Hardness testing to ISO 6508-1
Alloy 20 hex nuts are essential components in various industries, known for their exceptional corrosion resistance and durability. These nuts are made from Alloy 20, a nickel-iron-chromium-based alloy with added molybdenum, copper, and niobium. This combination of elements provides Alloy 20 with unique properties that make it suitable for challenging environments, including chemical processing, pharmaceutical, food processing, and more.
One of the primary advantages of Alloy 20 hex nuts is their resistance to corrosion. They are highly resistant to sulfuric acid, phosphoric acid, and nitric acid, which makes them a preferred choice in industries where these corrosive substances are commonly encountered. The addition of molybdenum enhances this resistance, making Alloy 20 nuts suitable for applications where conventional stainless steels might fail.
In addition to corrosion resistance, Alloy 20 hex nuts are also resistant to pitting, crevice corrosion, and stress corrosion cracking. These nuts can maintain their structural integrity in harsh environments, ensuring the safety and longevity of the equipment they are used in.
The hex shape of these nuts allows for easy and secure installation and removal with standard wrenches and sockets. They come in various sizes to accommodate different fastening requirements. Moreover, Alloy 20 hex nuts are versatile and can be used in a wide range of temperatures, from cryogenic conditions to elevated temperatures, making them suitable for various industrial applications.
Alloy 20 hex nuts are often used in conjunction with Alloy 20 bolts and washers to form a complete fastening solution. This combination ensures that the entire assembly is resistant to corrosion and maintains its structural integrity over time.
When selecting Alloy 20 hex nuts, it's crucial to ensure that they meet industry standards and specifications. Proper testing and quality control are essential to guarantee the nuts' performance and longevity in demanding applications.
|Specifications||ASTM B473 / ASME SB473|
|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 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 B184.108.40.206M 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|
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.
|Alloy 20||0.07 max||2.00 max||1.00 max||0.035 max||3.00 – 4.00||32.00 – 38.00||19.00 – 21.00||29.85 min*||2.00 – 3.00||0.045 max|
|Element||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|Alloy 20||8.1 g/cm3||1443 °C (2430 °F)||Psi -80,000, MPa -551||Psi – 35,000, MPa – 241||30 %|
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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