{"id":6613,"date":"2025-12-09T10:24:39","date_gmt":"2025-12-09T02:24:39","guid":{"rendered":"https:\/\/sunhyings.com\/?page_id=6613"},"modified":"2025-12-15T09:50:27","modified_gmt":"2025-12-15T01:50:27","slug":"super-duplex-2507","status":"publish","type":"page","link":"https:\/\/sunhyings.com\/it\/materials\/super-duplex-2507\/","title":{"rendered":"Super Duplex 2507"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6613\" class=\"elementor elementor-6613\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f21225b e-con-full e-flex e-con e-parent\" data-id=\"f21225b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9a201d elementor-widget elementor-widget-html\" data-id=\"d9a201d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n\/* =========================================\r\n   Sunhy Styles - Color Fix Only\r\n   \u4fdd\u7559\u5e03\u5c40\uff0c\u4ec5\u4fee\u590d\u5b57\u4f53\u989c\u8272\u53ef\u89c1\u6027\r\n   ========================================= *\/\r\n\r\n\/* 1. \u57fa\u7840\u5bb9\u5668\u4e0e\u5b57\u4f53 *\/\r\n.sunhy-ss-page {\r\n    color: #111827; \/* \u5168\u5c40\u6df1\u8272\u5b57 *\/\r\n    background-color: #f9fafb;\r\n    line-height: 1.6;\r\n    font-size: 15px;\r\n}\r\n\r\n.sunhy-ss-page .ss-container {\r\n    max-width: 1120px;\r\n    margin: 0 auto;\r\n    padding: 24px 16px 40px;\r\n}\r\n\r\n\/* 2. \u6807\u9898\u901a\u7528 *\/\r\n.sunhy-ss-page h1,\r\n.sunhy-ss-page h2,\r\n.sunhy-ss-page h3,\r\n.sunhy-ss-page h4 {\r\n    color: #111827;\r\n    font-weight: 700;\r\n    margin: 0 0 12px;\r\n}\r\n.sunhy-ss-page h1 { font-size: 30px; }\r\n.sunhy-ss-page h2 { font-size: 24px; margin-top: 24px; }\r\n.sunhy-ss-page h3 { font-size: 18px; margin-top: 18px; }\r\n\r\n.sunhy-ss-page p {\r\n    margin: 0 0 10px;\r\n    color: #4b5563;\r\n}\r\n\r\n\/* 3. 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padding-left: 12px; } }\r\n\r\n\/* Layout & TOC *\/\r\n.sunhy-ss-page .ss-layout { display: block; }\r\n@media (min-width: 960px) { .sunhy-ss-page .ss-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 20px; align-items: flex-start; } }\r\n.sunhy-ss-page .ss-toc { display: none; }\r\n@media (min-width: 960px) { .sunhy-ss-page .ss-toc { display: block; position: sticky; top: 96px; background-color: #ffffff; border-radius: 12px; border: 1px solid #e5e7eb; padding: 12px 14px; font-size: 13px; } }\r\n.sunhy-ss-page .ss-toc-title { font-size: 11px; text-transform: uppercase; color: #9ca3af; letter-spacing: 0.16em; margin-bottom: 6px; font-weight: 600; }\r\n.sunhy-ss-page .ss-toc a { display: block; padding: 2px 0; color: #4b5563; text-decoration: none; }\r\n.sunhy-ss-page .ss-toc a:hover { color: #1d4ed8; }\r\n\r\n\/* Main Content *\/\r\n.sunhy-ss-page .ss-main { margin-top: 12px; }\r\n@media (min-width: 960px) { .sunhy-ss-page .ss-main { margin-top: 0; } }\r\n.sunhy-ss-page .ss-section { background-color: #ffffff; border-radius: 14px; border: 1px solid #e5e7eb; padding: 18px 18px 18px; margin-bottom: 18px; }\r\n\r\n\/* Tables & Lists *\/\r\n.sunhy-ss-page ul { padding-left: 20px; margin: 0 0 10px; }\r\n.sunhy-ss-page li { margin-bottom: 4px; }\r\n.sunhy-ss-page table { width: 100%; border-collapse: collapse; margin: 8px 0 14px; font-size: 13px; }\r\n.sunhy-ss-page th, .sunhy-ss-page td { border: 1px solid #e5e7eb; padding: 6px 8px; text-align: left; }\r\n.sunhy-ss-page thead th { background-color: #f3f4f6; }\r\n\r\n\/* FAQ *\/\r\n.sunhy-ss-page .ss-faq-item { border: 1px solid #e5e7eb; border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }\r\n.sunhy-ss-page .ss-faq-q { font-weight: 600; cursor: default; margin-bottom: 4px; }\r\n\r\n\/* CTA & Form *\/\r\n.sunhy-ss-page .ss-cta { text-align: center; font-size: 14px; }\r\n.sunhy-ss-page .ss-form-grid { display: grid; grid-template-columns: 1fr; gap: 8px 10px; }\r\n@media (min-width: 640px) { .sunhy-ss-page .ss-form-grid { grid-template-columns: repeat(2, 1fr); } }\r\n.sunhy-ss-page label { display: block; font-size: 13px; color: #374151; margin-bottom: 3px; }\r\n.sunhy-ss-page input, .sunhy-ss-page textarea { width: 100%; border-radius: 8px; border: 1px solid #d1d5db; padding: 6px 8px; font-size: 13px; box-sizing: border-box; }\r\n.sunhy-ss-page textarea { resize: vertical; min-height: 80px; }\r\n<\/style>\r\n\r\n<div class=\"sunhy-ss-page\">\r\n\r\n    <section class=\"ss-hero\">\r\n        <div class=\"ss-hero-inner\">\r\n            <div class=\"ss-hero-main\">\r\n                <div class=\"ss-hero-eyebrow\">Zero-Failure Engineering<\/div>\r\n                <h1 class=\"ss-hero-title\">\r\n                    Super Duplex 2507 (UNS S32750) Pipe Fittings & Flanges\r\n                <\/h1>\r\n                <p class=\"ss-hero-subtitle\">\r\n                    Engineered for critical seawater and subsea applications where standard Duplex 2205 fails. \r\n                    <strong>NORSOK M-650 Qualified<\/strong> and <strong>NACE MR0175 Compliant<\/strong> solutions.\r\n                <\/p>\r\n                <ul class=\"ss-hero-list\">\r\n                    <li><strong>Guaranteed PREN &gt; 41:<\/strong> Superior pitting resistance via Nitrogen control.<\/li>\r\n                    <li><strong>Phase Balance:<\/strong> 50\/50 Austenite\/Ferrite ratio for HISC prevention.<\/li>\r\n                    <li><strong>Manufacturing Logic:<\/strong> Welding heat input controlled (0.2-1.5 kJ\/mm) to prevent Sigma phase.<\/li>\r\n                <\/ul>\r\n                <div class=\"ss-hero-actions\">\r\n                    <a href=\"#contact\" class=\"ss-btn-primary\">\r\n                        Get Official Quote\r\n                    <\/a>\r\n                    <a href=\"#downloads\" class=\"ss-btn-secondary\">\r\n                        Download QTR Sample (PDF)\r\n                    <\/a>\r\n                <\/div>\r\n                <div class=\"sunhy-ss-badge-container\">\r\n                    <span class=\"sunhy-ss-badge\">NORSOK M-650<\/span>\r\n                    <span class=\"sunhy-ss-badge\">DNV-RP-F112<\/span>\r\n                    <span class=\"sunhy-ss-badge\">NACE MR0175<\/span>\r\n                <\/div>\r\n            <\/div>\r\n            <aside class=\"ss-hero-side\">\r\n                <div class=\"ss-hero-side-title\">Risk Mitigation Strategy<\/div>\r\n                <p>\r\n                    For SWRO and Subsea projects, material failure is not an option.\r\n                    <br><br>\r\n                    Sunhy offers <strong>Dual Certified Stock<\/strong> (S32750\/S32760) and fully traceable <strong>EN 10204 3.1\/3.2<\/strong> documentation to ensure your supply chain is as robust as the alloy itself.\r\n                <\/p>\r\n            <\/aside>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <div class=\"ss-container\">\r\n\r\n        <section class=\"ss-eeat-card\">\r\n            <div class=\"ss-eeat-left\">\r\n                <div class=\"ss-eeat-avatar\">SM<\/div>\r\n                <div class=\"ss-eeat-meta\">\r\n                    <div class=\"ss-eeat-label\">Metallurgical Review by<\/div>\r\n                    <div class=\"ss-eeat-name\">Sunhy Materials Engineering Team<\/div>\r\n                    <div style=\"font-size: 12px; color:#6b7280;\">\r\n                        Experts in high-alloy forging, heat treatment, and failure analysis (HISC\/SCC).\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n            <div class=\"ss-eeat-right\">\r\n                <div style=\"font-size: 12px;\">\r\n                    <strong>Verification:<\/strong> All fittings undergo 100% Ultrasonic Testing (UT) per ASTM A388 and Micrographic Examination (ASTM E562) to certify freedom from intermetallic phases.\r\n                <\/div>\r\n            <\/div>\r\n        <\/section>\r\n\r\n        <div class=\"ss-layout\">\r\n            <aside class=\"ss-toc\">\r\n                <div class=\"ss-toc-title\">Deep Dive<\/div>\r\n                <nav>\r\n                    <a href=\"#overview\">1. Why Super Duplex 2507?<\/a>\r\n                    <a href=\"#chemistry\">2. S32750 vs S32760<\/a>\r\n                    <a href=\"#properties\">3. Mechanical Strength & ROI<\/a>\r\n                    <a href=\"#corrosion\">4. Corrosion: PREN & CPT<\/a>\r\n                    <a href=\"#manufacturing\">5. Controlling Microstructure<\/a>\r\n                    <a href=\"#applications\">6. SWRO & Subsea Solutions<\/a>\r\n                    <a href=\"#quality\">7. Quality Assurance (QA)<\/a>\r\n                    <a href=\"#faq\">8. Engineer FAQ<\/a>\r\n                    <a href=\"#downloads\">9. Contact & Downloads<\/a>\r\n                <\/nav>\r\n            <\/aside>\r\n\r\n            <main class=\"ss-main\">\r\n\r\n                <section id=\"overview\" class=\"ss-section\">\r\n                    <h2>1. Strategic Overview: Why Upgrade to 2507?<\/h2>\r\n                    <p>\r\n                        When standard Duplex 2205 reaches its corrosion limits in aggressive chloride environments\u2014such as hot seawater or acidic brines\u2014Super Duplex 2507 (UNS S32750) provides the necessary safety margin.\r\n                    <\/p>\r\n                    <p>\r\n                        With a Chromium content of 25% and Molybdenum of 4%, S32750 offers exceptional resistance to pitting and crevice corrosion. For EPC managers, choosing 2507 is a strategic decision to <strong>minimize lifecycle costs (LCC)<\/strong> by eliminating unplanned maintenance in critical offshore and desalination assets.\r\n                    <\/p>\r\n                <\/section>\r\n\r\n                <section id=\"chemistry\" class=\"ss-section\">\r\n                    <h2>2. Metallurgy: S32750 vs S32760<\/h2>\r\n                    <p>\r\n                        While both are \"Super Duplex\" with PREN > 40, understanding the nuance is key for specific applications.\r\n                    <\/p>\r\n                    <table>\r\n                        <thead>\r\n                        <tr>\r\n                            <th>Element<\/th>\r\n                            <th>UNS S32750 (2507)<\/th>\r\n                            <th>UNS S32760 (Zeron 100)<\/th>\r\n                            <th>Metallurgical Impact<\/th>\r\n                        <\/tr>\r\n                        <\/thead>\r\n                        <tbody>\r\n                        <tr>\r\n                            <td><strong>Chromium (Cr)<\/strong><\/td>\r\n                            <td>24.0 \u2013 26.0%<\/td>\r\n                            <td>24.0 \u2013 26.0%<\/td>\r\n                            <td>Primary passive film former.<\/td>\r\n                        <\/tr>\r\n                        <tr>\r\n                            <td><strong>Molybdenum (Mo)<\/strong><\/td>\r\n                            <td>3.0 \u2013 5.0%<\/td>\r\n                            <td>3.0 \u2013 4.0%<\/td>\r\n                            <td>Critical for pitting resistance.<\/td>\r\n                        <\/tr>\r\n                        <tr>\r\n                            <td><strong>Nitrogen (N)<\/strong><\/td>\r\n                            <td>0.24 \u2013 0.32%<\/td>\r\n                            <td>0.20 \u2013 0.30%<\/td>\r\n                            <td>Stabilizes austenite; increases strength.<\/td>\r\n                        <\/tr>\r\n                        <tr>\r\n                            <td><strong>Copper (Cu) & Tungsten (W)<\/strong><\/td>\r\n                            <td>-<\/td>\r\n                            <td>0.5\u20131.0% (Each)<\/td>\r\n                            <td>\r\n                                <strong>Differentiation:<\/strong> Cu improves resistance in acid reducing environments (e.g. Sulfuric Acid). W enhances localized corrosion resistance.\r\n                            <\/td>\r\n                        <\/tr>\r\n                        <\/tbody>\r\n                    <\/table>\r\n                    <p style=\"background-color: #f0fdf4; padding: 10px; border-radius: 6px; border: 1px solid #bbf7d0; font-size: 13px;\">\r\n                        <strong>Sunhy Inventory Strategy:<\/strong> We frequently stock \"Dual Certified\" material that meets the chemistry and mechanical requirements of both UNS S32750 and S32760, providing maximum flexibility for your project.\r\n                    <\/p>\r\n                <\/section>\r\n\r\n                <section id=\"properties\" class=\"ss-section\">\r\n                    <h2>3. Mechanical Strength: The Economics of Down-Gauging<\/h2>\r\n                    <p>\r\n                        Super Duplex 2507 isn't just about corrosion; it's about strength. With a yield strength \u2265 550 MPa, it is roughly twice as strong as 316L.\r\n                    <\/p>\r\n                    <table>\r\n                        <thead>\r\n                        <tr>\r\n                            <th>Property<\/th>\r\n                            <th>Super Duplex 2507<\/th>\r\n                            <th>Duplex 2205<\/th>\r\n                            <th>316L Stainless<\/th>\r\n                        <\/tr>\r\n                        <\/thead>\r\n                        <tbody>\r\n                        <tr>\r\n                            <td>Yield Strength (0.2%)<\/td>\r\n                            <td><strong>\u2265 550 MPa<\/strong><\/td>\r\n                            <td>\u2265 450 MPa<\/td>\r\n                            <td>~ 205 MPa<\/td>\r\n                        <\/tr>\r\n                        <tr>\r\n                            <td>Tensile Strength<\/td>\r\n                            <td>\u2265 795 MPa<\/td>\r\n                            <td>\u2265 655 MPa<\/td>\r\n                            <td>\u2265 515 MPa<\/td>\r\n                        <\/tr>\r\n                        <tr>\r\n                            <td>Hardness (HRC)<\/td>\r\n                            <td>Max 32 (NACE)<\/td>\r\n                            <td>Max 28<\/td>\r\n                            <td>Max 22<\/td>\r\n                        <\/tr>\r\n                        <\/tbody>\r\n                    <\/table>\r\n                    <p>\r\n                        <strong>ROI Impact:<\/strong> High strength allows engineers to reduce wall thickness (down-gauging) in high-pressure piping. This reduces the total weight of the system and welding consumables costs, offsetting the higher material price of 2507.\r\n                    <\/p>\r\n                <\/section>\r\n\r\n                <section id=\"corrosion\" class=\"ss-section\">\r\n                    <h2>4. Corrosion Science: PREN & Critical Temperatures<\/h2>\r\n                    \r\n                    <p>\r\n                        Sunhy guarantees a <strong>PREN (Pitting Resistance Equivalent Number) > 41<\/strong>. This is calculated using the formula:\r\n                        <br>\r\n                        <code>PREN = %Cr + 3.3(%Mo) + 16(%N)<\/code>\r\n                    <\/p>\r\n                    \r\n                    <h3>Critical Temperatures (ASTM G48)<\/h3>\r\n                    \r\n                    <ul>\r\n                        <li><strong>CPT (Critical Pitting Temperature):<\/strong> > 80\u00b0C. Compared to ~60\u00b0C for 2205, this 20\u00b0C gap is crucial for heat exchangers.<\/li>\r\n                        <li><strong>CCT (Critical Crevice Temperature):<\/strong> ~ 50\u00b0C. Essential for flanged connections in seawater.<\/li>\r\n                    <\/ul>\r\n                <\/section>\r\n\r\n                <section id=\"manufacturing\" class=\"ss-section\">\r\n                    <h2>5. Manufacturing: Controlling the Microstructure<\/h2>\r\n                    <p>\r\n                        The \"Achilles' Heel\" of Super Duplex is the precipitation of harmful intermetallic phases (Sigma \u03c3, Chi \u03c7) if processing parameters are incorrect.\r\n                    <\/p>\r\n                    \r\n                    <h3>Sunhy's Process Controls:<\/h3>\r\n                    <ul>\r\n                        <li><strong>Solution Annealing:<\/strong> 1040-1120\u00b0C followed by rapid water quenching to bypass the \"Sigma nose\".<\/li>\r\n                        <li><strong>Welding Heat Input:<\/strong> Strictly controlled between <strong>0.2 \u2013 1.5 kJ\/mm<\/strong>. \r\n                            <ul>\r\n                                <li style=\"font-size:12px;color:#666;\">Too Low: Promotes high ferrite content (low toughness).<\/li>\r\n                                <li style=\"font-size:12px;color:#666;\">Too High: Promotes Sigma phase (embrittlement).<\/li>\r\n                            <\/ul>\r\n                        <\/li>\r\n                        <li><strong>Ferrite Test:<\/strong> Verified to be 35-55% (ASTM E562) to ensure resistance to stress corrosion cracking.<\/li>\r\n                    <\/ul>\r\n                <\/section>\r\n\r\n                <section id=\"applications\" class=\"ss-section\" style=\"background-color:#0f172a;color:#f1f5f9;border-color:#1e293b;\">\r\n                    <h2 style=\"color:#ffffff;\">6. Industry-Specific Solutions<\/h2>\r\n                    <div class=\"ss-app-grid\">\r\n                        <div class=\"ss-app-card\">\r\n                            <h3>SWRO Desalination<\/h3>\r\n                            <p>\r\n                                <strong>Problem:<\/strong> Crevice corrosion in high-pressure flanges.\r\n                                <br>\r\n                                <strong>Solution:<\/strong> 2507 Flanges with high nitrogen content to stabilize the passive film in stagnant brine.\r\n                            <\/p>\r\n                        <\/div>\r\n                        <div class=\"ss-app-card\">\r\n                            <h3>Subsea Oil & Gas<\/h3>\r\n                            <p>\r\n                                <strong>Problem:<\/strong> HISC (Hydrogen Induced Stress Cracking) from CP systems.\r\n                                <br>\r\n                                <strong>Solution:<\/strong> Fine-grain forgings with optimized phase balance to disrupt hydrogen diffusion.\r\n                            <\/p>\r\n                        <\/div>\r\n                        <div class=\"ss-app-card\">\r\n                            <h3>Chemical Processing<\/h3>\r\n                            <p>\r\n                                <strong>Problem:<\/strong> Aggressive acids (e.g. Hydrochloric).\r\n                                <br>\r\n                                <strong>Solution:<\/strong> S32760 (Zeron 100) option available for enhanced resistance to reducing acids via Copper addition.\r\n                            <\/p>\r\n                        <\/div>\r\n                    <\/div>\r\n                <\/section>\r\n\r\n                <section id=\"quality\" class=\"ss-section\">\r\n                    <h2>7. Authority & QA (The \"Trust\" Factor)<\/h2>\r\n                    <p>\r\n                        Our manufacturing process is transparent and verifiable.\r\n                    <\/p>\r\n                    <ul>\r\n                        <li><strong>NORSOK M-650:<\/strong> We provide QTRs demonstrating furnace uniformity (+\/- 14\u00b0C) and qualified heat treatment procedures.<\/li>\r\n                        <li><strong>NACE MR0175:<\/strong> Hardness guaranteed &lt; 32 HRC for S32750 in sour service.<\/li>\r\n                        <li><strong>NDT Matrix:<\/strong>\r\n                            <ul>\r\n                                <li>Ultrasonic Testing (UT) to ASTM A388.<\/li>\r\n                                <li>Impact Testing at -46\u00b0C (> 45J).<\/li>\r\n                                <li>Corrosion Test G48 Method A (50\u00b0C, 24h, No Pitting).<\/li>\r\n                            <\/ul>\r\n                        <\/li>\r\n                    <\/ul>\r\n                <\/section>\r\n\r\n                <section id=\"faq\" class=\"ss-section\">\r\n                    <h2>8. FAQ: Engineer to Engineer<\/h2>\r\n\r\n                    <div class=\"ss-faq-item\">\r\n                        <div class=\"ss-faq-q\">Q1: Can I weld 2507 to 316L?<\/div>\r\n                        <p>\r\n                            Yes. Use an over-alloyed filler metal like <strong>ER2594<\/strong>. Do not use 316L filler as it will dilute the weld bead, leading to corrosion failure.\r\n                        <\/p>\r\n                    <\/div>\r\n\r\n                    <div class=\"ss-faq-item\">\r\n                        <div class=\"ss-faq-q\">Q2: Why is magnetic permeability a concern?<\/div>\r\n                        <p>\r\n                            Super Duplex is ferromagnetic due to its ferrite phase. This must be considered for mine-sweeping vessels or sensitive electronics, but does not affect corrosion resistance.\r\n                        <\/p>\r\n                    <\/div>\r\n\r\n                    <div class=\"ss-faq-item\">\r\n                        <div class=\"ss-faq-q\">Q3: Is post-weld heat treatment (PWHT) required?<\/div>\r\n                        <p>\r\n                            Generally, no, if heat input is controlled. However, for heavy wall thicknesses, solution annealing may be required to dissolve intermetallic phases.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/section>\r\n\r\n                <section id=\"downloads\" class=\"ss-section\">\r\n                    <h2>9. Talk to a Sunhyings Engineer<\/h2>\r\n                    <div class=\"ss-cta\">\r\n                        <p>\r\n                            Don't compromise on critical path materials. Leverage our 30+ years of manufacturing data.\r\n                        <\/p>\r\n                    <\/div>\r\n\r\n                    <div style=\"margin-top:16px;display:grid;grid-template-columns:1fr;gap:16px;\">\r\n                        <div>\r\n                            <h3>Technical Resources<\/h3>\r\n                            <ul>\r\n                                <li>Super Duplex 2507 Datasheet (PDF)<\/li>\r\n                                <li>NORSOK M-650 QTR Sample<\/li>\r\n                                <li>Guide: Preventing HISC in Subsea Flanges<\/li>\r\n                            <\/ul>\r\n                            <a href=\"#\" class=\"ss-btn-secondary\">\r\n                                Download Library\r\n                            <\/a>\r\n                        <\/div>\r\n                        <div id=\"contact\">\r\n                            <h3>Request Official Quote<\/h3>\r\n                            <form>\r\n                                <div class=\"ss-form-grid\">\r\n                                    <div>\r\n                                        <label>Name<\/label>\r\n                                        <input type=\"text\" name=\"name\">\r\n                                    <\/div>\r\n                                    <div>\r\n                                        <label>Company<\/label>\r\n                                        <input type=\"text\" name=\"company\">\r\n                                    <\/div>\r\n                                    <div>\r\n                                        <label>Email<\/label>\r\n                                        <input type=\"email\" name=\"email\">\r\n                                    <\/div>\r\n                                    <div>\r\n                                        <label>Requirement<\/label>\r\n                                        <input type=\"text\" name=\"product\" placeholder=\"e.g. 2507 WN Flanges\">\r\n                                    <\/div>\r\n                                <\/div>\r\n                                <div style=\"margin-top:8px;\">\r\n                                    <label>Project Specifications<\/label>\r\n                                    <textarea name=\"message\" placeholder=\"Specify NORSOK, NACE, or testing requirements...\"><\/textarea>\r\n                                <\/div>\r\n                                <div style=\"margin-top:10px;\">\r\n                                    <button type=\"submit\" class=\"ss-btn-primary\">\r\n                                        Send Request\r\n                                    <\/button>\r\n                                <\/div>\r\n                            <\/form>\r\n                        <\/div>\r\n                    <\/div>\r\n                <\/section>\r\n\r\n            <\/main>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\/\",\r\n  \"@type\": \"ProductGroup\",\r\n  \"name\": \"Super Duplex 2507 (UNS S32750) Pipe Fittings & Flanges\",\r\n  \"description\": \"High-performance Super Duplex 2507 fittings for SWRO and Subsea applications. NORSOK M-650 qualified, PREN > 41, NACE MR0175 compliant.\",\r\n  \"brand\": {\r\n    \"@type\": \"Brand\",\r\n    \"name\": \"Sunhyings\"\r\n  },\r\n  \"manufacturer\": {\r\n    \"@type\": \"Organization\",\r\n    \"name\": \"Sunhyings Fluid Control Co., Ltd.\"\r\n  },\r\n  \"productGroupID\": \"SD2507-SERIES\",\r\n  \"material\": \"Super Duplex Stainless Steel UNS S32750 \/ 1.4410\",\r\n  \"hasVariant\": [\r\n    {\r\n      \"@type\": \"Product\",\r\n      \"name\": \"Super Duplex 2507 Flange ANSI B16.5\",\r\n      \"sku\": \"FLG-2507-ANSI\"\r\n    }\r\n  ]\r\n}\r\n<\/script>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the difference between S32750 and S32760?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Both are Super Duplex grades. S32760 contains Tungsten and Copper additions, offering improved resistance in specific reducing acid environments, while S32750 is the standard for general severe applications.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Is Sunhy 2507 NORSOK M-650 qualified?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Yes, we can provide QTRs demonstrating compliance with NORSOK M-650 standards for heat treatment uniformity and quench times.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n<\/script>\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>Zero-Failure Engineering Super Duplex 2507 (UNS S32750) Pipe Fittings &#038; Flanges Engineered for critical seawater and subsea applications where standard Duplex 2205 fails. NORSOK M-650 Qualified and NACE MR0175 Compliant solutions. Guaranteed PREN &gt; 41: Superior pitting resistance via Nitrogen control. Phase Balance: 50\/50 Austenite\/Ferrite ratio for HISC prevention. Manufacturing Logic: Welding heat input controlled [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6009,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6613","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/pages\/6613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/comments?post=6613"}],"version-history":[{"count":25,"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/pages\/6613\/revisions"}],"predecessor-version":[{"id":7153,"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/pages\/6613\/revisions\/7153"}],"up":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/pages\/6009"}],"wp:attachment":[{"href":"https:\/\/sunhyings.com\/it\/wp-json\/wp\/v2\/media?parent=6613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}