{"id":1097,"date":"2019-03-27T16:39:16","date_gmt":"2019-03-27T16:39:16","guid":{"rendered":"https:\/\/www.aco.com.br\/?post_type=product&p=1097"},"modified":"2019-04-30T14:06:10","modified_gmt":"2019-04-30T14:06:10","slug":"sae-4340-aco-carbono-cromo-niquel-molibdenio","status":"publish","type":"product","link":"https:\/\/aco.com.br\/inicio\/aco\/sae-4340-aco-carbono-cromo-niquel-molibdenio\/","title":{"rendered":"SAE 4340 | A\u00e7o Carbono ao Cromo-N\u00edquel-Molibd\u00eanio"},"content":{"rendered":"

Tratamentos T\u00e9rmicos | SAE 4340 | A\u00e7o\u00a0Cromo-N\u00edquel-Molibd\u00eanio<\/strong><\/h2>\n

SAE 4340<\/strong> | Villares\u00a0V-M-40<\/h3>\n

A\u00a0usinabilidade\u00a0do a\u00e7o 4340<\/strong> \u00e9 boa usando qualquer m\u00e9todo tradicional. Deve-se usar o a\u00e7o nas condi\u00e7\u00f5es recozida ou normalizada e revenida.\u00a0(veja recozimento)<\/a>. \u00c9 poss\u00edvel recozer totalmente este material na temperatura de 844\u00b0C seguindo-se de resfriamento dentro do forno.<\/p>\n\n\n\n\n\n\n\n
\"Tratamentos<\/p>\n

Tratamentos T\u00e9rmicos<\/a><\/h4>\n<\/th>\n

Temperatura (\u00b0C)<\/th>\nMeios<\/th>\n<\/tr>\n<\/thead>\n
Recozimento<\/th>\n660-680<\/td>\n…<\/td>\n<\/tr>\n
Normaliza\u00e7\u00e3o<\/th>\n870-880<\/td>\n…<\/td>\n<\/tr>\n
T\u00eampera<\/th>\n840-880<\/td>\n\u00a0\u00d3leo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Para mais tratamentos t\u00e9rmicos e informa\u00e7\u00f5es sobre dureza do a\u00e7o, acesse a p\u00e1gina de tratamentos t\u00e9rmicos<\/a>.<\/p>\n

SAE 4340 | <\/strong>A\u00e7o Cromo-N\u00edquel-Molibd\u00eanio<\/h2>\n

O Cromo<\/strong> e o Molibd\u00eanio<\/strong> melhoram a resposta do a\u00e7o ao tratamento t\u00e9rmico<\/strong><\/a> (temperado e revenido) e possibilitam maior resist\u00eancia mec\u00e2nica, resist\u00eancia a fadiga, impacto e abras\u00e3o, enquanto o\u00a0n\u00edquel<\/strong> \u00e9 utilizado por aumentar dureza do a\u00e7o, sua resist\u00eancia ao impacto e ductilidade.<\/p>\n

Por essa raz\u00e3o tem-se no a\u00e7o SAE-4340<\/strong> uma liga para beneficiamento\u00a0<\/strong><\/a>de import\u00e2ncia chav<\/strong>e no segmento da constru\u00e7\u00e3o mec\u00e2nica.<\/p>\n

O A\u00e7o carbono SAE-4340 (Cr-Ni-Mo)<\/strong> \u00e9 uma liga com amplo uso na ind\u00fastria e no cotidiano. Sua aplica\u00e7\u00e3o se d\u00e1 em engrenagens planet\u00e1rias, eixos, cilindros entre outros. \u00c9 um a\u00e7o de alta temperabilidade para pe\u00e7as de grandes espessuras e alta resist\u00eancia.<\/strong><\/p>\n

\n

A\u00e7o SAE-4340<\/strong> – Resist\u00eancia a tra\u00e7\u00e3o<\/h2>\n

A\u00a0resist\u00eancia a tra\u00e7\u00e3o\u00a0do a\u00e7o 4340<\/strong> \u00e9 de 745 MPa<\/strong> ou 108.000 psi<\/strong>.<\/p>\n\n Solicite um Or\u00e7amento<\/span>\n <\/a>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"

O A\u00e7o SAE 4340<\/strong> | A\u00e7o carbono ao Cromo-N\u00edquel-Molibd\u00eanio<\/strong> (Villares VM-40) \u00e9 uma liga de a\u00e7o mais resistente que o a\u00e7o carbono comum. Os elementos da liga melhoram a resposta do a\u00e7o ao tratamento t\u00e9rmico<\/a> (temperado e revenido) e possibilitam maior resist\u00eancia mec\u00e2nica.<\/p>\n

SAE-4340 | <\/strong>Liga para Beneficiamento<\/a>:<\/h2>\n

A\u00e7o carbono ao Cromo-N\u00edquel-Molibd\u00eanio<\/h4>\n

Veja outras ligas para beneficiamento:
\nSAE 4140<\/a> – 4340<\/a><\/strong> – 5160<\/a> – 6150<\/a> – 8620<\/a> – 8640<\/a> – 8650<\/a> – 9254<\/a> – 9260<\/a> – 52100<\/a><\/p>\n

A\u00e7os Roman | Distribuidora de A\u00e7o SAE-4340\u00a0<\/strong>de S\u00e3o Paulo para todo Brasil<\/h5>\n\n\n\n\n\n\n\n\n\n\n\n\n
\"A\u00e7os<\/td>\n\n

SAE 4340<\/strong><\/h4>\n

Componentes Qu\u00edmicos do A\u00c7O
\nAn\u00e1lise Qu\u00edmica – Labmetal A.R.<\/span><\/a><\/th>\n<\/tr>\n<\/thead>\n

Carbono (C)<\/th>\n0.37 – 0.43 %<\/td>\n<\/tr>\n
Cromo (Cr)<\/th>\n0.70 – 0.90 %<\/strong><\/td>\n<\/tr>\n
N\u00edquel (Ni)<\/th>\n1.65 – 2.00 %<\/strong><\/td>\n<\/tr>\n
Molibd\u00eanio (Mo)<\/th>\n0.20 – 0.30 %<\/strong><\/td>\n<\/tr>\n
Mangan\u00eas (Mn)<\/th>\n0.60 – 0.80 %<\/td>\n<\/tr>\n
F\u00f3sforo (P) .<\/th>\n0.035 %\u00a0M\u00e1x.<\/td>\n<\/tr>\n
Sil\u00edcio (Si)<\/th>\n0.15 – 0.30 %<\/td>\n<\/tr>\n
Enxofre (S)<\/th>\n\u00a00.04 %\u00a0M\u00e1x<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

Marca Villares Metals – V-M 40<\/strong><\/a><\/p>\n<\/div>\n

\n
\n
.<\/div>\n<\/div>\n

Cor\/Marca\u00e7\u00e3o<\/b>
\nA\u00e7os Roman<\/p>\n<\/div>\n","protected":false},"featured_media":2009,"template":"","meta":{"inline_featured_image":false},"product_brand":[],"product_cat":[17,74],"product_tag":[226,106,173,108,109,174,111,176,228,169,170,227],"class_list":{"0":"post-1097","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-especiais","7":"product_cat-ligas-para-beneficiamento","8":"product_tag-aisi-4340","9":"product_tag-astm-a29","10":"product_tag-astm-a320","11":"product_tag-astm-a322","12":"product_tag-astm-a331","13":"product_tag-astm-a506","14":"product_tag-astm-a519","15":"product_tag-astm-a646","16":"product_tag-astm-a711","17":"product_tag-astm-a752","18":"product_tag-astm-a829","19":"product_tag-sae-4340","21":"first","22":"instock","23":"featured","24":"sold-individually","25":"shipping-taxable","26":"product-type-simple"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/product\/1097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/media\/2009"}],"wp:attachment":[{"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/media?parent=1097"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/product_brand?post=1097"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/product_cat?post=1097"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/aco.com.br\/inicio\/wp-json\/wp\/v2\/product_tag?post=1097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}