{"id":574,"date":"2025-06-16T08:58:51","date_gmt":"2025-06-16T08:58:51","guid":{"rendered":"https:\/\/dura-alloy.com\/?post_type=product&p=574"},"modified":"2025-06-16T08:58:51","modified_gmt":"2025-06-16T08:58:51","slug":"30crmnsini2a","status":"publish","type":"product","link":"https:\/\/www.dura-alloy.com\/pt\/produto\/30crmnsini2a\/","title":{"rendered":"30CrMnSiNi2A"},"content":{"rendered":"

\u00c2mbito de fornecimento do Grupo de Avia\u00e7\u00e3o:<\/span><\/strong><\/p>\n

Var\u00f5es redondos, chapas de a\u00e7o, pe\u00e7as forjadas n\u00e3o normalizadas, an\u00e9is, tubos sem costura, personaliza\u00e7\u00e3o n\u00e3o normalizada, bem-vindo ao inqu\u00e9rito!<\/span><\/strong><\/p>\n

1.\u00a0<\/span><\/strong>Introdu\u00e7\u00e3o aos materiais 30CrMnSiNi2A<\/span><\/strong><\/p>\n

\u00a0 \u00a0 \u00a0 Ap\u00f3s o tratamento t\u00e9rmico, a liga de a\u00e7o estrutural 30CrMnSiNi2A pode obter elevada resist\u00eancia, boa plasticidade e tenacidade, boa resist\u00eancia \u00e0 fadiga e tenacidade \u00e0 fratura, e baixa taxa de propaga\u00e7\u00e3o de fissuras por fadiga.<\/span><\/p>\n

2. Composi\u00e7\u00e3o qu\u00edmica de 30CrMnSiNi2A<\/span><\/strong><\/p>\n\n\n\n\n\n
liga<\/span><\/td>\n%<\/td>\nCr\u00f3mio Cr<\/span><\/td>\nCarbono C<\/span><\/td>\nMangan\u00eas Mn<\/span><\/td>\nSil\u00edcio Si<\/span><\/td>\nF\u00f3sforo P<\/span><\/td>\nEnxofre S<\/span><\/td>\nNi<\/span><\/td>\n<\/tr>\n
30crmnsini2a<\/span><\/td>\nValor m\u00ednimo<\/span><\/td>\n0.90<\/td>\n0.27<\/td>\n1.0<\/td>\n0.9<\/td>\n–<\/td>\n–<\/span><\/td>\n1.4<\/td>\n<\/tr>\n
Valor m\u00e1ximo<\/span><\/td>\n1.20<\/td>\n0.34<\/td>\n1.3<\/td>\n1.2<\/td>\n0.020<\/td>\n0.020<\/span><\/td>\n1.8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3.<\/span><\/strong>\u00a0Propriedades mec\u00e2nicas de 30CrMnSiNi2A<\/span><\/p>\n

Resist\u00eancia \u00e0 tra\u00e7\u00e3o \u03c3b (MPa): 1)1767; 2)1627<\/span><\/p>\n

Alongamento \u03b45 (%): 1)12; 2)13<\/span><\/p>\n

Retra\u00e7\u00e3o da sec\u00e7\u00e3o \u03c8 (%): 50<\/span><\/p>\n

Valor da resist\u00eancia ao impacto \u03b1ku (J\/cm2): 1)79; 2)90<\/span><\/p>\n

Tamanho da amostra: barra<\/span><\/p>\n

IV. Propriedades f\u00edsicas do 30CrMnSiNi2A<\/span><\/strong><\/p>\n

\u00a0 \u00a0 \u00a0 30CrMnSiNi2A\u00a0<\/span><\/strong>especifica\u00e7\u00f5es de tratamento t\u00e9rmico e estrutura metalogr\u00e1fica:<\/span><\/strong><\/p>\n

\u00a0 \u00a0 \u00a0 Especifica\u00e7\u00f5es de tratamento t\u00e9rmico: 1) T\u00eampera de \u00f3leo a 890-900 \u2103, t\u00eampera a 200-300 \u2103, resfriamento a ar; 2) Aquecimento a 890-900 \u2103, t\u00eampera em uma temperatura m\u00e9dia de 210-280 \u2103 tanque de sal nitrificante por 1 hora, resfriamento a ar e, em seguida, resfriamento a 200-300 \u2103, resfriamento a ar.<\/span><\/p>\n

Estrutura metalogr\u00e1fica: 1) A t\u00eampera a alta temperatura ap\u00f3s laminagem a quente ou laminagem a frio \u00e9 perlite; 2) A t\u00eampera normalizada e a alta temperatura \u00e9 cortexite temperada; 3) O recozimento isot\u00e9rmico \u00e9 folha de perlite e ferrite; 4) O estado normalizado \u00e9 martensite e bainite; 5) O estado usado \u00e9 martensite temperada.<\/span><\/p>\n

\u00a0<\/strong>\u00a0 \u00a0 \u00a0 Temperatura cr\u00edtica de 30CrMnSiNi2A\u00a0<\/span><\/strong>a\u00e7o<\/span><\/strong><\/p>\n\n\n\n\n
Ponto cr\u00edtico<\/span><\/td>\nAc1<\/span><\/td>\nAC3<\/span><\/td>\nSenhora<\/td>\nObserva\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n
Temperatura (valor aproximado)\/\u2103<\/span><\/td>\n705\u00a0 705<\/td>\n800\u00a0 815<\/td>\n321\u00a0 \u00a0314<\/td>\n1\u00a0 \u00a02<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nota: 1. composi\u00e7\u00e3o do a\u00e7o (%) utilizado: 0.27C, 1.05Si, 1.06Mn, 1.05Cr, 1.66Ni, 0.013P, 0.005S;<\/span><\/p>\n

\u00a0 \u00a0 \u00a0 \u00a02. Composi\u00e7\u00e3o do a\u00e7o (%) utilizado: 0.30C, 1.10Si, 1.07Mn, 1.06Cr, 1.50Ni, 0.014P, 0.005S.\u00a0<\/span><\/p>\n

V.\u00a0<\/span><\/strong>Carater\u00edsticas e \u00e2mbito de aplica\u00e7\u00e3o do 30CrMnSiNi2A<\/span><\/strong><\/p>\n

\u00a0 \u00a0 \u00a0 O 30CrMnSiNi2A tem elevada temperabilidade, boas propriedades de maquinagem e soldadura, mas \u00e9 mais sens\u00edvel ao entalhe e \u00e0 fragiliza\u00e7\u00e3o por hidrog\u00e9nio (incluindo a fragiliza\u00e7\u00e3o por hidrog\u00e9nio ambiental).<\/span><\/p>\n

\u00a0 \u00a0 \u00a0 O 30CrMnSiNi2A \u00e9 adequado para componentes estruturais importantes que suportam tens\u00f5es, como conectores de alta resist\u00eancia e pe\u00e7as de eixo.<\/span><\/p>\n

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

Scope of supply of Aviation Group: Round rods, steel plates, non-standard forgings, rings, seamless pipes, non-standard customization, welcome to inquire! […]<\/p>","protected":false},"featured_media":575,"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":"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":"","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-4)","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-4)","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-4)","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":[32],"product_tag":[],"class_list":{"0":"post-574","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-alloy-structural-steel","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/product\/574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/product\/574\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/media\/575"}],"wp:attachment":[{"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/media?parent=574"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/product_brand?post=574"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/product_cat?post=574"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.dura-alloy.com\/pt\/wp-json\/wp\/v2\/product_tag?post=574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}