Located in Chennai, India, Vinit Stainless is a reputable producer and supplier of premium 304H stainless steel nuts. These nuts are designed to function dependably in demanding industrial applications and are renowned for their exceptional strength and resistance to corrosion. Vinit Stainless uses strict quality control procedures to guarantee that every batch satisfies strict international standards. Because of their exceptional mechanical qualities and oxidation resistance, SS 304H nuts are specifically made for high-temperature settings. Vinit Stainless is dedicated to providing robust and precisely engineered fastening solutions globally, catering to industries including general engineering, petrochemical, power generation, and chemical processing.
About 18–20% chromium and 8–12% nickel are present in stainless steel 304H nuts, along with an additional 0.04–0.10% carbon content to improve high-temperature strength. The alloy has a yield strength of about 205 MPa and an outstanding tensile strength between 515 and 750 MPa. At high temperatures up to 870°C, this composition provides enhanced mechanical stability and creep resistance. Additionally, SS 304H nuts are tough and resistant to corrosion, which makes them appropriate for high-temperature applications where oxidation resistance and mechanical performance are crucial.
| 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.
Industries that need corrosion resistance and high-temperature performance frequently use stainless steel 304H nuts. Boilers, heat exchangers, petrochemical processing equipment, power plants, and furnace components are examples of common applications. They are also utilised in high-temperature piping systems and pressure vessels, where resilience to heat stress is crucial. When exposed to constant or intermittent heat, SS 304H nuts offer reliable fastening solutions. Their ability to resist oxidation and maintain mechanical integrity makes them a preferred choice for heavy-duty industrial applications involving elevated temperatures and corrosive media.
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