{"id":4384,"date":"2024-06-13T16:57:08","date_gmt":"2024-06-13T08:57:08","guid":{"rendered":"https:\/\/uniasen.com\/?p=4384"},"modified":"2025-08-12T15:13:22","modified_gmt":"2025-08-12T07:13:22","slug":"sch-40-vs-sch-40s","status":"publish","type":"post","link":"https:\/\/uniasen.com\/pt\/blog\/sch-40-vs-sch-40s\/","title":{"rendered":"Diferen\u00e7a entre SCH 40 e SCH 40S"},"content":{"rendered":"<div class=\"row\"  id=\"row-1564735348\">\n\n\t<div id=\"col-465024768\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1137254211\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN.webp\" class=\"attachment-original size-original\" alt=\"Tubo ERW_fornecedor_tubo_de_a\u00e7o_carbono_UNIASEN\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1137254211 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_1137254211 {\n    width: 68%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<p>&nbsp;<\/p>\n<p>Da constru\u00e7\u00e3o ao encanamento, a sele\u00e7\u00e3o do tubo correto faz uma grande diferen\u00e7a. H\u00e1 diferentes tubos com tamanhos e espessuras variadas dispon\u00edveis. No entanto, o SCH 40 vs. SCH 40S tem sido o assunto da cidade. Devido \u00e0 inclus\u00e3o de valores num\u00e9ricos, eles s\u00e3o os menos compreendidos. Muitas vezes, as pessoas tamb\u00e9m comparam <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/pt\/blog\/tubo-de-aco-schedule-20-vs-schedule-40\/\">SCH20 com SCH40<\/a><\/span>, <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/pt\/blog\/diferenca-entre-os-tubos-schedule-40-e-schedule-80\/\">SCH40 vs. SCH80<\/a><\/span>.<\/p>\n<p>Ambos os tubos t\u00eam as mesmas dimens\u00f5es e espessura. No entanto, eles variam em termos de seus materiais de fabrica\u00e7\u00e3o. O SCH 40S \u00e9 considerado superior ao SCH 40. Est\u00e1 se perguntando por qu\u00ea? Leia este artigo at\u00e9 o fim para obter uma resposta detalhada.<\/p>\n<div class=\"row\"  id=\"row-42040663\">\n\n\t<div id=\"col-2034892960\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>O que \u00e9 um Pipe Schedule?<\/h2>\n<p>\u00c9 necess\u00e1rio compreender o pipe schedule para entender as diferen\u00e7as entre SCH 40 e SCH 40S. O SCH usado antes dos n\u00fameros representa a programa\u00e7\u00e3o da tubula\u00e7\u00e3o. Vamos simplificar o termo para melhor compreens\u00e3o.<\/p>\n<p>O cronograma do tubo representado como SCH \u00e9 o padr\u00e3o usado para indicar a espessura da parede. A ASTM (American Society for Testing and Materials, Sociedade Americana de Testes e Materiais) e a ASME (American Society of Mechanical, Sociedade Americana de Mec\u00e2nica) a definem. Ele indica que o SCH 40 e o SCH 40S t\u00eam a mesma espessura e dimens\u00e3o.<\/p>\n<p>Portanto, as programa\u00e7\u00f5es dos tubos medem a espessura da parede de um tubo. Uma programa\u00e7\u00e3o mais alta significa que a parede do tubo \u00e9 mais espessa e vice-versa. Em nosso caso atual, esses tipos de tubos t\u00eam a mesma espessura de parede. Portanto, surge a pergunta: O que significa \"S\" quando escrito SCH 40S? Vamos analisar e entender o significado de S.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1904345687\">\n\n\t<div id=\"col-2031615228\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>O que significa o \"S\" no Pipe Schedule?<\/h2>\n<p>O S escrito ap\u00f3s 40 em SCH 40S representa o a\u00e7o inoxid\u00e1vel. Portanto, esse tubo \u00e9 feito de a\u00e7o inoxid\u00e1vel. Em outras palavras, ele indica o material usado para fabricar o tubo. Portanto, esses tubos t\u00eam as mesmas dimens\u00f5es e espessura, mas diferem no material.<\/p>\n<p>A contraparte, SCH 40, pode ser feita de qualquer material. Isso inclui a\u00e7o carbono e PVC. As caracter\u00edsticas desses tipos de tubos diferem devido ao material usado em sua fabrica\u00e7\u00e3o. Como o a\u00e7o inoxid\u00e1vel \u00e9 um material premium, o SCH 40S \u00e9 uma op\u00e7\u00e3o superior ao seu equivalente.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-2109883448\">\n\n\t<div id=\"col-981843678\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Tubo Sch 40 vs. Sch 40S<\/h2>\n<p><span style=\"font-weight: 400;\">Voc\u00ea entendeu a defini\u00e7\u00e3o b\u00e1sica desses dois tipos na se\u00e7\u00e3o acima. Em resumo, ambos t\u00eam a mesma espessura e dimens\u00e3o de parede. No entanto, eles s\u00e3o diferentes em termos dos materiais que os comp\u00f5em. Vamos nos aprofundar e entender as principais diferen\u00e7as que influenciam seu desempenho.<\/span><\/p>\n<h3>1- Prote\u00e7\u00e3o contra ferrugem<\/h3>\n<p><span style=\"font-weight: 400;\">Na se\u00e7\u00e3o anterior, mencionei que o SCH 40S \u00e9 feito de a\u00e7o inoxid\u00e1vel. Esse material \u00e9 s\u00f3lido e n\u00e3o enferruja. Mesmo que voc\u00ea use esse material em condi\u00e7\u00f5es adversas, ele n\u00e3o se tornar\u00e1 corrosivo. Por esse motivo, os tubos SCH 40S s\u00e3o resistentes \u00e0 corros\u00e3o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Vamos entender a l\u00f3gica por tr\u00e1s de sua resist\u00eancia \u00e0 ferrugem. O a\u00e7o inoxid\u00e1vel \u00e9 composto por 10,5% de cromo. Portanto, quando esse material entra em contato com o oxig\u00eanio, ele forma uma fina camada protetora. Essa camada, conhecida como \u00f3xido de cromo, impede que o oxig\u00eanio e a umidade atinjam a superf\u00edcie do a\u00e7o inoxid\u00e1vel.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Portanto, quando nenhuma umidade atinge a superf\u00edcie, n\u00e3o h\u00e1 corros\u00e3o. O <a href=\"https:\/\/uniasen.com\/pt\/blog\/o-que-e-um-tubo-de-aco-schedule-40\/\">Tubos SCH 40<\/a> tamb\u00e9m s\u00e3o protegidos contra a corros\u00e3o por meio de um revestimento de zinco. No entanto, esse revestimento come\u00e7a a se deteriorar depois de algum tempo. Portanto, esses tubos ficam enferrujados quando o revestimento se esgota. Portanto, o SCH 40s \u00e9 uma op\u00e7\u00e3o melhor.<\/span><\/p>\n<h3>2- Classifica\u00e7\u00f5es de press\u00e3o<\/h3>\n<p><span style=\"font-weight: 400;\">Os tubos SCH 40s feitos de a\u00e7o inoxid\u00e1vel s\u00e3o mais robustos. Embora sua espessura seja a mesma do SCH 40, a qualidade do material \u00e9 muito melhor. Portanto, eles podem suportar facilmente as press\u00f5es mais altas.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Por outro lado, os tubos SCH 40 s\u00e3o relativamente mais finos. Eles n\u00e3o suportam a press\u00e3o extrema. Portanto, a classifica\u00e7\u00e3o de press\u00e3o do SCH 40S \u00e9 uma op\u00e7\u00e3o melhor. Se voc\u00ea precisar de um tubo com melhor capacidade de suporte de press\u00e3o, recomendo usar o SCH 40S.<\/span><\/p>\n<h3>3- Facilidade de instala\u00e7\u00e3o<\/h3>\n<p><span style=\"font-weight: 400;\">O a\u00e7o inoxid\u00e1vel \u00e9 pesado, e seu uso no SCH 40S o torna ainda mais pesado. Por outro lado, os tubos SCH40 s\u00e3o leves e f\u00e1ceis de segurar e transportar. Portanto, seria mais f\u00e1cil instalar o SCH 40 do que o SCH 40S. No entanto, o pesado SCH 40S lhe proporcionar\u00e1 melhor desempenho do que seu equivalente.<\/span><\/p>\n<h3>4- Idade e tempo de vida<\/h3>\n<p><span style=\"font-weight: 400;\">A ferrugem e a corros\u00e3o s\u00e3o os grandes inimigos dos encanamentos. Como esses tubos transportam \u00e1gua e outros fluidos, seu contato cont\u00ednuo com a umidade os torna suscet\u00edveis \u00e0 ferrugem. Portanto, o tubo que for mais resistente \u00e0 ferrugem ter\u00e1 mais idade. Os SCH 40 s\u00e3o resistentes \u00e0 ferrugem. Portanto, ele n\u00e3o ser\u00e1 danificado.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">No entanto, os tubos SCH 40 ficar\u00e3o enferrujados quando o revestimento de zinco se esgotar. No entanto, voc\u00ea pode esperar de 40 a 50 anos de vida \u00fatil desse tubo. Os tubos SCH 40S, por serem mais robustos e \u00e0 prova de ferrugem, podem durar de 70 a 80 anos. Isso torna o SCH 40S um investimento ideal para o longo prazo.<\/span><\/p>\n<h3>5- Pre\u00e7o e acessibilidade<\/h3>\n<p><span style=\"font-weight: 400;\">Esse \u00e9 um dos fatores mais importantes a serem considerados. Devido ao uso de material premium, o SCH 40S \u00e9 mais caro. Voc\u00ea precisar\u00e1 de um bom or\u00e7amento para comprar esses tubos. Por outro lado, os tubos SCH 40 s\u00e3o mais baratos. Entretanto, devido ao melhor desempenho, o pre\u00e7o mais alto do SCH 40S vale cada centavo.<\/span><\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-582497947\">\n\n\t<div id=\"col-198627971\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Perguntas frequentes<\/h2>\n<p><b>Q1: O que significa SCH 40?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">SCH 40 significa tubos com espessura de parede de 40 SCH. Eles s\u00e3o feitos de materiais diferentes do a\u00e7o inoxid\u00e1vel. Eles podem ser de a\u00e7o carbono ou pl\u00e1stico PVC.<\/span><\/p>\n<p><b>Q2: Qual \u00e9 o cronograma para um tubo de a\u00e7o inoxid\u00e1vel 40?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">O tubo de a\u00e7o inoxid\u00e1vel Schedule 40 significa que ele tem uma espessura de Schedule 40. Seu material \u00e9 o a\u00e7o inoxid\u00e1vel. Eles s\u00e3o resistentes \u00e0 ferrugem, fortes e dur\u00e1veis.\u00a0<\/span><\/p>\n<p><b>Q3: Esses dois tubos s\u00e3o de dimens\u00f5es diferentes em cada unidade ou apenas na SCH?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Esses dois tubos, SCH 40 e SCH 40S, t\u00eam a mesma espessura de parede. Eles t\u00eam a medida exata, mesmo no di\u00e2metro externo do tamanho nominal do tubo (NP).<\/span><\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-62821141\">\n\n\t<div id=\"col-1751675694\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Conclus\u00e3o<\/h2>\n<p><span style=\"font-weight: 400;\">Tanto o SCH 40 quanto o 40s s\u00e3o excelentes op\u00e7\u00f5es. Voc\u00ea pode escolher qualquer um deles e obter um desempenho decente. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">No entanto, \u00e9 fundamental entender suas diferen\u00e7as. O SCH 40S \u00e9 uma op\u00e7\u00e3o superior devido \u00e0 sua prote\u00e7\u00e3o ideal contra ferrugem. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Voc\u00ea obter\u00e1 mais idade com eles. Seria um investimento inteligente se voc\u00ea preferir os SCH 40. Somos especializados no fornecimento de tubos de a\u00e7o em diferentes espessuras e graus. <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/pt\/contato\/\">Entre em contato conosco<\/a><\/span> para obter uma cota\u00e7\u00e3o instant\u00e2nea.<\/span><\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>","protected":false},"excerpt":{"rendered":"<p>SCH 40 e SCH 40S s\u00e3o tabelas de tubos que especificam a espessura da parede dos tubos de a\u00e7o. O SCH 40 \u00e9 amplamente utilizado em v\u00e1rios setores por sua espessura padr\u00e3o, enquanto o SCH 40S tem pequenas diferen\u00e7as adaptadas a aplica\u00e7\u00f5es espec\u00edficas. Este artigo esclarece suas defini\u00e7\u00f5es, principais distin\u00e7\u00f5es e usos apropriados, ajudando a fazer escolhas informadas para projetos industriais e de constru\u00e7\u00e3o.<\/p>","protected":false},"author":10,"featured_media":4389,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4384","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Difference Between SCH 40 and SCH 40S - UNIASEN<\/title>\n<meta name=\"description\" content=\"SCH 40 and SCH 40S refer to different pipe schedules. SCH 40 is a common standard for steel pipes, indicating a specific wall thickness. SCH 40S, while similar, has slight variations typically used in specific applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uniasen.com\/pt\/blog\/sch-40-vs-sch-40s\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difference Between SCH 40 and SCH 40S - UNIASEN\" \/>\n<meta property=\"og:description\" content=\"SCH 40 and SCH 40S refer to different pipe schedules. SCH 40 is a common standard for steel pipes, indicating a specific wall thickness. SCH 40S, while similar, has slight variations typically used in specific applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uniasen.com\/pt\/blog\/sch-40-vs-sch-40s\/\" \/>\n<meta property=\"og:site_name\" content=\"UNIASEN\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-13T08:57:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T07:13:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"750\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Fiona\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fiona\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/\"},\"author\":{\"name\":\"Fiona\",\"@id\":\"https:\/\/uniasen.com\/#\/schema\/person\/10cd4f9f6400879e795a1a9e3f1d5f13\"},\"headline\":\"Difference Between SCH 40 and SCH 40S\",\"datePublished\":\"2024-06-13T08:57:08+00:00\",\"dateModified\":\"2025-08-12T07:13:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/\"},\"wordCount\":1068,\"publisher\":{\"@id\":\"https:\/\/uniasen.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN.webp\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/\",\"url\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/\",\"name\":\"Difference Between SCH 40 and SCH 40S - UNIASEN\",\"isPartOf\":{\"@id\":\"https:\/\/uniasen.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/uniasen.com\/blog\/sch-40-vs-sch-40s\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN.webp\",\"datePublished\":\"2024-06-13T08:57:08+00:00\",\"dateModified\":\"2025-08-12T07:13:22+00:00\",\"description\":\"SCH 40 and SCH 40S refer to different pipe schedules. 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