Stainless Steel 446 Nuts are top-notch fastening components crafted for situations that demand outstanding strength and remarkable resistance to heat and corrosion. Made from a special blend of stainless steel, these nuts ensure reliable and long-lasting connections in tough environments like petrochemical plants, power generation facilities, marine settings, and industrial machinery. With their precise threading and sturdy design, they guarantee secure assembly, minimize loosening from vibrations, and deliver enduring performance. You’ll often find Stainless Steel 446 Nuts paired with bolts and studs to form stable, leak-proof joints in piping systems, structural frameworks, and high-temperature equipment.
These nuts are primarily made up of iron, chromium, and molybdenum, with a dash of nickel and carbon thrown in to boost their mechanical and chemical properties. The chromium gives them excellent resistance to corrosion and oxidation, while molybdenum and nickel enhance their strength, toughness, and performance in high-temperature and chloride-rich settings. They showcase impressive mechanical traits like high tensile strength, hardness, and resistance to wear and fatigue. Their ability to hold up under thermal stress and mechanical loads makes them perfect for critical industrial applications.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | – | 0.50 | 0.25 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 446 | 485 | 275 | 20 | 92 | 201 |
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A corrosion-resistant product, Stainless Steel 446 nuts are available in sizes from M6 to M64. They offer excellent high-temperature oxidation resistance, making them suitable for industrial applications like furnace components and exhaust systems.
A corrosion-resistant product, Stainless Steel 446 coupling nuts, available in sizes from M6 to M36, connect two male threads securely. Their high chromium content ensures durability in high-temperature and corrosive environments.
A corrosion-resistant product, Stainless Steel 446 nylon insert nuts, or lock nuts, come in sizes from M3 to M36. The nylon insert prevents loosening under vibration, while the alloy’s resistance to scaling suits high-temperature applications.
A corrosion-resistant product, Stainless Steel 446 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide even load distribution and stability in high-temperature environments.
A corrosion-resistant product, Stainless Steel 446 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness and chromium content make them ideal for heavy-duty applications in extreme temperatures.
A corrosion-resistant product, Stainless Steel 446 square nuts come in sizes from M6 to M30. They offer a larger contact surface for secure fastening and stability in high-temperature and harsh industrial conditions.
Amer Stainless offers high quality Stainless Steel 446 Nuts that have consistently passed a whole array of tests that include hardness testing, spectro analysis, PMI, and flaring tests. Micro and macro tests, pitting resistance, and IGC tests are carried out to ensure every material sold by us meets high standards of quality. In addition, the full documentary coverage, complete with commercial invoice and packaging lists stating net/gross weights of box numbers along with labels and the legalized/attested certificate of origin provided, along with Third-Party Inspection Certificates, gives one absolute assurance as regards our quest to provide excellence and unparalleled customers satisfaction.
Stainless Steel 446 Nuts are a go-to choice in industries where strong, corrosion-resistant fasteners are a must. In the oil and gas sector, as well as in chemical and petrochemical plants, they secure high-pressure pipelines and equipment. Power generation facilities rely on them for boilers, turbines, and high-temperature machinery. Marine and offshore applications take advantage of their resistance to saltwater corrosion, while industrial manufacturing counts on them for heavy-duty mechanical assemblies. Their durability, stability at high temperatures, and resilience in harsh conditions make Stainless Steel 446 Nuts indispensable in various applications.
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