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view-768x768.jpg 768w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view-12x12.jpg 12w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view-600x600.jpg 600w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/sunflower-heatsink-profile-top-view-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Configuration Options<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Alloy<\/strong> \u2014 6063-T5<\/li>\r\n\r\n\r\n\r\n<li><strong>Outer diameter<\/strong> \u2014 50-300 mm by die<\/li>\r\n\r\n\r\n\r\n<li><strong>Fin tip<\/strong> \u2014 0.8-1.5 mm<\/li>\r\n\r\n\r\n\r\n<li><strong>Finish<\/strong> \u2014 natural \/ black anodized<\/li>\r\n\r\n\r\n\r\n<li><strong>Machining<\/strong> \u2014 drilling, tapping, CNC facing<\/li>\r\n\r\n\r\n\r\n<li><strong>Length<\/strong> \u2014 cut to spec<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Product Specifications<\/h2>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Alloy<\/td>\r\n<td>6063-T5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Conductivity<\/td>\r\n<td>~200 W\/mK<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>OD range<\/td>\r\n<td>50-300 mm<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Finish<\/td>\r\n<td>anodized 8-15 um<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Tolerance<\/td>\r\n<td>GB\/T 6892 high precision<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Certificates<\/td>\r\n<td>ISO 9001 \/ SGS<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">All products are manufactured in our ISO 9001 certified factory and carry CE \/ SGS certification. Custom requirements are welcome.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Quality Certifications<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Ruhai Material is <strong>ISO 9001<\/strong> certified and ships products compliant with <strong>CE<\/strong> and <strong>SGS<\/strong> requirements worldwide. Material certificates and test reports are available with each shipment.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">What is the MOQ?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">MOQ is 200 kg per profile; samples from stock dies ship fast.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Can you make my own profile?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Yes, send a drawing or sample; new die lead time is 10-15 days with die cost credited on volume.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">What is the lead time?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">7-15 working days for stock dies; 15-25 days for new dies.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Do you machine the parts?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Yes, CNC drilling, tapping and facing are available.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Which finish is better for cooling?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Black anodized radiates about 5-10% better than mill finish; we advise per your application.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Request a Quote<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Send us your specifications, quantity and target port \u2014 our sales team replies within 24 hours with a detailed quotation. <a href=\"\/contact-us\/#inquiry\">Send an inquiry now<\/a>.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\r\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/contact-us\/#inquiry\">Get a Free Quote<\/a><\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ruhai sunflower aluminum heatsink extrudes radial fins around a center bore for LED lamps, drivers and motors. OD 50-300 mm, 6063 alloy, cut to length. MOQ: 200 kg.<\/p>","protected":false},"featured_media":486,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"rank_math_title":"Sunflower Aluminum Heatsink | Radial Fin Extrusion","rank_math_description":"Sunflower aluminum heatsink with radial cooling fins for LED drivers and power supplies. 6063 alloy, natural\/anodized, OD 50-300 mm. ISO 9001 factory. Request a quote.","rank_math_focus_keyword":"sunflower aluminum heatsink"},"product_brand":[],"product_cat":[45],"product_tag":[],"class_list":["post-513","product","type-product","status-publish","has-post-thumbnail","product_cat-aluminum-radiators","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product\/513","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/comments?post=513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/media\/486"}],"wp:attachment":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/media?parent=513"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product_brand?post=513"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product_cat?post=513"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product_tag?post=513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}