{"id":3043,"date":"2025-09-29T07:59:29","date_gmt":"2025-09-29T07:59:29","guid":{"rendered":"https:\/\/www.prototypes.it\/materials\/cast-iron-prototypes\/cast-iron-gjl300\/"},"modified":"2025-11-13T08:15:49","modified_gmt":"2025-11-13T08:15:49","slug":"cast-iron-gjl300","status":"publish","type":"page","link":"https:\/\/www.prototypes.it\/en\/materials\/cast-iron-prototypes\/cast-iron-gjl300\/","title":{"rendered":"Cast Iron GJL300"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3043\" class=\"elementor elementor-3043 elementor-1161\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eecda60 e-con-full e-flex e-con e-parent\" data-id=\"eecda60\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c533939 elementor-widget elementor-widget-html\" data-id=\"c533939\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<table>\n  <thead>\n    <tr>\n      <th colspan=\"2\">GJL300 (GS30)<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>Hardness HB (30)<\/td>\n      <td>170 - 240<\/td>\n    <\/tr>\n    <tr>\n      <td>Tensile strength Rm N\/mm<sup>2<\/sup><\/td>\n      <td>250<\/td>\n    <\/tr>\n    <tr>\n      <td>Yield strength Rp 0.2<\/td>\n      <td>-<\/td>\n    <\/tr>\n    <tr>\n      <td>Elongation A %<\/td>\n      <td>1 - 3<\/td>\n    <\/tr>\n    <tr>\n      <td>Structure<\/td>\n      <td>Pearlitic<\/td>\n    <\/tr>\n    <tr>\n      <td>Graphite<\/td>\n      <td>Lamellar<\/td>\n    <\/tr>\n    <tr>\n      <td>Determining wall thickness [mm]<\/td>\n      <td>5<br>10<br>20<br>40<br>80<\/td>\n    <\/tr>\n    <tr>\n      <td>Prescribed tensile strength Rm (on specimen) [N\/mm<sup>2<\/sup>]<\/td>\n      <td>from 250 to 350<\/td>\n    <\/tr>\n    <tr>\n      <td>Prescribed tensile strength Rm (on sample) [N\/mm<sup>2<\/sup>]<\/td>\n      <td>-<br>-<br>250<br>220<br>210<\/td>\n    <\/tr>\n    <tr>\n      <td>Predictable tensile strength Rm (on sample) [N\/mm<sup>2<\/sup>]<\/td>\n      <td>270<br>240<br>210<br>195<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>GJL300 (GS30) Hardness HB (30) 170 &#8211; 240 Tensile strength Rm N\/mm2 250 Yield strength Rp 0.2 &#8211; Elongation A % 1 &#8211; 3 Structure Pearlitic Graphite Lamellar Determining wall thickness [mm] 510204080 Prescribed tensile strength Rm (on specimen) [N\/mm2] from 250 to 350 Prescribed tensile strength Rm (on sample) [N\/mm2] &#8211;&#8211;250220210 Predictable tensile strength [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2994,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_theme","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3043","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - 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