Hardness testing to ISO 6508-1
Stainless Steel 321 hex nuts are a type of fastener made from stainless steel grade 321. This steel is known for its excellent corrosion resistance, high strength, and durability, making it an ideal material for various industrial applications.
Features of Stainless Steel 321
Some key features of Stainless Steel 321 include:
Excellent corrosion resistance: Due to its high chromium and nickel content, SS 321 has superior resistance to oxidation and corrosion in various environments, including high temperatures.
High strength: With a minimum yield strength of 205MPa and a minimum tensile strength of 515MPa, stainless steel 321 is stronger than many other types of stainless steel.
Good weldability: SS 321 can be easily welded without the risk of intergranular corrosion, making it suitable for fabrication and construction processes.
Heat resistance: Stainless Steel 321 has a high melting point and retains its strength at elevated temperatures, making it suitable for use in applications that involve high heat or thermal cycling.
Applications of Stainless Steel 321 Hex Nuts
Stainless Steel 321 hex nuts are widely used in various industries, including:
Chemical and petrochemical processing: The excellent corrosion resistance of SS 321 makes it suitable for use in harsh chemical environments.
Aerospace and aviation: Due to its high strength and heat resistance, Stainless Steel 321 is commonly used in aircraft components, such as engine parts and exhaust systems.
Automotive industry: SS 321 hex nuts are used in automotive applications, such as exhaust systems, due to their high strength and resistance to heat and corrosion.
Food processing: The superior corrosion resistance of SS 321 makes it suitable for use in food processing equipment and machinery.
|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
|Hex Nut Sizes Metric||Dia: M10 – M110 / Length: 12 – 1200MM|
|Hex Nuts Size Inch||Dia: 1/2″ – 4.0″ / Length: 1/2″ – 52″|
|Length||3 to 200 mm|
|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 B188.8.131.52M 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.
|SS 321||1.4541||S32100||SUS 321||X6CrNiTi18-10|
|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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