{"id":5317,"date":"2026-02-26T09:09:28","date_gmt":"2026-02-26T08:09:28","guid":{"rendered":"https:\/\/www.groupesclavo.fr\/?page_id=5317"},"modified":"2026-05-04T16:49:00","modified_gmt":"2026-05-04T14:49:00","slug":"ferrailleur-a-carros-the-expert-guide-to-metal-buy-back-and-circular-recycling-for-professionals-and-private-individuals-10","status":"publish","type":"page","link":"https:\/\/www.groupesclavo.fr\/en\/ferrailleur-a-carros-the-expert-guide-to-metal-buy-back-and-circular-recycling-for-professionals-and-private-individuals-10\/","title":{"rendered":"Marine stainless steel buy-back in Carros: Reference guide for the valorization of high-performance stainless steels"},"content":{"rendered":"<p>The Alpes-Maritimes department is world-renowned for its yachting industry. From the ports of Monaco and Cannes to Antibes and Saint-Laurent-du-Var, the C\u00f4te d&#8217;Azur coastline boasts one of the highest densities of yachts and pleasure craft in the world. At the heart of this industry, one metal reigns supreme: marine-grade stainless steel, better known by the code <strong>AISI 316L<\/strong>. But what happens to these fittings, tanks and structures at the end of their life cycle? At the Sclavo Eco-Relais in Carros, located at <strong>362 &#8211; 12\u00e8me Rue<\/strong>, we&#8217;ve turned <strong>marine-grade stainless steel<\/strong> into a highly technical specialty.    <\/p>\n<p><strong> <\/strong><\/p>\n<h2><strong>  The science behind Marine stainless steel: Why is 316L unique?<\/strong><\/h2>\n<p>To understand the value of marine stainless steel at our Carros counter, we need to delve into its metallurgy. Standard&#8221; stainless steel (type 304) is an alloy of iron, chromium and nickel. However, faced with the constant aggression of chloride ions present in seawater, 304 develops crevice corrosion.  <\/p>\n<p>This is where 316 stainless steel comes in. Its composition includes a crucial element: <strong>molybdenum<\/strong>. <\/p>\n<ul>\n<li><strong>Precise chemical composition:<\/strong> 316 stainless steel generally contains 16-18% chromium, 10-14% nickel and 2-3% molybdenum.<\/li>\n<li><strong>The &#8220;L&#8221; in 316L<\/strong> stands for &#8220;Low Carbon&#8221;. This low carbon content prevents the precipitation of carbides during welding, ensuring that the part will not rust at the joints. At Carros, we use mass spectrometers (X-ray fluorescence guns) to instantly identify this chemical signature. For a contributor, it&#8217;s a guarantee of being paid for the real value of molybdenum and nickel, whose prices are much higher than those of conventional iron.   <\/li>\n<\/ul>\n<p><strong> <\/strong><\/p>\n<h2><strong>  Nautical deposits: What can be recycled in the ports of the 06?<\/strong><\/h2>\n<p>The C\u00f4te d&#8217;Azur&#8217;s shipyards generate significant tonnages during the refit phases. Here&#8217;s what we buy back every day in Carros: <\/p>\n<ol>\n<li><strong>Heavy fittings:<\/strong> Mooring bitte, fairleads, mechanical winches and stainless steel anchors. These massive pieces represent a considerable weight on the scale. <\/li>\n<li><strong>Deck structures:<\/strong> Balconies, handrails, accommodation ladders and life racks. Often tubular, these parts need to be sorted to ensure they are not &#8220;weighted&#8221; with other materials. <\/li>\n<li><strong>Propulsion systems:<\/strong> high-strength stainless steel propeller shafts, rudders and bearings.<\/li>\n<li><strong>Naval boilermaking:<\/strong> diesel fuel tanks, black water tanks and seawater-cooled exhaust manifolds. The latter are often even more complex alloys (such as Inconel or Duplex), which we also valorize. <\/li>\n<\/ol>\n<p><strong> <\/strong><\/p>\n<h2><strong>The global stainless steel market and its impact on prices in Carros<\/strong><\/h2>\n<p>The buy-back price of stainless steel in Carros is not fixed; it is correlated to the fluctuations of the <strong>London Metal Exchange (LME)<\/strong>. Two major factors influence your profit: <\/p>\n<ul>\n<li><strong>Nickel prices:<\/strong> A major component of stainless steel, nickel is extremely volatile. Geopolitical tensions in production zones (Indonesia, Russia) can push prices up in a matter of hours. <\/li>\n<li><strong>Demand from European steel mills:<\/strong> Recycling stainless steel consumes 70% less energy than producing it from ore. Foundries are therefore major consumers of 316L grade scrap to produce new alloys free of impurities. <\/li>\n<\/ul>\n<p><strong> <\/strong><\/p>\n<h2><strong>  Preparation guide for yachting professionals<\/strong><\/h2>\n<p>To maximize your profitability when you come to the Sclavo Eco-Relais, follow this protocol:<\/p>\n<ol>\n<li><strong>Magnet test:<\/strong> Marine stainless steel is austenitic, so it&#8217;s not magnetic. If your magnet sticks, it&#8217;s not 316L (it&#8217;s either iron or a lower-value ferritic stainless steel). <\/li>\n<li><strong>Metal separation:<\/strong> Remove bronze, brass or aluminum parts often attached to fittings.<\/li>\n<li><strong>Cleaning deposits:<\/strong> Residues of limescale or marine concretions do not prevent redemption, but clean metal facilitates analysis and weighing.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>The Alpes-Maritimes department is world-renowned for its yachting industry. From the ports of Monaco and Cannes to Antibes and Saint-Laurent-du-Var, the C\u00f4te d&#8217;Azur coastline boasts one of the highest [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":136,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-5317","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Buy Stainless Steel Marine in Carros (06) | Guide Expert Nautisme &amp; Prix<\/title>\n<meta name=\"description\" content=\"Become an expert in marine stainless steel recycling. 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