Hardness testing to ISO 6508-1
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Stainless Steel 321 Hex Nuts are essential in many high-temperature and corrosive environments, offering excellent resistance to oxidation and thermal stability. Our products are manufactured according to rigorous standards, including ASTM A194, ASME SA194, and DIN 933, ensuring they meet the highest quality and performance benchmarks. The 321-grade stainless steel used for these hex nuts is designed to withstand elevated temperatures, making it ideal for aerospace, automotive, and chemical applications.
As a dedicated stainless steel 321 hex nuts manufacturer, we focus on delivering products with superior mechanical properties and durability. The typical composition of SS 321 hex nut includes approximately 17-19% chromium, 9-12% nickel, and up to 0.7% titanium. Adding titanium enhances the alloy's resistance to intergranular corrosion and ensures long-term stability in high-temperature environments. This composition makes the 321-grade steel suitable for applications that involve temperatures up to 900°C (1650°F), where resistance to scaling and oxidation is crucial.
As a leading stainless steel 321 hex nuts supplier in India, our role involves offering a comprehensive range of sizes and specifications to meet diverse industrial needs. We provide various stainless steel 321 hex nut sizes to ensure compatibility with different bolt dimensions and applications. Our products are meticulously tested to meet or exceed international standards, ensuring reliable performance and safety. Additionally, we offer customization options, including different finishes and threading, to meet specific customer requirements.
Regarding cost, the price of stainless steel 321 hex nut can vary based on size, quantity, and market conditions. On average, the price for 321 SS hex nuts ranges from ₹20 to ₹80 per unit, depending on the specific dimensions and order volume. We strive to offer competitive pricing while maintaining the highest quality standards, ensuring our clients receive excellent value for their investment.
At Vision Alloys, we are committed to providing high-quality stainless steel 321 hex nuts and exceptional customer service. Our team of experts is available to assist with product selection, technical support, and any other inquiries. Whether you require SS 321 nut for high-pressure applications or need customized solutions for unique projects, our extensive knowledge and experience ensure that we deliver reliable and effective products tailored to your needs.
| Specifications | ASTM A194 / ASME SA194 |
| Size | Cold Forming process: M2-M24 Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg CNC Machining for M100 / 4” Dia, up to 1500mm lg Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Stainless Steel Hex Nuts |
| Diameter | 1/4 "-4" Metric:M3 to M100 |
| Types | Heavy Hex Nuts, Large Heavy Hex Nuts, Heavy Hex Jam Nut, Heavy Hex Coupling Nut, Heavy Duty Hex Nuts |
| DIN Standard | DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315 |
| Dimensions | ASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts, ASME B18.16.6 / ASME B18.16.4 / ASME B18.2.2 |
| Threads | METRIC, BSW, UNC, UNF, BSF or as required |
| Hex Nuts Forming | Hot Forged Hex Nuts & Cold Forged Hex Nuts |
| UTS – Unified Thread Standard | UNC, UNF, NPT, UNS, UNEF, NPTF |
Heat Treatment of Stainless Steel 321 Hex Nuts
Heat treatment is a process used to modify the properties of metals, including
stainless steel. Heat treatment of SS 321 hex nuts involves heating the material
to a specific temperature and then cooling it in a controlled manner to achieve
desired characteristics.
The heat treatment process for Stainless Steel 321 includes annealing,
quenching, and tempering. Annealing involves heating the material to above its
critical temperature and then cooling it slowly to relieve stress and improve
its ductility. Quenching is a rapid cooling process that results in increased
hardness, while tempering involves reheating the material to reduce its
brittleness.
Overall, heat treatment can enhance the strength, toughness, and corrosion
resistance of Stainless Steel 321 hex nuts, making them suitable for use in
various applications.
To preserve the high standards of our selection of industrial hex nuts, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of hex nuts.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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