Niazi Stainless, a well-respected manufacturer and supplier based in Manama, Bahrain, specializes in high-quality Stainless Steel 446 Nuts that are designed to perform exceptionally well in extreme temperatures and corrosive settings. With a strong commitment to precision manufacturing and compliance with global standards, this company delivers durable fastening solutions that are perfect for demanding industrial applications. Their SS 446 nuts are built to withstand oxidation, scaling, and chemical degradation, making them the go-to choice for high-heat and high-stress environments. Niazi Stainless prioritizes reliability, longevity, and customer satisfaction, establishing themselves as a trusted source for premium stainless steel fasteners throughout Bahrain and the Gulf region.
These Stainless Steel 446 Nuts are crafted from a high-chromium ferritic stainless steel, containing around 23–27% chromium, along with small amounts of molybdenum and silicon to enhance oxidation and corrosion resistance. They boast impressive mechanical properties, including high tensile strength, good hardness, and outstanding resistance to scaling at elevated temperatures. SS 446 maintains its structural integrity even when subjected to thermal cycling and harsh chemical conditions. Its ferritic microstructure contributes to stability, while its durability ensures long-lasting performance in industrial settings that demand strength and heat resistance.
| 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.
Niazi 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 find their place in various industries that operate under high-temperature and corrosive conditions. They’re commonly used in furnaces, heat treatment equipment, exhaust systems, and thermal processing units due to their remarkable resistance to oxidation and scaling. Petrochemical plants, power generation facilities, and refineries also depend on these nuts for secure fastening in applications exposed to hot gases and chemicals. Additionally, SS 446 nuts are utilized in kiln linings, incinerators, and chemical processing machinery. Their durability, thermal stability, and corrosion resistance make them a top choice for critical high-temperature applications.
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