Hardness testing to ISO 6508-1
Stainless Steel A4-80 Hex Nut is a hexagonal nut made from high-strength, corrosion-resistant AISI 316 stainless steel with a minimum tensile strength of 800 MPa. These nuts are suitable for applications where both high mechanical strength and excellent corrosion resistance are required, such as in marine, chemical, or harsh environmental conditions.
• Stainless Steel Grade A4-80 is a high-strength austenitic stainless steel that is known for its excellent corrosion resistance and mechanical properties.
• A4-80 refers to the specific grade and strength of the stainless steel, with "A4" indicating the stainless steel group and "80" denoting the minimum tensile strength in megapascals (MPa).
• Hex nuts are six-sided fasteners with internal threads designed to be used with bolts or threaded rods.
• A4-80 hex nuts are manufactured to meet specific strength and corrosion resistance requirements, making them suitable for demanding applications.
• A4-80 stainless steel offers exceptional corrosion resistance, particularly in aggressive environments such as marine, chemical, and coastal settings.
• This grade contains high levels of chromium (around 16-18%) and nickel (approximately 10-13%), which form a protective passive oxide layer on the surface, preventing rust and corrosion.
• It is highly resistant to pitting and crevice corrosion, making it ideal for use in chloride-rich environments.
• Stainless Steel A4-80 is known for its machinability, which means it can be easily cut, drilled, and tapped.
• However, it can work harden quickly during machining, so proper cutting tools and techniques are essential to maintain its desired properties.
• Lubrication and cooling during machining operations are recommended to enhance tool life and maintain surface finish.
|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 B126.96.36.199M 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|
• A4-80 hex nuts find applications in industries and environments where both high strength and excellent corrosion resistance are crucial.
• Marine industry: They are commonly used in boat building and offshore structures due to their resistance to saltwater corrosion.
• Chemical processing: A4-80 nuts are suitable for equipment and pipelines that handle corrosive chemicals.
• Construction: In coastal or humid environments, these nuts are used to fasten structures, ensuring long-term durability.
• Food processing and pharmaceuticals: The corrosion resistance of A4-80 stainless steel makes it suitable for applications with strict hygiene requirements.
• Automotive and machinery: In various mechanical assemblies, A4-80 hex nuts can provide both strength and corrosion protection.
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.
|Steel Group||Steel Grade||Chemical composition|
|mass fraction, % (maxima unless stated))|
|Austenitic||A4||0.08||1||2||0.045||0.03||16 to 18.5||2 to 3||10 to 15||4|
|Steel Group||Steel Grade||Property Class||TensileStrengthRma min. Mpa||Stress at 0.2 % permanent strain Rp0.2a min. Mpa||Elongation after fracture Ab min. mm|
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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