Home > Stainless Steel Flanges >Stainless Steel 304H Flanges
Stainless Steel 304H flanges stand as essential components within various piping systems, celebrated for their exceptional mechanical prowess and corrosion resilience. custom-built from Stainless Steel 304H, a variant esteemed for its superb heat resistance and weldability, these flanges offer excellent performance in challenging environments. With a composition abundant in chromium and nickel, Stainless Steel 304H exhibits remarkable corrosion resistance, making it a top choice for applications necessitating durability against corrosive agents. Furthermore, its alloy constituents contribute to heightened mechanical attributes, including robust strength, resilience, and resistance to wear. This amalgam of properties positions Stainless Steel 304H flanges as essential assets across industries, ensuring steadfast functionality and prolonged service life even under demanding operational settings.
Standard | ASTM A182 / ASME SA182 |
Dimensions | ANSI/ASME B16.5, B 16.47 A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
Size | 1/2″ (15 NB) to 48″ (1200NB) |
Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
304H | 0.10 | 2.0 | 0.75 | 0.045 | 0.03 | 18 – 20 | – | 8 – 10.5 | – |
Grade
| Density | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | |||||
304H | 8.0 g/cm3 | 515 | 205 | 35 | 92 | 201 |
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We offer These Stainless Steel 304H Flanges as per DIN, ISO, JIS or ANSI Standard.
Corrosion resistance: Stainless steel 304H is known for its excellent corrosion resistance, making it suitable for a variety of applications, including high-water or chemical applications. This corrosion resistance helps the flange’s integrity and durability, even in extreme applications.
Sanitary properties: Stainless steel 304H is nonporous and easy to clean, making it suitable for hygiene-sensitive applications, such as food and beverage manufacturing, pharmaceuticals and healthcare.
Easy to manufacture: Stainless steel 304H is easy to form and weld, making it easy to manufacture flanges in various shapes and sizes to suit specific application requirements. This versatility in construction facilitates customization and ensures that the flanges can fit securely into systems.
Strength and durability: Stainless steel 304H exhibits superior tensile strength and rigidity, providing excellent structural integrity and strength. This strength ensures that the flanges can withstand high and mechanical stresses without distortion or failure, contributing to the reliability and safety of the entire system.
High thermal resistance: The “H” in 304H stands for increased carbon, which increases its strength and high thermal resistance compared to standard 304 stainless steel This makes 304H flanges suitable for high-temperature applications, such as heat exchangers, boilers, and other industrial production processes
Stainless Steel 304H Flanges shave excellent mechanical qualities and are resistant to wear corrosion, and high temperatures, they are widely used in various industries. These flanges are widely used in the oil and gas, petrochemical, power generation, and aerospace industries. They play an important part in joining equipment, valves, and pipe systems. They are perfect for applications exposed to severe operating conditions, such as high temperatures, high pressures, and corrosive environments, because of their exceptional strength, toughness, and wear resistance.
Petrochemical Industry: Stainless steel 304H flanges connect pipes, valves and other equipment in petrochemical plants. Their corrosion resistance and high-temperature stability make them suitable for handling various chemicals and operating conditions.
Chemical and biotechnology: Stainless steel 304H flanges are used in sanitary pipe systems in the pharmaceutical and biotech industries. The smooth and corrosion-resistant materials meet strict hygiene standards and prevent contamination time which are being done.
Power Generation: Power generation, including fossil fuel, nuclear, and renewable energy, uses Stainless Steel 304H flanges in piping systems for hot water, water and other fluids. Their high temperature and resistance to energy requirements in energy production make them useful in applications.
Chemical applications: Chemical plants use stainless steel 304H flanges to handle various acids, alkalis and corrosive chemicals. They provide reliable connections that resist degradation even in aggressive chemicals.
Oil and Gas Industry: Oil and natural gas refineries use stainless steel 304H flanges in pipeline systems to transport crude oil, refined products, and natural gas Hydrocarbon acids found in these areas. They can withstand the degradation of the original materials.
Operating conditions: Consider the operating environment, including temperature, pressure, and corrosive elements present. Stainless steel 304H is suitable for high-temperature applications. It offers excellent corrosion resistance, but if conditions are exceptionally harsh, you may need to choose a higher-quality stainless steel or a completely different material.
Standards and Specifications: Ensure that stainless steel 304H flanges comply with relevant industry standards and specifications, such as ASTM, ASME, ANSI, and DIN standards. Compliance with these standards ensures flange quality, performance and flexibility.
Flange Type: Select the appropriate type based on the application and piping system configuration. Typical applications include weld necks, slip-ons, threaded socket welds, and blind flanges. Each method has specific advantages and limitations, so choose the one that best suits your design and maintenance needs.
Size and Dimensions: Determine the flanges’ required size, stress level, and thickness based on the piping system to be installed. Ensure compatibility with existing equipment and piping components to provide adequate and portable connections so
Yes, Stainless Steel 304H flanges are weldable due to their low carbon content and the presence of chromium and nickel, which promote weldability. However, preheating and post-weld heat treatment may be necessary to prevent sensitization and maintain corrosion resistance in the heat-affected zone.
Yes, Stainless Steel 304H flanges are highly recyclable. They can be melted down and reused to produce new stainless steel products without compromising their mechanical properties or corrosion resistance. Recycling stainless steel helps conserve resources, reduce waste, and minimize environmental impact.
Stainless Steel 304H flanges can be used for underground applications with proper precautions. They offer good resistance to corrosion in soil environments, but factors like soil composition, moisture levels, and potential exposure to chlorides should be considered. Protective coatings or cathodic protection may enhance their longevity underground.
Stainless Steel 304H flanges are generally not recommended for cryogenic applications due to their reduced toughness and potential for embrittlement at low temperatures. Specialized stainless steels with higher nickel content, such as 304LN or 304L, are preferred for cryogenic service to ensure adequate ductility and toughness.
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