Ranya Stainless is a reputable manufacturer and supplier of high-quality Stainless Steel 304H Nuts in Muscat, Oman, providing reliable fastening solutions for industries requiring superior strength and heat resistance. Our SS 304H Nuts are produced using premium high-carbon austenitic stainless steel, ensuring exceptional durability, mechanical stability, and corrosion resistance in high-temperature environments. With a focus on accuracy, consistency, and international standards, Ranya Stainless delivers products suited for refineries, boilers, heat exchangers, and other demanding applications. Dedicated to excellence, we ensure that our 304H Nuts meet the precise performance needs of clients across diverse industrial sectors.
Stainless Steel 304H Nuts contain higher carbon content compared to standard 304 grade, enhancing their high-temperature strength and creep resistance. Their composition includes chromium, nickel, and austenitic microstructure, providing excellent corrosion resistance and mechanical stability. These nuts exhibit high tensile and yield strength, good impact toughness, and improved hardness. The increased carbon improves heat resistance, allowing 304H Nuts to retain strength at elevated temperatures. Their robust mechanical properties make them suitable for thermal processing environments, steam systems, and heavy-duty equipment.
| Specifications | DIN, ISO ,JIS ,GB, IS, BS, ASTM |
| Standard | ASTM A193 / A194, ASME SA193 / SA194 |
| Size | M2 – M100 |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions Standard | DIN: DIN931, 933, 934, 7991, 976, 125 ISO: ISO 4033, 4032 ASME B18.5, B18.3 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | – | |
| Grade | 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 | 515 | 205 | 40 | 92 | 201 |
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Stainless Steel 304H Nuts Designed for high-stress environments, these nuts provide excellent corrosion resistance and durability. Available in sizes ranging from M6 to M36, they are ideal for chemical, petrochemical, and power generation applications.
Stainless Steel 304H Coupling Nuts Ideal for joining threaded rods, these coupling nuts offer high strength and temperature resistance. Available in sizes from M6 to M36, they are suitable for industrial applications such as piping systems and machinery assemblies.
These nuts feature a nylon insert for secure fastening and vibration resistance. Available in sizes from M6 to M24, they ensure a tight fit and prevent loosening, making them perfect for machinery and automotive applications.
Featuring integrated flanges for extra support, these SS 304H nuts provide enhanced load distribution and stability. Available in sizes from M6 to M24, they are ideal for use in heavy-duty equipment and construction projects.
Offering superior strength for heavy-duty applications, these SS 304H nuts are designed for high-pressure and high-temperature environments. Available in sizes from M6 to M36, they are perfect for boilers and heat exchangers.
These square nuts provide a large surface area for effective torque application. Available in sizes from M6 to M24, they are ideal for secure fastening in tight spaces within industrial machinery and structural applications.
Ranya Stainless is committed to providing high-quality Stainless Steel 304H Nuts with consistent performance through a wide range of tests. These include hardness testing, spectro analysis, PMI, and flaring tests. We also do micro and macro tests, pitting resistance tests, and IGC tests to ensure the excellent quality of every product we deliver. Along with the above-mentioned stringent testing processes, we are giving full documentation like commercial invoices and detailed packing lists with net and gross weights, box numbers, and labels. Moreover, our legalized or attested Certificate of Origin and Third-Party Inspection Certificates make sure that there is total assurance of our commitment towards delivering superlative products and a guaranty of unforgettable customer satisfaction.
Stainless Steel 304H Nuts are widely used in industries that operate under high temperatures and corrosive conditions. They are preferred in petroleum refineries, thermal power plants, chemical processing units, and boiler manufacturing due to their excellent strength retention and oxidation resistance. These nuts are also used in heat exchangers, pressure vessels, superheater systems, steam pipelines, and heavy-duty machinery. In construction and structural applications, they offer long-lasting performance in extreme atmospheric conditions. Their reliability, durability, and resistance to thermal stress make 304H Nuts ideal for critical fastening tasks across diverse industrial environments.
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