MERIH STAINLESS, located in Istanbul, Turkey, is a well-respected manufacturer and supplier of top-notch Stainless Steel 321H Nuts, catering to a variety of industrial sectors around the globe. These nuts are celebrated for their outstanding durability, resistance to oxidation, and strength at high temperatures, making them perfect for extreme service conditions. Thanks to advanced production techniques and rigorous quality control, MERIH STAINLESS guarantees that its Stainless Steel 321H Nuts comply with international standards. They are a trusted choice in industries like petrochemical, chemical, power generation, and aerospace, designed to offer secure fastening solutions, excellent thermal stress resistance, and long-lasting performance even in tough operating environments.
Stainless Steel 321H Nuts are a type of stabilized austenitic stainless steel, featuring 17–19% chromium, 9–12% nickel, and titanium to prevent carbide precipitation. The “H” designation signifies a higher carbon content, enhancing high-temperature strength and creep resistance. These nuts boast a tensile strength of about 515 MPa and a yield strength of 205 MPa, maintaining toughness and stability even at elevated temperatures. With impressive oxidation resistance up to 870°C and good weldability, Stainless Steel 321H Nuts ensure reliable performance in high-pressure and thermal settings while prioritizing durability and safety.
| Specifications Of | 321H Stainless Steel Nuts |
|---|---|
| Length Sizes | 3 millimeter to 200 millimeter |
| Head Type | Hex, Square |
| Head Style | Hex, Square |
| Standard | ASME B18.2.2 ASME B16.5 ASME B18.5 ANSI B 18.2.4 2M DIN = DIN 931, DIN 933, DIN 934, DIN 970 ISO = ISO 4033, ISO 4032, JIS UTS = UNF, NPTF, NPT, UNC, UNEF, UNS |
| Surface Coating | Hot Dipped Galvanizing Coated Nuts Phosphate Coated Nuts Zinc Coated Nuts Cadmium Coated Nuts Teflon Coated Nuts Xylon Coated Nuts |
| Type Of Nuts | Coupling Nuts, Serrated Flange Locknuts, Square Nuts, Heavy Hex Nuts, Flange Nuts |
Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
Stainless Steel 321H Nuts | minimum maximum | 2.00 | – | 0.045 | 0.04 0.10 | 0.030 | 17.0 19.0 | – | 0.75 | 9.0 12.0 | Ti=4(C+N) 0.70 |
Grade | Tensile Strength (MPa) minimum | Yield Strength 0.2% Proof (MPa) minimum | Elongation (% in 50mm) minimum | Hardness | |
Rockwell B (HR B) maximum | Brinell (HB) maximum | ||||
321H Stainless Steel Fasteners | 515 | 205 | 40 | 95 | 217 |
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Corrosion-resistant product ideal for high-temperature applications. Stainless Steel 321H Nuts are available in sizes from M6 to M36, designed for use in aerospace and chemical processing environments, offering excellent heat and oxidation resistance.
Stainless Steel 321H Coupling Nuts are used to connect threaded rods in high-temperature settings. Sizes range from M6 to M36, suitable for applications in chemical processing and aerospace where heat resistance and durability are essential.
Stainless Steel 321H Nylon Insert Nuts feature a nylon insert to prevent loosening under high temperatures. Available in sizes from M6 to M24, they are ideal for applications in industrial machinery and exhaust systems where stability and heat resistance are crucial.
Stainless Steel 321H Flange Hex Nuts provide enhanced load distribution with their integrated flanges. Sizes range from M6 to M24, making them suitable for high-temperature environments like chemical processing and aerospace, offering both strength and corrosion resistance.
Stainless Steel 321H Heavy Hex Nuts are designed for high-stress and high-temperature applications. Available in sizes from M6 to M36, they are used in industrial machinery and aerospace components, providing exceptional strength and heat resistance.
Stainless Steel 321H Square Nuts offer a large surface area for effective torque application. Sizes range from M6 to M24, suitable for high-temperature and industrial applications, ensuring durability and stability in demanding environments.
These nuts find extensive use in industries that demand fastening components with exceptional strength and oxidation resistance at high temperatures. They are frequently utilized in chemical processing equipment, petrochemical refineries, and power generation systems, including boilers, superheaters, and heat exchangers. The aerospace and automotive sectors also rely on them for exhaust systems, manifolds, and engine components that face extreme heat. Additionally, they are used in furnace parts, thermal processing equipment, and in the food and pharmaceutical industries where cleanliness and durability are crucial.
Stainless steel 321H nuts are used in applications requiring high thermal resistance and stability. Commonly found in aerospace applications, medical equipment, and high-stress environments, they excel in situations where thermal expansion and oxidation are a concern These panels are ideal for use in exhaust systems, turbine engines, and industrial equipment with durable and reliable high temperatures in are critical Ensures long working life in applications.
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