{"id":951,"count":353,"description":"<h2>90 degree seamless elbows \u2013 what are they?<\/h2>\r\n<strong>90 degree seamless elbows<\/strong> (commonly: 90\u00b0 elbow, 90-degree elbows) are prefabricated piping components used to change the direction of flow by 90\u00b0. \"Seamless\" means that the component is made from a single piece of material, without any longitudinal or circumferential welds within the bend. This construction provides a smooth internal surface and advantageous properties when working under pressure and during large temperature fluctuations.\r\n<h3>Where are 90\u00b0 seamless elbows used?<\/h3>\r\n<strong>90 degree seamless elbows<\/strong> are used in a wide range of piping systems \u2013 from simple heating and ventilation systems to industrial installations and specialized applications. Typical areas of use include:\r\n<ul>\r\n \t<li>construction and sanitary installations (central heating, domestic hot water),<\/li>\r\n \t<li>food and pharmaceutical industry (where smoothness and lack of contaminants are vital),<\/li>\r\n \t<li>chemical and petrochemical industry (pipelines transporting corrosive media),<\/li>\r\n \t<li>boiler rooms, furnaces, and high-temperature installations (using heat-resistant grades),<\/li>\r\n \t<li>offshore and shipyards (marine installations),<\/li>\r\n \t<li>automotive and workshops (exhaust and intake systems),<\/li>\r\n \t<li>small garage projects and DIY installations \u2013 wherever durable piping components are required.<\/li>\r\n<\/ul>\r\n<h3>What types of steel do we offer?<\/h3>\r\nIn our offer, you will find <strong>seamless elbows<\/strong> made exclusively of corrosion- and high-temperature-resistant steels. We use commonly applied grades, described using both colloquial and technical designations:\r\n<ul>\r\n \t<li><strong>Stainless steel (INOX)<\/strong>\u2013 examples: AISI 304 (EN 1.4301). Universal for general applications, resistant to corrosion in many conditions.<\/li>\r\n \t<li><strong>Acid-resistant steel<\/strong>\u2013 examples: AISI 316L (EN 1.4404). Highly resistant to chlorides and aggressive chemical environments \u2013 often chosen for the food, chemical, and marine industries.<\/li>\r\n \t<li><strong>Heat-resistant steel<\/strong>\u2013 grades designed for high-temperature operation (e.g., AISI 310\/310S). Used where resistance to oxidation and long-term exposure to high temperatures is required.<\/li>\r\n<\/ul>\r\nIn the product specifications in our shop, we provide designations in both the American (AISI\/ASTM) and European (EN) systems, making it easier to choose the right grade for your needs.\r\n<h3>What to look for when choosing a 90\u00b0 elbow?<\/h3>\r\nWhen selecting <strong>90 degree seamless elbows<\/strong>, it is worth paying attention to several key parameters:\r\n<ul>\r\n \t<li><strong>Steel grade<\/strong>\u2013 match the material to the medium (water, steam, chemicals) and working conditions (temperature, corrosive environment).<\/li>\r\n \t<li><strong>Nominal diameter (DN)<\/strong>\u2013 elbows must match the other elements of the installation; our offer includes diameters from DN15 (\u224821.30 mm) to DN300 (\u2248323.90 mm).<\/li>\r\n \t<li><strong>Bending radius<\/strong>\u2013 short radius (SR, R\u22481D) or long radius (LR, R\u22481.5D); the choice affects pressure drops and the installation layout.<\/li>\r\n \t<li><strong>Wall thickness \/ pressure class<\/strong>\u2013 important for high-pressure installations; check the PN or corresponding technological designations.<\/li>\r\n \t<li><strong>Connection type<\/strong>\u2013 seamless elbows are usually installed by butt-welding, but versions with other ends may be available depending on the offer.<\/li>\r\n<\/ul>\r\n<h3>Why choose seamless elbows?<\/h3>\r\nThe main advantages of <strong>90 degree seamless elbows<\/strong> are:\r\n<ul>\r\n \t<li>no internal welds \u2013 lower risk of corrosion at the seams and a smooth internal surface,<\/li>\r\n \t<li>better performance under pressure and temperature changes \u2013 seamless components often exhibit higher structural integrity,<\/li>\r\n \t<li>easier installation and aesthetic finish of the system,<\/li>\r\n \t<li>durability and resistance to mechanical damage depending on the selected steel grade.<\/li>\r\n<\/ul>\r\n<h3>Who are our 90\u00b0 elbows for?<\/h3>\r\nOur offer is addressed to:\r\n<ul>\r\n \t<li>installation and contracting companies,<\/li>\r\n \t<li>industrial plants (food, chemical, petrochemical),<\/li>\r\n \t<li>shipyards and the offshore industry,<\/li>\r\n \t<li>manufacturers of heating and boiler equipment,<\/li>\r\n \t<li>workshops and DIY enthusiasts in need of durable piping solutions.<\/li>\r\n<\/ul>\r\n<h3>How to choose an elbow and where to get help?<\/h3>\r\nIf you are not sure which steel grade or bending radius will be best for your installation, use the filters in the category or contact our technical department. Provide parameters such as: type of medium, maximum temperature and pressure, pipe diameters, and preferred bending radius \u2013 we will help you select the optimal component in terms of safety and durability.\r\n\r\n<strong>90 degree seamless elbows<\/strong> from our shop are a combination of durability, material resistance, and the ability to adapt to various industries \u2013 from simple domestic systems to demanding industrial applications. We invite you to browse the offer and contact us regarding technical specifications.","link":"https:\/\/stalesia.com\/en\/90-seamless-elbows\/","name":"90\u00b0 Seamless Elbows","slug":"90-seamless-elbows","taxonomy":"product_cat","parent":0,"meta":[],"menu_order":0,"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Seamless stainless steel 90\u00b0 elbows - 90\u00b0 Hamburg elbows - Buy now!<\/title>\n<meta name=\"description\" content=\"Looking for seamless stainless steel 90\u00b0 elbows? Check out our offer! 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