Hardness testing to ISO 6508-1
Stainless Steel 904L Hex Nuts are a highly specialized type of fastener known for their exceptional corrosion resistance and durability. They are often used in demanding industrial and marine applications where regular steel fasteners would corrode and fail. Here are some key features, machining considerations, heat treatment aspects, and applications of Stainless Steel 904L Hex Nuts
Corrosion Resistance: Stainless Steel 904L is renowned for its outstanding resistance to a wide range of corrosive environments, including sulfuric acid, chlorides, and other aggressive chemicals. This makes it ideal for applications in chemical processing plants, offshore drilling rigs, and desalination equipment. High Strength: While not as strong as some other stainless steel alloys, 904L still offers good mechanical properties and can withstand significant loads, making it suitable for structural and pressure vessel applications. Non-Magnetic: 904L stainless steel is non-magnetic, which is essential in certain industries like the pharmaceutical and medical sectors where magnetic interference must be avoided. Formability: It is readily formable, which allows for the manufacture of custom fasteners and components with complex shapes.
Machining Stainless Steel 904L can be challenging due to its high levels of chromium, molybdenum, and nickel. It has a tendency to work-harden, so special care must be taken to avoid overheating and tool wear. Carbide tooling is often used to machine 904L. Slow speeds and high feeds with constant cooling and lubrication are recommended for optimal results.
Heat Treatment: Stainless Steel 904L is not typically heat-treated for hardening because it gains its mechanical properties through cold working. However, solution annealing, also known as stress-relief annealing, is performed to reduce residual stresses and restore corrosion resistance after cold forming processes.
|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 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|
Stainless Steel 904L Hex Nuts find application in a variety of industries:
Chemical Processing: Due to its excellent resistance to sulfuric and other acids, 904L fasteners are widely used in the chemical and petrochemical industries.
Marine and Offshore: In harsh saltwater environments, such as offshore platforms and shipbuilding, 904L nuts provide long-lasting corrosion protection.
Pharmaceutical and Biotechnology: Non-magnetic properties make 904L suitable for equipment used in these industries.
Desalination: Components in desalination plants benefit from 904L's resistance to chloride stress corrosion cracking.
Oil and Gas: It is used in applications like gas scrubbers and piping systems where exposure to aggressive media is common.
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 904L||1.4539||N08904||SUS 904L||904S13||STS 317J5L||Z2 NCDU 25-20||X1NiCrMoCu25-20-5|
|SS 904L||0.020 max||2.0 max||1.00 max||0.040 max||0.030 max||19.00 – 23.00||4.00 – 5.00||23.00 – 28.00||1.00 – 2.00|
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|7.95 g/cm3||1350 °C (2460 °F)||Psi – 71000 , MPa – 490||Psi – 32000 , MPa – 220||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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|Stainless Steel N08904 Hex Nut||SS 1.4539 Hex Nuts|
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