Stainless Steel 321H is a high-carbon version of the standard 321 stainless steel, which is austenitic and stabilized with titanium. The addition of titanium helps prevent sensitization, a process where chromium carbides form at grain boundaries, causing the material to lose corrosion resistance at high temperatures. The “H” designation refers to the higher carbon content (0.04%–0.10%) compared to standard 321 stainless steel, which makes it more suitable for high-temperature applications.

One of the standout features of Stainless Steel 321H screws is their ability to withstand high temperatures. With excellent resistance to oxidation and scaling at temperatures up to 900°C (1652°F), these fasteners are highly suitable for high-heat environments. Whether it's for aerospace parts, automotive exhaust systems, or power plants, Stainless Steel 321H fasteners maintain their structural integrity and performance in demanding conditions.

Stainless Steel 321H exhibits excellent resistance to a wide range of corrosive environments, including sulfur-containing compounds, atmospheric corrosion, and chemical exposure. This makes it ideal for marine applications, chemical processing, and even food processing industries. The added titanium in the alloy prevents chromium carbide precipitation at grain boundaries, ensuring long-lasting durability and resistance to intergranular corrosion.

Stainless Steel 321H screws and fasteners are widely used in various sectors. Their resistance to high temperatures and corrosion makes them highly versatile in industries like aerospace, power generation, automotive, oil and gas, and chemical manufacturing. Additionally, they are ideal for equipment such as heat exchangers, reactors, furnace parts, and welded structures.

321H fasteners offer excellent weldability due to the addition of titanium, which helps stabilize the material during welding. This ensures minimal risk of carbide precipitation during welding processes, thus preserving the integrity of the fasteners and the structures they are a part of. Weldability is crucial in industries where parts need to be joined securely, especially under high stress and pressure.

Ferrobend is a well-established manufacturer of high-quality stainless steel fasteners, specializing in Stainless Steel 321H screws and other fasteners. The company’s commitment to precision engineering, innovation, and quality control ensures that every product they produce meets international standards and customer specifications.