Kyaw Stainless is a top-notch manufacturer and supplier located in Naypyidaw, Myanmar, specializing in high-quality Stainless Steel 304H Nuts. These nuts are celebrated for their remarkable strength, durability, and impressive resistance to corrosion and oxidation. Crafted with cutting-edge production technology and rigorous quality control, they guarantee precision and reliability. Kyaw Stainless’s Stainless Steel 304H Nuts are designed to perform exceptionally well in high-temperature and high-pressure settings. Thanks to their higher carbon content, they boast enhanced mechanical strength and creep resistance, making them perfect for demanding applications in industries like power generation, petrochemicals, and heat treatment, where thermal stability and performance are key.
These Stainless Steel 304H Nuts consist of about 18–20% chromium, 8–11% nickel, and a carbon content ranging from 0.04–0.10%, along with trace amounts of manganese, silicon, phosphorus, and sulfur, with the rest being iron. The elevated carbon content not only boosts tensile and yield strength but also keeps corrosion resistance and oxidation protection intact. Typically, these nuts show a tensile strength of around 515 MPa and a yield strength of about 205 MPa, all while maintaining excellent toughness, ductility, and weldability, even at higher temperatures.
| 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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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.
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.
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.
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.
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.
Stainless Steel 304H Nuts are composed of 18-20% chromium, 8-10.5% nickel, 0.04-0.10% carbon, ≤2% manganese, ≤1% silicon, ≤0.045% phosphorus, and ≤0.03% sulfur, providing enhanced strength and corrosion resistance. Their mechanical properties include a tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of 40%, ensuring durability in high-stress environments. The physical properties feature a density of 8.0 g/cm³, a melting range of 1399-1454°C, and thermal conductivity of 16.2 W/m·K, making them ideal for high-temperature, structural, and industrial fastening applications requiring excellent thermal and mechanical performance.
You’ll find Stainless Steel 304H Nuts commonly used in heat exchangers, boilers, furnaces, pressure vessels, refineries, and chemical processing plants. Their ability to uphold mechanical integrity and resist scaling under intense heat makes them ideal for fastening components in thermal and pressure-based systems. They’re also utilized in power plants and marine environments where strength and corrosion resistance are vital. With outstanding durability, oxidation resistance, and thermal stability, Stainless Steel 304H Nuts provide reliable performance and a long service life, even in the toughest industrial conditions.
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