{"id":6174,"date":"2020-06-23T02:59:39","date_gmt":"2020-06-23T02:59:39","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6174"},"modified":"2026-01-27T09:28:45","modified_gmt":"2026-01-27T09:28:45","slug":"%d1%87%d1%82%d0%be-%d1%82%d0%be-2","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/ru\/%d0%b1%d0%bb%d0%be%d0%b3\/%d1%87%d1%82%d0%be-%d1%82%d0%be-2\/","title":{"rendered":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 PREN (\u0447\u0438\u0441\u043b\u043e, \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u043e\u0435 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u044e \u043f\u0438\u0442\u0442\u0438\u043d\u0433\u0443)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6174\" class=\"elementor elementor-6174\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4c6b3e0 e-flex e-con-boxed e-con e-parent\" data-id=\"4c6b3e0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9f0fe05 e-con-full e-flex e-con e-child\" data-id=\"9f0fe05\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-277057a elementor-widget elementor-widget-heading\" data-id=\"277057a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 PREN<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-001ac65 elementor-widget elementor-widget-text-editor\" data-id=\"001ac65\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\u042d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u043f\u0438\u0442\u0442\u0438\u043d\u0433\u043e\u0432\u043e\u0439 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438, \u0441\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u043d\u043e PREN, - \u044d\u0442\u043e \u043d\u0430\u0431\u043e\u0440 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432, \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u043c\u044b\u0445 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0439 \u0434\u043e\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u043c\u0435\u0442\u0430\u043b\u043b\u0435. \u0417\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0447\u0430\u0441\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u043c\u0435\u0442\u043e\u0434\u0435 \u043e\u0446\u0435\u043d\u043a\u0438 \u0434\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u0438 \u043a \u043f\u0438\u0442\u0442\u0438\u043d\u0433\u043e\u0432\u043e\u0439 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e586ea elementor-widget elementor-widget-text-editor\" data-id=\"6e586ea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u0412 \u0440\u0430\u0437\u043d\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0435\u0441\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0444\u043e\u0440\u043c\u0443\u043b \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0439 \u043f\u0438\u0442\u0442\u0438\u043d\u0433\u0443, \u043d\u043e, \u0432\u043e\u043e\u0431\u0449\u0435 \u0433\u043e\u0432\u043e\u0440\u044f, \u044d\u0442\u0430 \u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439:<\/p>\n<p>\n<\/p>\n<p><strong>PREN = 1 * Cr% + 3,3 * Mo% + 16 * N%<\/strong>.<\/p>\n<p>\n<\/p>\n<p>\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432\u0435\u0440\u0441\u0438\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u044b \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u044f \u0442\u043e\u0447\u0435\u0447\u043d\u043e\u0439 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0431\u043e\u043b\u0435\u0435 \u0442\u043e\u0447\u043d\u043e\u0439: <em>\u0415\u0441\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0438\u0445 \u0441\u0442\u0430\u043b\u0435\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0442 \u0432\u043e\u043b\u044c\u0444\u0440\u0430\u043c (W), \u0434\u043b\u044f \u043d\u0438\u0445 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u0430 PREN = 1 x Cr%<\/em> + 3,3 (\u041f\u043d<em>%<\/em> + 0,5 x \u0412\u0442<em>%<\/em> ) + 16 \u0445 N%<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11d4784 elementor-widget elementor-widget-image\" data-id=\"11d4784\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"488\" height=\"281\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/whats-PREN.jpg\" class=\"attachment-large size-large wp-image-6175\" alt=\"\u0447\u0442\u043e-PREN\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/whats-PREN.jpg 488w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/whats-PREN-300x173.jpg 300w\" sizes=\"(max-width: 488px) 100vw, 488px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-95b92ed e-con-full e-flex e-con e-child\" data-id=\"95b92ed\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-18fc3d0 elementor-widget elementor-widget-html\" data-id=\"18fc3d0\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"pren-wrapper\" style=\"display: flex; justify-content: center; padding: 20px;\">\n    <div id=\"pren-calculator\" style=\"background: #ffffff; padding: 30px; border: 1px solid #ddd; border-radius: 12px; max-width: 450px; width: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; box-shadow: 0 4px 15px rgba(0,0,0,0.1); text-align: center;\">\n        \n        <h3 style=\"margin-bottom: 25px; color: #333; font-size: 22px;\">\u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 PREN<\/h3>\n        \n        <!-- Input Fields -->\n        <div style=\"margin-bottom: 15px; text-align: left;\">\n            <label style=\"font-weight: 600; color: #555;\">\u0425\u0440\u043e\u043c - Cr (%)<\/label>\n            <input type=\"text\" id=\"cr\" placeholder=\"0.00\" oninput=\"cleanAndValidate(this)\" style=\"width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 6px; margin-top: 5px;\">\n        <\/div>\n        \n        <div style=\"margin-bottom: 15px; text-align: left;\">\n            <label style=\"font-weight: 600; color: #555;\">\u041c\u043e\u043b\u0438\u0431\u0434\u0435\u043d - Mo (%)<\/label>\n            <input type=\"text\" id=\"mo\" placeholder=\"0.00\" oninput=\"cleanAndValidate(this)\" style=\"width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 6px; margin-top: 5px;\">\n        <\/div>\n\n        <div style=\"margin-bottom: 15px; text-align: left;\">\n            <label style=\"font-weight: 600; color: #555;\">\u0412\u043e\u043b\u044c\u0444\u0440\u0430\u043c - W (%)<\/label>\n            <input type=\"text\" id=\"w\" placeholder=\"0.00\" oninput=\"cleanAndValidate(this)\" style=\"width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 6px; margin-top: 5px;\">\n        <\/div>\n        \n        <div style=\"margin-bottom: 25px; text-align: left;\">\n            <label style=\"font-weight: 600; color: #555;\">\u0410\u0437\u043e\u0442 - N (%)<\/label>\n            <input type=\"text\" id=\"n\" placeholder=\"0.00\" oninput=\"cleanAndValidate(this)\" style=\"width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 6px; margin-top: 5px;\">\n        <\/div>\n\n        <button onclick=\"calculatePREN()\" style=\"background: #2271b1; color: white; border: none; padding: 12px 25px; border-radius: 6px; cursor: pointer; width: 100%; font-size: 16px; font-weight: bold;\">\u0420\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u0441\u0435\u0439\u0447\u0430\u0441<\/button>\n\n        <!-- Result Display -->\n        <div style=\"margin-top: 25px; padding-top: 20px; border-top: 2px solid #eee;\">\n            <div id=\"error-msg\" style=\"color: #d63638; font-size: 13px; margin-bottom: 10px; min-height: 20px; font-weight: 500;\"><\/div>\n            <div style=\"color: #666; font-size: 14px; margin-bottom: 5px;\">\u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 PREN:<\/div>\n            <div id=\"pren-result\" style=\"font-size: 32px; color: #d63638; font-weight: 800;\">0.00<\/div>\n        <\/div>\n\n        <p style=\"font-size: 11px; color: #999; margin-top: 20px; font-style: italic;\">\n            \u0424\u043e\u0440\u043c\u0443\u043b\u0430: Cr + 3,3 * (Mo + 0,5 * W) + 16 * N\n        <\/p>\n    <\/div>\n<\/div>\n\n<script>\n\/\/ \u5b9e\u65f6\u6e05\u6d17\u8f93\u5165\uff1a\u7981\u6b62\u8d1f\u6570\u3001\u5b57\u6bcd\u3001\u7279\u6b8a\u5b57\u7b26\uff0c\u5141\u8bb8\u5c0f\u6570\u70b9\nfunction cleanAndValidate(input) {\n    \/\/ \u53ea\u4fdd\u7559\u6570\u5b57\u548c\u5c0f\u6570\u70b9\n    let value = input.value.replace(\/[^0-9.]\/g, '');\n    \n    \/\/ \u9632\u6b62\u8f93\u5165\u591a\u4e2a\u5c0f\u6570\u70b9\n    const dotCount = (value.match(\/\\.\/g) || []).length;\n    if (dotCount > 1) {\n        value = value.slice(0, value.lastIndexOf('.'));\n    }\n\n    \/\/ \u9650\u5236\u5355\u9879\u4e0d\u80fd\u8d85\u8fc7 100\n    if (parseFloat(value) > 100) {\n        value = \"100\";\n    }\n    \n    input.value = value;\n}\n\nfunction calculatePREN() {\n    const errorBox = document.getElementById('error-msg');\n    const resultBox = document.getElementById('pren-result');\n    \n    \/\/ \u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\n    const cr = parseFloat(document.getElementById('cr').value) || 0;\n    const mo = parseFloat(document.getElementById('mo').value) || 0;\n    const w = parseFloat(document.getElementById('w').value) || 0;\n    const n = parseFloat(document.getElementById('n').value) || 0;\n\n    errorBox.innerText = \"\";\n\n    \/\/ \u6821\u9a8c\u6240\u6709\u6210\u5206\u603b\u548c\n    const total = cr + mo + w + n;\n    if (total > 100) {\n        errorBox.innerText = \"Error: Total composition (\" + total.toFixed(2) + \"%) exceeds 100%!\";\n        resultBox.innerText = \"0.00\";\n        return;\n    }\n\n    \/\/ \u8ba1\u7b97 PREN (\u542b\u94a8\u516c\u5f0f)\n    const pren = cr + (3.3 * (mo + 0.5 * w)) + (16 * n);\n    resultBox.innerText = pren.toFixed(2);\n}\n<\/script>\n\t\t\t\t<\/div>\n\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<div class=\"elementor-element elementor-element-d6a6aa4 e-flex e-con-boxed e-con e-parent\" data-id=\"d6a6aa4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-615dd0f elementor-widget elementor-widget-text-editor\" data-id=\"615dd0f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u041c\u0435\u0442\u0430\u043b\u043b\u044b \u0441 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u043c\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438 PREN \u043e\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0431\u043e\u043b\u0435\u0435 \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u044b\u043c\u0438 \u043a \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438, \u0447\u0435\u043c \u043c\u0435\u0442\u0430\u043b\u043b\u044b \u0441 \u0431\u043e\u043b\u0435\u0435 \u043d\u0438\u0437\u043a\u0438\u043c\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0438\u0442\u0442\u0438\u043d\u0433\u0443.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>\u0412 \u043e\u0431\u0449\u0435\u043c, \u043c\u0435\u0442\u0430\u043b\u043b\u044b \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c PREN \u0432\u044b\u0448\u0435 32 \u043c\u043e\u0433\u0443\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0442\u043e\u0447\u0435\u0447\u043d\u043e\u0439 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438 \u0432 \u043c\u043e\u0440\u0441\u043a\u043e\u0439 \u0432\u043e\u0434\u0435. \u0414\u043b\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c PREN \u0431\u043e\u043b\u044c\u0448\u0435 40, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 S31254 super <a href=\"https:\/\/www.kaysuns.com\/ru\/%d1%82%d1%80%d1%83%d0%b1%d1%8b-%d0%b8%d0%b7-%d0%bd%d0%b5%d1%80%d0%b6%d0%b0%d0%b2%d0%b5%d1%8e%d1%89%d0%b5%d0%b9-%d1%81%d1%82%d0%b0%d0%bb%d0%b8-3\/\" target=\"_blank\">\u0442\u0440\u0443\u0431\u0430 \u0438\u0437 \u043d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0435\u0439 \u0441\u0442\u0430\u043b\u0438<\/a> \u0430 \u0442\u0430\u043a\u0436\u0435 <a href=\"https:\/\/www.kaysuns.com\/ru\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">2507 \u0441\u0443\u043f\u0435\u0440 \u0434\u0443\u043f\u043b\u0435\u043a\u0441\u043d\u0430\u044f \u0442\u0440\u0443\u0431\u0430<\/a> \u0447\u0430\u0441\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0432 \u043c\u043e\u0440\u0441\u043a\u043e\u0439 \u0441\u0440\u0435\u0434\u0435 \u0438 \u043d\u0430 \u043c\u043e\u0440\u0435.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p><strong>\u041c\u0435\u0442\u043e\u0434 \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0442\u043e\u0447\u0435\u0447\u043d\u043e\u0439 \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438:<\/strong><\/p>\n<p><!-- \/wp:paragraph --><!-- wp:paragraph --><\/p>\n<p>\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442 ASTM G48 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u0442\u043e\u0447\u043d\u0443\u044e \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u0443 \u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u044f \u043d\u0430 \u0442\u043e\u0447\u0435\u0447\u043d\u0443\u044e \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u044e.<\/p>\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<div class=\"elementor-element elementor-element-b9c556d e-flex e-con-boxed e-con e-parent\" data-id=\"b9c556d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d430189 elementor-widget elementor-widget-heading\" data-id=\"d430189\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u0417\u043d\u0430\u0447\u0435\u043d\u0438\u044f PREN \u0434\u043b\u044f \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0435\u0442\u0430\u043b\u043b\u043e\u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-662c6cc elementor-widget elementor-widget-text-editor\" data-id=\"662c6cc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\u0418\u0437\u0432\u0435\u0441\u0442\u043d\u043e, \u0447\u0442\u043e \u0432\u043e\u043b\u044c\u0444\u0440\u0430\u043c (W) \u0432\u043b\u0438\u044f\u0435\u0442 \u043d\u0430 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0438\u0442\u0442\u0438\u043d\u0433\u0443, \u0438 \u0434\u043b\u044f \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u0430\u0440\u043e\u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u0430: PREN = Cr + 3,3 (Mo + 0,5W) + 16N.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04a5c7a elementor-widget elementor-widget-image\" data-id=\"04a5c7a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/Pitting-Resistance-Equivalent-Number-PREN-values-of-common-special-metals.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Pitting-Resistance-Equivalent-Number-PREN-values-of-common-special-metals\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjE3NiwidXJsIjoiaHR0cHM6XC9cL3d3dy5rYXlzdW5zLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyMFwvMDZcL1BpdHRpbmctUmVzaXN0YW5jZS1FcXVpdmFsZW50LU51bWJlci1QUkVOLXZhbHVlcy1vZi1jb21tb24tc3BlY2lhbC1tZXRhbHMuanBnIn0%3D\" target=\"_blank\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"564\" height=\"328\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/Pitting-Resistance-Equivalent-Number-PREN-values-of-common-special-metals.jpg\" class=\"attachment-large size-large wp-image-6176\" alt=\"Pitting-Resistance-Equivalent-Number-PREN-values-of-common-special-metals\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/Pitting-Resistance-Equivalent-Number-PREN-values-of-common-special-metals.jpg 564w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/Pitting-Resistance-Equivalent-Number-PREN-values-of-common-special-metals-300x174.jpg 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e4ee1e elementor-widget elementor-widget-text-editor\" data-id=\"9e4ee1e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\u0417\u043d\u0430\u0447\u0435\u043d\u0438\u044f PREN \u0434\u043b\u044f \u043d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0435\u0439 \u0441\u0442\u0430\u043b\u0438 \u0438 \u0434\u0443\u043f\u043b\u0435\u043a\u0441\u043d\u043e\u0439 \u0441\u0442\u0430\u043b\u0438\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa73c70 elementor-widget elementor-widget-text-editor\" data-id=\"aa73c70\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\u041a\u0430\u0439\u0441\u0443\u043d\u0441 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 <a href=\"https:\/\/www.kaysuns.com\/ru\/\" target=\"_blank\">\u0441\u0443\u043f\u0435\u0440\u0434\u0443\u043f\u043b\u0435\u043a\u0441\u043d\u044b\u0435 \u0442\u0440\u0443\u0431\u044b \u0438 \u0444\u0438\u0442\u0438\u043d\u0433\u0438<\/a> \u0441 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u044b\u043c \u0447\u0438\u0441\u043b\u043e\u043c \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0438\u0442\u0442\u0438\u043d\u0433\u0443&gt; = 40, \u0447\u0442\u043e\u0431\u044b \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c \u0441\u0443\u0434\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0438 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u043c\u043e\u0440\u0441\u043a\u043e\u0439 \u0432\u043e\u0434\u044b.\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},"featured_media":6175,"template":"","categories":[186],"tags":[],"class_list":["post-6174","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is PREN | 2507 Super Duplex Steel PREN Calculating | KAYSUNS<\/title>\n<meta name=\"description\" content=\"What is PREN ? 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