{"id":9070,"date":"2025-07-09T05:32:16","date_gmt":"2025-07-09T05:32:16","guid":{"rendered":"https:\/\/steelgratingchina.com\/?post_type=product&p=9070"},"modified":"2025-07-22T09:20:25","modified_gmt":"2025-07-22T09:20:25","slug":"steel-bar-grating-manufacturer","status":"publish","type":"product","link":"https:\/\/www.steelgratingchina.com\/pt\/produto\/steel-bar-grating-manufacturer\/","title":{"rendered":"Fabricante de grades de a\u00e7o"},"content":{"rendered":"
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\"Hot<\/div>\n
Grelha de a\u00e7o galvanizado por imers\u00e3o a quente com superf\u00edcie lisa<\/div>\n<\/div>\n
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\"Hot<\/div>\n
Grelha de a\u00e7o galvanizado por imers\u00e3o a quente com superf\u00edcie serrilhada<\/div>\n<\/div>\n
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\"Steel<\/div>\n
Grades de a\u00e7o Mat\u00e9ria-prima Rolos e barras de a\u00e7o<\/div>\n<\/div>\n
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\"Steel<\/div>\n
Grades de a\u00e7o Mat\u00e9ria-prima Barras torcidas<\/div>\n<\/div>\n<\/div>\n
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Processo de produ\u00e7\u00e3o de a\u00e7o<\/h2>\n
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Grelha de a\u00e7o soldado prensado.<\/strong>\u00a0A barra transversal \u00e9 pressionada na barra de suporte por uma m\u00e1quina de soldadura autom\u00e1tica por resist\u00eancia.<\/p>\n

Grelha de soldadura por penetra\u00e7\u00e3o.<\/strong>\u00a0Fazer previamente furos nas barras de suporte, normalmente no meio. Introduzir a barra transversal, geralmente uma barra redonda. Soldar a barra para lhe dar forma.<\/p>\n

Grelha de a\u00e7o bloqueada por press\u00e3o.<\/strong>\u00a0A grelha de a\u00e7o prensada e bloqueada \u00e9 feita de barras de suporte atrav\u00e9s de processos como ranhuras (orif\u00edcios), encaixe de barras planas ou serrilhadas cruzadas, prensagem, soldadura e acabamento.<\/p>\n

Grelha com fecho de engate.<\/strong>\u00a0A barra transversal \u00e9 pr\u00e9-rosqueada e, em seguida, fixada em forma com um equipamento especial. Normalmente utilizada na produ\u00e7\u00e3o de grades de alum\u00ednio.<\/p>\n

Grelha de a\u00e7o rebitada.<\/strong>\u00a0A barra de liga\u00e7\u00e3o (barra transversal) \u00e9 dobrada e fixada com rebites numa dire\u00e7\u00e3o paralela \u00e0 barra de suporte.<\/p>\n\n<\/div>\n

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Material e fabrico de grelhas de a\u00e7o Padr\u00e3o<\/h2>\n
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\n<\/colgroup>\n\n\n\n\n\n\n\n\n
Padr\u00e3o<\/td>\nNorma de fabrico<\/td>\nMaterial de a\u00e7o Padr\u00e3o<\/td>\n<\/tr>\n
Barra de rolamento<\/td>\nBarra transversal<\/td>\nA\u00e7o inoxid\u00e1vel<\/td>\n<\/tr>\n
China<\/td>\nYB\/T 4001.1-2019<\/td>\nGB\/T 700 Q235 Q235B<\/td>\nGB\/T 700 Q235<\/td>\nASTM A240 GR304(L) ou GR316(L)<\/td>\n<\/tr>\n
EUA<\/td>\nANSI\/NAAMM(MBG531-00)<\/td>\nASTM A1011 CS Tipo B ou ASTM A36<\/td>\nASTM A510<\/td>\nASTM A240 GR304(L) ou GR316(L)<\/td>\n<\/tr>\n
Brit\u00e2nico<\/td>\nBS4592<\/td>\nBS EN 10025<\/td>\nBS EN 10025<\/td>\nBS EN 10258<\/td>\n<\/tr>\n
Alemanha<\/td>\nDIN24537-1<\/td>\nDIN EN 10025<\/td>\nDIN EN 10025<\/td>\nDIN EN 10088<\/td>\n<\/tr>\n
Austr\u00e1lia<\/td>\nAS1657<\/td>\nBS EN 10025<\/td>\nBS EN 10025<\/td>\nBS EN 10258<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Especifica\u00e7\u00f5es da grade convencional<\/strong><\/h3>\n\n
\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Barra de suporte (mm)<\/td>\nBarra transversal (mm)<\/td>\nEspa\u00e7amento entre barras de rolamento (mm)<\/td>\nEspa\u00e7amento entre barras transversais (mm)<\/td>\nLargura (mm)<\/td>\nComprimento (mm)<\/td>\n<\/tr>\n
20×3<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n993<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
20×5<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n995<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
25×3<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n993<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
25×5<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n995<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
30×3<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n993<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
30×5<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n995<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
32×3<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n993<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
32×5<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n995<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
40×3<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n993<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
40×5<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n995<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
50×3<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n993<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
50×5<\/td>\n5×5<\/td>\n6×6<\/td>\n8×8<\/td>\n30<\/td>\n34<\/td>\n40<\/td>\n38<\/td>\n50<\/td>\n100<\/td>\n995<\/td>\n6000<\/td>\noutros<\/td>\n<\/tr>\n
* A mesa \u00e9 de especifica\u00e7\u00f5es normais. Se forem necess\u00e1rios outros modelos, personalizamo-los para os clientes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n
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Galvaniza\u00e7\u00e3o por imers\u00e3o a quente Padr\u00e3o<\/strong><\/h3>\n
\n<\/colgroup>\n\n\n\n\n\n\n\n
Galvanizado Padr\u00e3o<\/td>\nChina<\/td>\nEUA<\/td>\n<\/tr>\n
GB\/T 13912<\/td>\nASTM A123\/A 123M<\/td>\n<\/tr>\n
Espessura do material<\/td>\n3\u2264t\u22646<\/td>\n1.6\u2264t\u22643.2<\/td>\n3.2\u2264t\u22644.8<\/td>\n4.8\u2264t\u22646.4<\/td>\n<\/tr>\n
Espessura m\u00e9dia m\u00ednima (\u03bcm)<\/td>\n70<\/td>\n65<\/td>\n75<\/td>\n75<\/td>\n<\/tr>\n
Convers\u00e3o<\/td>\nmils=\u03bcmx0,03937 oz\/ft\u00b2=\u03bcmx0,02316 g\/m\u00b2=\u03bcmx7,067<\/td>\n<\/tr>\n
*A espessura da camada galvanizada pode ser personalizada de acordo com as necessidades do cliente<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Vantagens da grade de barras de a\u00e7o<\/strong><\/h2>\n
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    Estrutura leve e de elevada resist\u00eancia<\/p>\n<\/li>\n \t

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    Bom desempenho anti-corros\u00e3o<\/p>\n<\/li>\n \t

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    Belo aspeto<\/p>\n<\/li>\n \t

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    Autolimpeza e f\u00e1cil manuten\u00e7\u00e3o<\/p>\n<\/li>\n \t

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    Bom desempenho em termos de ventila\u00e7\u00e3o, ilumina\u00e7\u00e3o e dissipa\u00e7\u00e3o de calor<\/p>\n<\/li>\n \t

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    Antiderrapante e \u00e0 prova de explos\u00e3o<\/p>\n<\/li>\n \t

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    F\u00e1cil de instalar e desmontar<\/p>\n<\/li>\n<\/ul>\n
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    Aplica\u00e7\u00e3o de grade de barras de a\u00e7o<\/strong><\/h2>\n
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      Plataforma offshore e naval<\/p>\n<\/li>\n \t

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      Pavimentos industriais<\/p>\n<\/li>\n \t

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      Escadas<\/p>\n<\/li>\n \t

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      Siderurgias<\/p>\n<\/li>\n \t

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      Armaz\u00e9ns<\/p>\n<\/li>\n \t

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      Central el\u00e9ctrica<\/p>\n<\/li>\n \t

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      Trincheiras<\/p>\n<\/li>\n \t

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      Esta\u00e7\u00f5es de tratamento<\/p>\n<\/li>\n \t

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      Aeroporto<\/p>\n<\/li>\n \t

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      Passadi\u00e7o<\/p>\n<\/li>\n \t

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      Plataforma de manuten\u00e7\u00e3o<\/p>\n<\/li>\n \t

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      Tabuleiro da ponte<\/p>\n<\/li>\n \t

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      F\u00e1brica de produtos qu\u00edmicos<\/p>
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      <\/p>\n<\/li>\n<\/ul>\n

      \"Steel<\/p>\n

      <\/p>\n\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

      A grelha de a\u00e7o galvanizado por imers\u00e3o a quente, tamb\u00e9m conhecida como grelha de barras, \u00e9 fabricada atrav\u00e9s da disposi\u00e7\u00e3o de a\u00e7os planos de suporte de carga e barras transversais em intervalos espec\u00edficos, soldando-os em pain\u00e9is em bruto utilizando m\u00e1quinas de soldadura por resist\u00eancia de alta tens\u00e3o e, em seguida, transformando-os em produtos acabados atrav\u00e9s de processos como o corte, entalhe, perfura\u00e7\u00e3o e bainha. A grelha de a\u00e7o soldada \u00e9 imersa em zinco fundido e forma-se uma camada densa de zinco na sua superf\u00edcie atrav\u00e9s de uma rea\u00e7\u00e3o de liga de zinco-ferro. Este processo aumenta significativamente a resist\u00eancia \u00e0 corros\u00e3o da grelha de a\u00e7o e prolonga a sua vida \u00fatil.<\/p>","protected":false},"featured_media":9071,"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":"","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":"","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-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":"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":""},"mobile":{"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":""}}},"product_brand":[],"product_cat":[45,47],"product_tag":[],"class_list":{"0":"post-9070","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-steel-grating","7":"product_cat-steel-bar-grating","8":"desktop-align-center","9":"tablet-align-center","10":"mobile-align-center","12":"first","13":"instock","14":"featured","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/product\/9070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":10,"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/product\/9070\/revisions"}],"predecessor-version":[{"id":10140,"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/product\/9070\/revisions\/10140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/media\/9071"}],"wp:attachment":[{"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/media?parent=9070"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/product_brand?post=9070"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/product_cat?post=9070"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.steelgratingchina.com\/pt\/wp-json\/wp\/v2\/product_tag?post=9070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}