{"id":2436,"date":"2025-03-25T11:28:12","date_gmt":"2025-03-25T03:28:12","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=2436"},"modified":"2026-04-18T11:35:16","modified_gmt":"2026-04-18T03:35:16","slug":"the-manufacturing-process-of-forged-valves","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/","title":{"rendered":"Le processus de fabrication des vannes forg\u00e9es"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/#What_Is_the_Forged_Valve_Manufacturing_Process\" >What Is the Forged Valve Manufacturing Process?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/#Understanding_the_Structure_of_Forged_Valves\" >Understanding the Structure of Forged Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/#What_Is_Valve_Body_Forging\" >What Is Valve Body Forging?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/#Step-by-Step_Process_How_Are_Forged_Components_Made\" >Step-by-Step Process: How Are Forged Components Made?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/#Why_Choose_Forged_Valves\" >Why Choose Forged Valves?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/#PANS_Forged_Valve_Manufacturing_Capabilities\" >PANS Forged Valve Manufacturing Capabilities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/the-manufacturing-process-of-forged-valves\/#Forged_Valves_FAQs\" >Forged Valves FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"585\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-6-1024x585.jpeg\" alt=\"\" class=\"wp-image-2437\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-6-1024x585.jpeg 1024w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-6-300x171.jpeg 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-6-768x439.jpeg 768w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-6-1536x877.jpeg 1536w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-6-18x10.jpeg 18w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-6.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_the_Forged_Valve_Manufacturing_Process\"><\/span><strong>What Is the Forged Valve Manufacturing Process?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A <a href=\"https:\/\/www.pansvalve.com\/product\/forge-valve\/\">forged valve<\/a> is made by heating metal and shaping it under high pressure, creating a dense, durable part with excellent mechanical strength. The forged valve manufacturing process is widely used in industries that demand high performance, such as oil and gas, power generation, and chemical processing.<\/p>\n\n\n\n<p>Forged valve bodies outperform cast alternatives in wall integrity, pressure rating, and fatigue life \u2014 but not all forgings are equivalent. This guide covers what separates a reliable forged valve body from a marginal one: material selection, forging method, heat treatment requirements, and the inspection standards (API 602, ASME B16.34) that matter when you&#8217;re specifying for high-pressure service.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_the_Structure_of_Forged_Valves\"><\/span><strong>Understanding the Structure of Forged Valves<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"585\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-7-1024x585.jpeg\" alt=\"\" class=\"wp-image-2438\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-7-1024x585.jpeg 1024w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-7-300x171.jpeg 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-7-768x439.jpeg 768w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-7-1536x877.jpeg 1536w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-7-18x10.jpeg 18w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2025\/03\/image-7.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>At the core of every forged valve is the forged valve body, which houses the internal components and handles pressure from flow systems. It&#8217;s built from materials like carbon steel, stainless steel, or alloy steel.<\/p>\n\n\n\n<p>In addition to the valve body, forged valve parts include the stem, bonnet, ball or <a href=\"https:\/\/www.pansvalve.com\/products\/forged-gate-valve\/\">gate<\/a>, and sealing elements. All these parts go through precision forging and machining to ensure durability and consistent performance.<\/p>\n\n\n\n<p>Unlike cast valves, which are formed by pouring molten metal into molds, forged valves are made by compressing solid metal, resulting in stronger, more reliable components.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Valve_Body_Forging\"><\/span><strong>What Is Valve Body Forging?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Valve body forging is the process of shaping metal under pressure after it has been heated to a malleable state. This improves the internal grain structure and eliminates porosity, making the part stronger and more resistant to stress and wear.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/www.pansvalve.com\/products\/forged-floating-ball-valve\/\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/20.jpg\" alt=\"\" style=\"width:259px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\">PANS Forged Floating Ball Valve<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Types of Valve Forging<\/strong><\/h3>\n\n\n\n<p>Different types of <strong>valve forging<\/strong> techniques are used based on part design:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Open-die forging<\/strong>: It is used for large or less intricate valve parts. The metal is compressed between flat or slightly contoured dies. This method provides flexibility but requires additional machining due to its rougher shaping.<\/li>\n\n\n\n<li><strong>Closed-die forging<\/strong>: It involves pressing the heated metal into custom-shaped dies that mirror the final part. This results in precise, near-net shapes with minimal waste, making it ideal for mass-producing forged valve parts with complex geometry.<\/li>\n\n\n\n<li><strong>Seamless rolled ring forging<\/strong>: It manufactures strong, circular components like valve seats and flanges. A donut-shaped billet is rotated and squeezed to form a ring, offering high structural integrity and excellent resistance to pressure and fatigue.<\/li>\n<\/ul>\n\n\n\n<p>Each method produces high-integrity forgings for valve components, depending on the required size, shape, and application.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step-by-Step_Process_How_Are_Forged_Components_Made\"><\/span><strong>Step-by-Step Process: How Are Forged Components Made?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Let\u2019s walk through the forged valve manufacturing process, from raw steel to finished valve.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Material Selection<\/strong><\/h3>\n\n\n\n<p>The forged valve manufacturing process begins with selecting high-grade raw materials. Carbon steel, stainless steel, and low-alloy steels are commonly used due to their excellent performance under high pressure and temperature. For forged steel parts for oil &amp; gas, materials must resist hydrogen-induced cracking, stress corrosion, and erosion.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Material<\/strong><\/td><td><strong>ASTM Grade<\/strong><\/td><td><strong>Max Temp<\/strong><\/td><td><strong>Typical Application<\/strong><\/td><\/tr><tr><td>Carbon Steel<\/td><td>A105<\/td><td>425\u00b0C<\/td><td>General high-pressure service<\/td><\/tr><tr><td>Stainless Steel<\/td><td>A182 F316<\/td><td>450\u00b0C<\/td><td>Corrosive media<\/td><\/tr><tr><td>Duplex SS<\/td><td>A182 F51<\/td><td>300\u00b0C<\/td><td>Chloride environments<\/td><\/tr><tr><td>Low-alloy Steel<\/td><td>A182 F22<\/td><td>600\u00b0C<\/td><td>High-temp steam<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Different material selection of forged valve body<\/figcaption><\/figure>\n\n\n\n<p>The material must also <span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">meet<a href=\"https:\/\/www.pansvalve.com\/knowledge-center\/7-globe-valve-design-standards-you-need-to-know\/\" target=\"_blank\">\u00a0international<\/a><\/span><a href=\"https:\/\/www.pansvalve.com\/knowledge-center\/7-globe-valve-design-standards-you-need-to-know\/\"> standard<\/a>s such as API 602, ASME B16.34, and ISO 9001 to ensure reliability, safety, and regulatory compliance in harsh environments.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Heating the Metal<\/strong><\/h3>\n\n\n\n<p>The selected billet is uniformly heated in a gas-fired or induction furnace to temperatures between 1,050\u00b0C to 1,250\u00b0C (1,922\u00b0F to 2,282\u00b0F), depending on the steel grade. This makes the metal malleable for deformation without reaching its melting point. Temperature control is crucial to avoid grain growth or overheating.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Forging the Valve Body<\/strong><\/h3>\n\n\n\n<p>Once heated, the metal is transferred to a hydraulic or mechanical press, which is shaped into a forged valve body using closed-die forging. This process improves dimensional precision and maintains consistent grain flow, which enhances strength and fatigue resistance. Sometimes, a rough preform is created in an open-die process and refined in the closed-die step.<\/p>\n\n\n\n<p>This forging step establishes the valve\u2019s key mechanical properties, making it suitable for applications with extreme pressure, temperature, or vibration.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Machining and Shaping<\/strong><\/h3>\n\n\n\n<p>After forging, the blank is cooled and undergoes rough and precision machining. CNC lathes, mills, and drilling machines create threads, ports, and seating surfaces to precise tolerances. Accurate machining of forged valve parts ensures reliable sealing, smooth flow, and proper actuator fitment.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/www.pansvalve.com\/products\/forged-check-valve\/\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/19.jpg\" alt=\"\" style=\"width:277px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\">PANS &#8211; Forged Check Valve<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Heat Treatment<\/strong><\/h3>\n\n\n\n<p>Forged valves typically undergo a controlled heat treatment cycle, including normalizing, quenching, and tempering. These processes adjust the hardness, tensile strength, and ductility to match specific application needs. For example, sour gas applications may require post-weld heat treatment to prevent cracking.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Inspection and Quality Control<\/strong><\/h3>\n\n\n\n<p>Critical components are inspected using advanced non-destructive testing (NDT) such as ultrasonic, magnetic particle, and radiographic techniques. Hydrostatic testing is performed to verify pressure-holding capacity. Dimensional inspections use CMMs (Coordinate Measuring Machines) for high-accuracy checks.<\/p>\n\n\n\n<p>This quality control phase ensures every forged valve part meets or exceeds performance and safety standards before moving to assembly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. Final Assembly and Coating<\/strong><\/h3>\n\n\n\n<p>Each part is cleaned, assembled, and tested for function, including torque testing for the stem and seat leakage tests. Surface coatings like epoxy, zinc phosphate, or PTFE may be applied to improve corrosion resistance, especially for forged steel parts used in oil and gas operations in marine or offshore conditions.<\/p>\n\n\n\n<p>The completed forge valve is then packaged, labeled with traceable serial numbers, and prepared for delivery to global industrial customers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Choose_Forged_Valves\"><\/span><strong>Why Choose Forged Valves?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Forged valves offer several key benefits over other types:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Superior Mechanical Strength<\/strong><\/h3>\n\n\n\n<p>The forging process aligns the grain flow of the metal to follow the valve\u2019s shape, significantly improving tensile strength and impact resistance.<\/p>\n\n\n\n<p>ASTM A105 forged carbon steel achieves minimum tensile strength of 485 MPa, compared to 250 MPa for ASTM A216 WCB cast carbon steel \u2014 nearly double the strength in the same material family.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Resistance to Corrosion and Erosion<\/strong><\/h3>\n\n\n\n<p>Forged steel valves are often made from stainless steel or alloy steel, providing high resistance against aggressive chemicals, saltwater, and extreme temperatures\u2014ideal for forged steel parts for oil &amp; gas pipelines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Dimensional Accuracy<\/strong><\/h3>\n\n\n\n<p>Closed-die forgings achieve tolerances of \u00b10.5mm on critical sealing surfaces, versus \u00b12\u20133mm typical in sand casting, reducing lapping time and improving seat-to-disc contact area.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Long-Term Reliability<\/strong><\/h3>\n\n\n\n<p>Due to minimal internal defects and low porosity, forged valve parts exhibit excellent fatigue resistance, reducing failure risk over long-term use. This contributes to fewer replacements and maintenance shutdowns.<\/p>\n\n\n\n<p>In cyclic pressure service (10,000+ pressure cycles), forged valve bodies show fatigue life 3\u20135x longer than equivalent cast components due to the absence of shrinkage porosity.<\/p>\n\n\n\n<p>Because of these benefits, forged valve products are widely used in high-risk industries where failure is not an option.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PANS_Forged_Valve_Manufacturing_Capabilities\"><\/span><strong>PANS Forged Valve Manufacturing Capabilities<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Forging Capabilities:<\/strong> Closed-die and open-die forging for valve bodies DN15\u2013DN150 (NPS \u00bd\u20136), pressure class 800\u20132500 LB.<\/li>\n\n\n\n<li><strong>Material Range:<\/strong> Carbon steel (A105), stainless steel (F316\/F304\/F321), duplex (F51\/F53), alloy steel (F11\/F22\/F91).<\/li>\n\n\n\n<li><strong>Certification Standards:<\/strong> API 602, ASME B16.34, ISO 15848-1 (fugitive emissions).<\/li>\n\n\n\n<li><strong>Testing Capabilities:<\/strong> 100% hydrostatic shell and seat test; optional PMI, PWHT, charpy impact test per customer specification.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/GATE-VALVE-15848.jpg\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/ISO14001.jpg\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/BALL-VALVE-158482.jpg\" alt=\"\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>PANS VALVE: Your Trusted Forged Valve Manufacturer<\/strong><\/h3>\n\n\n\n<p>With more than 36 years of experience, PANS VALVE is a global leader in the production of forged valve bodies and components. Our facilities are equipped with advanced equipment for machining, heat treatment, and quality control.<\/p>\n\n\n\n<p>We specialize in high-performance forgings for valve components and produce over 3,000 tons of industrial valves each year. From floating ball valves to trunnion-mounted options and custom designs, we ensure precision, reliability, and timely delivery tailored to your project&#8217;s specific needs.<\/p>\n\n\n\n<p>We supply strong, reliable forged steel parts for oil &amp; gas, petrochemical, power, and water industries. Our modern equipment and strict quality checks ensure long-lasting and high-performance valve products.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Forged_Valves_FAQs\"><\/span>Forged Valves FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. When should I specify forged valves instead of cast valves?<\/strong><\/h3>\n\n\n\n<p>Selection depends on size, pressure, and service severity. According to <strong>API 602<\/strong>, forged steel construction is mandatory for compact, high-pressure valves with a nominal diameter of <strong>DN50 (2&#8243;) and below<\/strong> at <strong>Class 800 and above<\/strong>.<\/p>\n\n\n\n<p>Forging eliminates internal porosity and aligns the metal&#8217;s grain structure, providing superior mechanical strength and consistent wall thickness compared to castings. This makes forged valves the industry standard for high-pressure\/high-temperature (HPHT) applications where structural integrity is critical.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. What is the minimum wall thickness for a forged valve body at Class 1500?<\/strong><\/h3>\n\n\n\n<p>Minimum wall thickness ($t_m$) is governed by <strong>ASME B16.34<\/strong>. It is determined using the formula: $t_m = 1.1 \\times [P \\times d \/ (2S &#8211; 1.2P)]$, where $P$ is design pressure, $d$ is inside diameter, and $S$ is allowable stress.<\/p>\n\n\n\n<p>For a <strong>Class 1500<\/strong> valve, specific values are tabulated in <strong>ASME B16.34 Table 3-B<\/strong>. For example, a 1&#8243; (DN25) Class 1500 forged valve typically requires a minimum wall thickness of approximately <strong>10.4 mm (0.41&#8243;)<\/strong>, varying slightly based on the specific material group and bore diameter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Can PANS supply forged valve bodies with NACE MR0175 compliance for sour gas service?<\/strong><\/h3>\n\n\n\n<p><strong>Yes, PANS VALVE fully supports NACE MR0175\/ISO 15156 compliance for sour gas service.<\/strong> We utilize restricted-chemistry carbon steels (e.g., ASTM A105N) or corrosion-resistant alloys (CRAs) with hardness strictly controlled to <strong>\u226422 HRC<\/strong>.<\/p>\n\n\n\n<p>Our manufacturing includes specific heat treatment cycles (Normalizing or Quenching &amp; Tempering) to ensure uniform microstructure and eliminate residual stresses. Upon request, we provide full traceability and additional testing, such as <strong>HIC (Hydrogen-Induced Cracking)<\/strong> and <strong>SSC (Sulfide Stress Cracking)<\/strong>, to guarantee reliability in aggressive H2S environments.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. What is the lead time for forged valves in exotic alloys (Hastelloy, Inconel)?<\/strong><\/h3>\n\n\n\n<p>Lead times depend on raw material availability and forging complexity. For <strong>Standard Exotic Alloys<\/strong> like Inconel 625\/825 or Monel 400, the typical range is <strong>12 to 16 weeks<\/strong>. For <strong>Highly Specialized Alloys<\/strong> such as Hastelloy C276 or Super Duplex, lead times extend to <strong>18 to 24 weeks<\/strong> due to specialized melting cycles and rigorous NDT requirements.<\/p>\n\n\n\n<p>PANS leverages strategic mill partnerships to optimize these schedules. We recommend early engagement during the FEED stage to secure material slots and minimize project delays.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-red-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.pansvalve.com\/contact-us\/\">Get a Quote<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>What Is the Forged Valve Manufacturing Process? A forged valve is made by heating metal and shaping it under high pressure, creating a dense, durable part with excellent mechanical strength. The forged valve manufacturing process is widely used in industries that demand high performance, such as oil and gas, power generation, and chemical processing. Forged [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2437,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197],"tags":[],"class_list":["post-2436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-forged-valves"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Forged Valve Body Manufacturing: Process, Materials &amp; Specifications | PANS Valve<\/title>\n<meta name=\"description\" content=\"Learn how forged valve bodies are made \u2014 from material selection (A105, F316, F51) and closed-die forging to heat treatment and API 602 \/ ASME B16.34 qualification. 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