{"id":17218,"date":"2025-10-31T10:05:27","date_gmt":"2025-10-31T02:05:27","guid":{"rendered":"https:\/\/www.dillerbottle.com\/?p=17218"},"modified":"2025-10-30T10:23:34","modified_gmt":"2025-10-30T02:23:34","slug":"como-saber-se-o-aco-inoxidavel","status":"publish","type":"post","link":"https:\/\/www.dillerbottle.com\/pt\/info\/how-to-tell-if-stainless-steel.html","title":{"rendered":"Como saber se o a\u00e7o inoxid\u00e1vel"},"content":{"rendered":"<p>Um dos materiais mais comuns para equipamento industrial e utens\u00edlios de cozinha, <a href=\"https:\/\/www.dillerbottle.com\/pt\/garrafa-esportiva\">garrafas de desporto<\/a>e <a href=\"https:\/\/www.dillerbottle.com\/pt\/garrafa-de-agua-isolada\">garrafas de \u00e1gua isoladas<\/a> \u00e9 <strong>a\u00e7o inoxid\u00e1vel.<\/strong> No entanto, num esfor\u00e7o para reduzir os custos, muitos fabricantes combinam materiais inferiores ou utilizam mesmo imita\u00e7\u00f5es de a\u00e7o inoxid\u00e1vel em resposta \u00e0 crescente procura a n\u00edvel mundial. Antes de fazer grandes compras, as marcas de distribuidor, os grossistas e os revendedores devem saber como saber se o a\u00e7o inoxid\u00e1vel \u00e9 aut\u00eantico, confirmando o seu grau e compreendendo como saber se satisfaz as suas necessidades de qualidade.<\/p>\n<p>Sem necessidade de recorrer a um laborat\u00f3rio, este guia explica como utilizar t\u00e9cnicas de teste simples para determinar se o a\u00e7o inoxid\u00e1vel \u00e9 aut\u00eantico. Saber como saber diretamente se o a\u00e7o inoxid\u00e1vel se enquadra em graus distintos, como 304 ou 201, pode ajudar a garantir a qualidade.<\/p>\n<h2 data-start=\"1294\" data-end=\"1339\">Graus de a\u00e7o inoxid\u00e1vel comuns em copos<\/h2>\n<div class=\"_tableContainer_1rjym_1\">\n<div class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1341\" data-end=\"1755\">\n<thead data-start=\"1341\" data-end=\"1382\">\n<tr data-start=\"1341\" data-end=\"1382\">\n<th data-start=\"1341\" data-end=\"1349\" data-col-size=\"sm\">Grau<\/th>\n<th data-start=\"1349\" data-end=\"1356\" data-col-size=\"sm\">Tipo<\/th>\n<th data-start=\"1356\" data-end=\"1367\" data-col-size=\"md\">Caracter\u00edsticas<\/th>\n<th data-start=\"1367\" data-end=\"1382\" data-col-size=\"sm\">Aplica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1425\" data-end=\"1755\">\n<tr data-start=\"1425\" data-end=\"1558\">\n<td data-start=\"1425\" data-end=\"1451\" data-col-size=\"sm\"><strong data-start=\"1427\" data-end=\"1450\">A\u00e7o inoxid\u00e1vel 304<\/strong><\/td>\n<td data-start=\"1451\" data-end=\"1471\" data-col-size=\"sm\">De qualidade alimentar (18\/8)<\/td>\n<td data-start=\"1471\" data-end=\"1520\" data-col-size=\"md\">Alta resist\u00eancia \u00e0 corros\u00e3o, seguro para bebidas quentes<\/td>\n<td data-start=\"1520\" data-end=\"1558\" data-col-size=\"sm\">Garrafas isoladas, copos de caf\u00e9<\/td>\n<\/tr>\n<tr data-start=\"1559\" data-end=\"1657\">\n<td data-start=\"1559\" data-end=\"1585\" data-col-size=\"sm\"><strong data-start=\"1561\" data-end=\"1584\">A\u00e7o inoxid\u00e1vel 201<\/strong><\/td>\n<td data-start=\"1585\" data-end=\"1598\" data-col-size=\"sm\">Custo mais baixo<\/td>\n<td data-start=\"1598\" data-end=\"1628\" data-col-size=\"md\">Resist\u00eancia m\u00e9dia \u00e0 corros\u00e3o<\/td>\n<td data-start=\"1628\" data-end=\"1657\" data-col-size=\"sm\">Garrafas de \u00e1gua promocionais<\/td>\n<\/tr>\n<tr data-start=\"1658\" data-end=\"1755\">\n<td data-start=\"1658\" data-end=\"1684\" data-col-size=\"sm\"><strong data-start=\"1660\" data-end=\"1683\">A\u00e7o inoxid\u00e1vel 316<\/strong><\/td>\n<td data-start=\"1684\" data-end=\"1700\" data-col-size=\"sm\">Grau m\u00e9dico<\/td>\n<td data-start=\"1700\" data-end=\"1727\" data-col-size=\"md\">Excelente anti-corros\u00e3o<\/td>\n<td data-start=\"1727\" data-end=\"1755\" data-col-size=\"sm\">Biber\u00f5es, uso mar\u00edtimo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Como determinar a veracidade do a\u00e7o inoxid\u00e1vel<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-17219\" src=\"https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-300x169.png 300w, https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-1024x576.png 1024w, https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-768x432.png 768w, https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-1536x864.png 1536w, https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-2048x1152.png 2048w, https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-18x10.png 18w, https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-600x337.png 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<h3>1. Teste do \u00edman (f\u00e1cil e r\u00e1pido)<\/h3>\n<p>Para testar, pressione um \u00edman contra a superf\u00edcie do a\u00e7o na tentativa de perceber se o a\u00e7o inoxid\u00e1vel \u00e9 de uma determinada qualidade.<\/p>\n<p><strong>Resultado:<\/strong><\/p>\n<p>A atra\u00e7\u00e3o magn\u00e9tica do a\u00e7o inoxid\u00e1vel 304 \u00e9 fraca ou inexistente.<\/p>\n<p>O a\u00e7o inoxid\u00e1vel 201 tem uma atra\u00e7\u00e3o magn\u00e9tica mais forte.<\/p>\n<p>Magnetismo extremamente elevado no a\u00e7o falso (ferro)<\/p>\n<p>Nota: O teste magn\u00e9tico \u00e9 \u00fatil para um rastreio r\u00e1pido, mas n\u00e3o \u00e9 100% exato por si s\u00f3.<\/p>\n<h3>\u2705 2. Teste de ferrugem em \u00e1gua salgada<\/h3>\n<p><strong>Como efetuar um teste:<\/strong><\/p>\n<p>Adicione uma pequena pitada de sal a um pouco de \u00e1gua morna.<\/p>\n<p>Depois de limpar a superf\u00edcie de a\u00e7o, esperar um dia.<\/p>\n<p><strong>Resultado:<\/strong><\/p>\n<p>O a\u00e7o inoxid\u00e1vel 304 n\u00e3o enferruja.<\/p>\n<p>Pequenos pontos de ferrugem no a\u00e7o inoxid\u00e1vel 201<\/p>\n<p>O a\u00e7o falso enferruja f\u00e1cil e fortemente.<\/p>\n<h3>\u2705 3. O teste da fa\u00edsca<\/h3>\n<p><strong>Como testar:<\/strong><\/p>\n<p>Utilize uma lixa ou uma rebarbadora para lixar suavemente a superf\u00edcie.<\/p>\n<p><strong>Resultado<\/strong>:<\/p>\n<p>A\u00e7o inoxid\u00e1vel genu\u00edno com poucas fa\u00edscas<\/p>\n<p>Fa\u00edscas grandes e brilhantes de a\u00e7o-carbono ou ferro<\/p>\n<h3>\u2705 4. Teste de peso e espessura<\/h3>\n<p>Comparado com misturas met\u00e1licas baratas, o a\u00e7o inoxid\u00e1vel verdadeiro parece mais denso e mais pesado.<br \/>\nUma vez que \u00e9 utilizado a\u00e7o de qualidade inferior nos objectos para beber, as garrafas de imita\u00e7\u00e3o de a\u00e7o inoxid\u00e1vel podem parecer leves e finas.<\/p>\n<h3>\u2705 5. Teste qu\u00edmico do \u00e1cido n\u00edtrico<\/h3>\n<p><strong>Para confirma\u00e7\u00e3o por um perito:<\/strong><\/p>\n<p>O a\u00e7o inoxid\u00e1vel 304 n\u00e3o reage com o \u00e1cido n\u00edtrico.<\/p>\n<p>No entanto, o a\u00e7o \u00e0 base de ferro de baixo custo sofre uma eros\u00e3o.<\/p>\n<p>Funciona melhor em laborat\u00f3rios ou f\u00e1bricas.<\/p>\n<h2 data-start=\"3115\" data-end=\"3168\">Como identificar o tipo de a\u00e7o inoxid\u00e1vel (201 vs 304)<\/h2>\n<div class=\"_tableContainer_1rjym_1\">\n<div class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3170\" data-end=\"3435\">\n<thead data-start=\"3170\" data-end=\"3222\">\n<tr data-start=\"3170\" data-end=\"3222\">\n<th data-start=\"3170\" data-end=\"3177\" data-col-size=\"sm\">Teste<\/th>\n<th data-start=\"3177\" data-end=\"3199\" data-col-size=\"sm\">A\u00e7o inoxid\u00e1vel 201<\/th>\n<th data-start=\"3199\" data-end=\"3222\" data-col-size=\"sm\">A\u00e7o inoxid\u00e1vel 304<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3277\" data-end=\"3435\">\n<tr data-start=\"3277\" data-end=\"3316\">\n<td data-start=\"3277\" data-end=\"3289\" data-col-size=\"sm\">Magnetismo<\/td>\n<td data-start=\"3289\" data-end=\"3300\" data-col-size=\"sm\">Mais forte<\/td>\n<td data-start=\"3300\" data-end=\"3316\" data-col-size=\"sm\">Fraco ou nenhum<\/td>\n<\/tr>\n<tr data-start=\"3317\" data-end=\"3357\">\n<td data-start=\"3317\" data-end=\"3335\" data-col-size=\"sm\">Resist\u00eancia \u00e0 ferrugem<\/td>\n<td data-start=\"3335\" data-end=\"3344\" data-col-size=\"sm\">M\u00e9dio<\/td>\n<td data-start=\"3344\" data-end=\"3357\" data-col-size=\"sm\">Excelente<\/td>\n<\/tr>\n<tr data-start=\"3358\" data-end=\"3384\">\n<td data-start=\"3358\" data-end=\"3366\" data-col-size=\"sm\">Pre\u00e7o<\/td>\n<td data-start=\"3366\" data-end=\"3374\" data-col-size=\"sm\">Inferior<\/td>\n<td data-start=\"3374\" data-end=\"3384\" data-col-size=\"sm\">Mais alto<\/td>\n<\/tr>\n<tr data-start=\"3385\" data-end=\"3435\">\n<td data-start=\"3385\" data-end=\"3404\" data-col-size=\"sm\">Utiliza\u00e7\u00e3o em artigos para bebidas<\/td>\n<td data-start=\"3404\" data-end=\"3413\" data-col-size=\"sm\">Or\u00e7amento<\/td>\n<td data-start=\"3413\" data-end=\"3435\" data-col-size=\"sm\">Qualidade alimentar de primeira qualidade<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-start=\"3794\" data-end=\"3844\">Como o Diller garante a autenticidade do a\u00e7o inoxid\u00e1vel<\/h2>\n<p data-start=\"3846\" data-end=\"4116\">Como <strong data-start=\"3851\" data-end=\"3906\">fabricante profissional de artigos para bebidas em a\u00e7o inoxid\u00e1vel<\/strong> na China, o Diller utiliza <strong data-start=\"3929\" data-end=\"3970\">a\u00e7o inoxid\u00e1vel certificado 304 e 316<\/strong> para garrafas de qualidade superior. Cada lote de mat\u00e9ria-prima \u00e9 <strong data-start=\"4023\" data-end=\"4054\">testado com analisadores de metais<\/strong>, e podemos <strong data-start=\"4067\" data-end=\"4098\">fornecer relat\u00f3rios SGS e FDA<\/strong> para verifica\u00e7\u00e3o.<\/p>\n<p data-start=\"4118\" data-end=\"4232\">Relat\u00f3rio de material dispon\u00edvel<br data-start=\"4145\" data-end=\"4148\" \/>Suporte para testes de qualidade alimentar<br data-start=\"4176\" data-end=\"4179\" \/>\u2705 Fabrico de copos de a\u00e7o inoxid\u00e1vel OEM e ODM<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>One of the most common materials for industrial equipment, kitchenware, sports bottles, and insulated water bottles is stainless steel. However, in an effort to cut costs, many manufacturers combine inferior materials or even use imitation stainless steel in response to the growing demand worldwide. Before making big purchases, private label brands, wholesalers, and resellers should [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17219,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[1150],"class_list":["post-17218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info","tag-stainless-steel"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Tell If Stainless Steel - Diller Water Bottle Manufacturer<\/title>\n<meta name=\"description\" content=\"Learn how to tell if stainless steel is authentic with simple tests and avoid inferior materials in your purchases.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dillerbottle.com\/pt\/informacao\/como-saber-se-o-aco-e-inoxidavel-html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Tell If Stainless Steel\" \/>\n<meta property=\"og:description\" content=\"Learn how to tell if stainless steel is authentic with simple tests and avoid inferior materials in your purchases.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dillerbottle.com\/pt\/informacao\/como-saber-se-o-aco-e-inoxidavel-html\" \/>\n<meta property=\"og:site_name\" content=\"Diller Water Bottle Manufacturer\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-31T02:05:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2025\/10\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-scaled.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1439\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Chief Product Officer of Diller\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Chief Product Officer of Diller\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/how-to-tell-if-stainless-steel.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/how-to-tell-if-stainless-steel.html\"},\"author\":{\"name\":\"Chief Product Officer of Diller\",\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/#\\\/schema\\\/person\\\/6e4e3f367a0e12fd1bd059570c54c9af\"},\"headline\":\"How to Tell If Stainless Steel\",\"datePublished\":\"2025-10-31T02:05:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/how-to-tell-if-stainless-steel.html\"},\"wordCount\":473,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/how-to-tell-if-stainless-steel.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.dillerbottle.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/how-to-tell-if-stainless-steel-how-to-tell-if-stainless-steel-scaled.png\",\"keywords\":[\"Stainless Steel\"],\"articleSection\":[\"info\"],\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/how-to-tell-if-stainless-steel.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/how-to-tell-if-stainless-steel.html\",\"url\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/how-to-tell-if-stainless-steel.html\",\"name\":\"How to Tell If Stainless Steel - 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