{"id":3834,"date":"2025-02-27T01:57:02","date_gmt":"2025-02-27T01:57:02","guid":{"rendered":"https:\/\/keweicorten.com\/?post_type=product&#038;p=3834"},"modified":"2025-02-27T01:57:02","modified_gmt":"2025-02-27T01:57:02","slug":"astm-a709-otel-2","status":"publish","type":"product","link":"https:\/\/keweicorten.com\/ro\/astm-a709-otel-2\/","title":{"rendered":"ASTM A709 o\u021bel"},"content":{"rendered":"<h3 data-pm-slice=\"1 3 []\"><strong>Ce este ASTM A709?<\/strong><\/h3>\n<p>ASTM A709 este <strong>Specifica\u021bii standard pentru o\u021beluri structurale pentru poduri<\/strong>, stabilit de ASTM International. Acesta acoper\u0103 <strong>pl\u0103ci din o\u021bel carbon \u0219i o\u021beluri slab aliate cu rezisten\u021b\u0103 ridicat\u0103<\/strong> utilizate \u00een construc\u021bia podurilor \u0219i \u00een alte aplica\u021bii structurale. Aceast\u0103 specifica\u021bie garanteaz\u0103 c\u0103 materialele din o\u021bel \u00eendeplinesc cerin\u021bele mecanice \u0219i chimice specifice pentru o rezisten\u021b\u0103 sporit\u0103, durabilitate \u0219i rezisten\u021b\u0103 la coroziune.<\/p>\n<h3><strong>Principalele caracteristici ale o\u021belului ASTM A709<\/strong><\/h3>\n<ul data-spread=\"false\">\n<li><strong>Rezisten\u021b\u0103 \u0219i durabilitate ridicate:<\/strong> Conceput pentru utilizare structural\u0103 intens\u0103.<\/li>\n<li><strong>Rezisten\u021b\u0103 la coroziune:<\/strong> Disponibil \u00een clase de o\u021bel rezistent la intemperii pentru longevitate.<\/li>\n<li><strong>Sudabilitate \u0219i formabilitate:<\/strong> Asigur\u0103 u\u0219urin\u021ba de fabricare \u0219i construc\u021bie.<\/li>\n<li><strong>Aplica\u021bii versatile:<\/strong> Folosit \u00een <strong>poduri, structuri rutiere \u0219i construc\u021bii grele<\/strong>.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/keweicorten.com\/ro\/placa-de-otel-rezistenta-la-intemperii\/\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-3835 size-full\" title=\"ASTM A709 o\u021bel\" src=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/ASTM-A709-steel-1.jpg\" alt=\"ASTM A709 o\u021bel Factory, china, pre\u021b, produc\u0103tori, furnizori, personalizate, en-gros, ieftine, de v\u00e2nzare, \u00een stoc.\" width=\"474\" height=\"474\" srcset=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/ASTM-A709-steel-1.jpg 474w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/ASTM-A709-steel-1-300x300.jpg 300w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/ASTM-A709-steel-1-150x150.jpg 150w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/ASTM-A709-steel-1-12x12.jpg 12w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/ASTM-A709-steel-1-100x100.jpg 100w\" sizes=\"(max-width: 474px) 100vw, 474px\" \/><\/a><\/p>\n<h3><strong>ASTM A709 Gradele \u0219i specifica\u021biile o\u021belului<\/strong><\/h3>\n<p>Standardul ASTM A709 include mai multe clase, fiecare adaptat\u0103 pentru diferite condi\u021bii structurale \u0219i de mediu. Mai jos este prezentat un rezumat al principalelor clase \u0219i al specifica\u021biilor acestora:<\/p>\n<table>\n<tbody>\n<tr>\n<th><strong>Grad<\/strong><\/th>\n<th><strong>Rezisten\u021ba la rupere (ksi\/MPa)<\/strong><\/th>\n<th><strong>Rezisten\u021ba la trac\u021biune (ksi\/MPa)<\/strong><\/th>\n<th><strong>Caracteristici notabile<\/strong><\/th>\n<\/tr>\n<tr>\n<td>A709 Grad 36<\/td>\n<td>36 ksi (250 MPa)<\/td>\n<td>58-80 ksi (400-550 MPa)<\/td>\n<td>O\u021bel structural standard<\/td>\n<\/tr>\n<tr>\n<td>A709 Grad 50<\/td>\n<td>50 ksi (345 MPa)<\/td>\n<td>65-85 ksi (450-585 MPa)<\/td>\n<td>Rezisten\u021b\u0103 mai mare, utilizare general\u0103<\/td>\n<\/tr>\n<tr>\n<td>A709 Grad 50W<\/td>\n<td>50 ksi (345 MPa)<\/td>\n<td>70 ksi (485 MPa)<\/td>\n<td>O\u021bel rezistent la intemperii, rezisten\u021b\u0103 \u00eembun\u0103t\u0103\u021bit\u0103 la coroziune<\/td>\n<\/tr>\n<tr>\n<td>A709 Grad 100<\/td>\n<td>100 ksi (690 MPa)<\/td>\n<td>110-130 ksi (760-900 MPa)<\/td>\n<td>O\u021bel de \u00eenalt\u0103 rezisten\u021b\u0103 pentru aplica\u021bii grele<\/td>\n<\/tr>\n<tr>\n<td>A709 Grad HPS 70W<\/td>\n<td>70 ksi (485 MPa)<\/td>\n<td>90-110 ksi (620-760 MPa)<\/td>\n<td>O\u021bel de \u00eenalt\u0103 performan\u021b\u0103 pentru intemperii<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-pm-slice=\"1 1 []\"><strong>Aplica\u021bii ale o\u021belului ASTM A709<\/strong><\/h3>\n<ul data-spread=\"false\">\n<li><strong>Poduri \u0219i infrastructur\u0103:<\/strong> Utilizat pe scar\u0103 larg\u0103 \u00een construc\u021bia de poduri rutiere \u0219i feroviare.<\/li>\n<li><strong>Componente structurale grele:<\/strong> Ideal pentru grinzi, grinzi \u0219i coloane de sus\u021binere.<\/li>\n<li><strong>Structuri de o\u021bel rezistente la intemperii:<\/strong> A709 Grade 50W \u0219i HPS 70W sunt utilizate \u00een mod obi\u0219nuit pentru structuri expuse care necesit\u0103 o rezisten\u021b\u0103 sporit\u0103 la coroziune.<\/li>\n<\/ul>\n<h3><strong>Avantajele utiliz\u0103rii o\u021belului ASTM A709<\/strong><\/h3>\n<ol start=\"1\" data-spread=\"false\">\n<li><strong>Capacitate mare de \u00eenc\u0103rcare:<\/strong> Potrivit pentru aplica\u021bii structurale pe scar\u0103 larg\u0103.<\/li>\n<li><strong>Durat\u0103 lung\u0103 de via\u021b\u0103:<\/strong> Durabilitate sporit\u0103, \u00een special \u00een cazul o\u021belurilor pentru intemperii.<\/li>\n<li><strong>Rentabil:<\/strong> Reduce costurile de \u00eentre\u021binere datorit\u0103 rezisten\u021bei la coroziune.<\/li>\n<li><strong>Conformitatea cu standardele din industrie:<\/strong> Asigur\u0103 siguran\u021ba \u0219i fiabilitatea \u00een construc\u021bia podurilor.<\/li>\n<\/ol>\n<p><a href=\"https:\/\/keweicorten.com\/ro\/produse\/\"><img decoding=\"async\" class=\"alignnone wp-image-3838 size-medium\" title=\"ASTM A709 O\u021bel\" src=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-300x300.jpg\" alt=\"ASTM A709 Steel Factory, china, pre\u021b, produc\u0103tori, furnizori, personalizate, en-gros, ieftine, de v\u00e2nzare, \u00een stoc.\" width=\"300\" height=\"300\" srcset=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-300x300.jpg 300w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-150x150.jpg 150w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-12x12.jpg 12w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-600x600.jpg 600w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-100x100.jpg 100w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae.jpg 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/keweicorten.com\/ro\/produse\/\"><img decoding=\"async\" class=\"alignnone wp-image-3836 size-medium\" title=\"ASTM A709 O\u021bel\" src=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u94a2\u677f_\u4e0a\u6d77\u5eb7\u5f70\u91d1\u5c5e\u6750\u6599\u6709\u9650\u516c\u53f8_bda4ed16-300x300.jpg\" alt=\"ASTM A709 Steel Factory, china, pre\u021b, produc\u0103tori, furnizori, personalizate, en-gros, ieftine, de v\u00e2nzare, \u00een stoc.\" width=\"300\" height=\"300\" srcset=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u94a2\u677f_\u4e0a\u6d77\u5eb7\u5f70\u91d1\u5c5e\u6750\u6599\u6709\u9650\u516c\u53f8_bda4ed16-300x300.jpg 300w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u94a2\u677f_\u4e0a\u6d77\u5eb7\u5f70\u91d1\u5c5e\u6750\u6599\u6709\u9650\u516c\u53f8_bda4ed16-150x150.jpg 150w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u94a2\u677f_\u4e0a\u6d77\u5eb7\u5f70\u91d1\u5c5e\u6750\u6599\u6709\u9650\u516c\u53f8_bda4ed16-12x12.jpg 12w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u94a2\u677f_\u4e0a\u6d77\u5eb7\u5f70\u91d1\u5c5e\u6750\u6599\u6709\u9650\u516c\u53f8_bda4ed16-600x600.jpg 600w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u94a2\u677f_\u4e0a\u6d77\u5eb7\u5f70\u91d1\u5c5e\u6750\u6599\u6709\u9650\u516c\u53f8_bda4ed16-100x100.jpg 100w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u94a2\u677f_\u4e0a\u6d77\u5eb7\u5f70\u91d1\u5c5e\u6750\u6599\u6709\u9650\u516c\u53f8_bda4ed16.jpg 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3838 size-full\" title=\"ASTM A709 O\u021bel\" src=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae.jpg\" alt=\"ASTM A709 O\u021bel\" width=\"700\" height=\"700\" srcset=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae.jpg 700w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-300x300.jpg 300w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-150x150.jpg 150w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-12x12.jpg 12w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-600x600.jpg 600w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/02\/\u8010\u5019\u7ed3\u6784\u94a2\u677f-\u6cb3\u5357\u666f\u9686\u94a2\u94c1\u6709\u9650\u516c\u53f8_795c08ae-100x100.jpg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<h3><strong>Concluzie<\/strong><\/h3>\n<p>O\u021belul ASTM A709 ofer\u0103 o <strong>puternic, durabil \u0219i rezistent la coroziune<\/strong> solu\u021bie pentru poduri \u0219i proiecte de infrastructur\u0103. Fie c\u0103 este vorba de nevoi structurale standard sau de aplica\u021bii de \u00eenalt\u0103 performan\u021b\u0103 \u00eempotriva intemperiilor, o\u021belul A709 ofer\u0103 un echilibru optim de rezisten\u021b\u0103, longevitate \u0219i rentabilitate.<\/p>\n<p>Pentru mai multe informa\u021bii despre clasele \u0219i disponibilitatea o\u021belului ASTM A709, contacta\u021bi-ne ast\u0103zi!<\/p>","protected":false},"excerpt":{"rendered":"<p>What is ASTM A709? ASTM A709 is the Standard Specification for Structural Steel for Bridges, established by ASTM International. It covers carbon and high-strength low-alloy steel plates used in bridge construction and other structural applications. This specification ensures that steel materials meet specific mechanical and chemical requirements for enhanced strength, durability, and corrosion resistance. Key [&hellip;]<\/p>","protected":false},"featured_media":3839,"comment_status":"open","ping_status":"closed","template":"","meta":{"_eb_attr":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"product_brand":[],"product_cat":[21],"product_tag":[],"class_list":{"0":"post-3834","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-weather-resistant-steel-plate","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/product\/3834"}],"collection":[{"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/comments?post=3834"}],"version-history":[{"count":1,"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/product\/3834\/revisions"}],"predecessor-version":[{"id":3843,"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/product\/3834\/revisions\/3843"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/media\/3839"}],"wp:attachment":[{"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/media?parent=3834"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/product_brand?post=3834"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/product_cat?post=3834"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/keweicorten.com\/ro\/wp-json\/wp\/v2\/product_tag?post=3834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}