Walid Stainless, based in Tunis, Tunisia, is a leading manufacturer and supplier of premium stainless steel products. Among their specialized offerings are Stainless Steel 446 Nuts, designed for applications requiring excellent corrosion resistance, high-temperature stability, and long-term durability. These nuts are ideal for industrial, chemical, and structural assemblies exposed to harsh environments or elevated temperatures. At Walid Stainless, every nut is manufactured with precision and undergoes rigorous quality control to ensure consistent performance. Clients rely on 446 Nuts for secure, durable, and reliable fastening solutions, making them a preferred choice for demanding industrial and mechanical projects.
Stainless Steel 446 Nuts are made from a high-chromium ferritic stainless steel alloy containing approximately 23% chromium, providing outstanding corrosion and oxidation resistance. The alloy exhibits excellent high-temperature stability, maintaining strength and dimensional integrity even in elevated thermal environments. These nuts typically have tensile strength between 550–700 MPa and hardness around 180–220 HB. Their ferritic structure ensures mechanical durability, wear resistance, and resistance to scaling, making 446 Nuts suitable for industrial, chemical, and structural fastening applications where high corrosion and temperature resistance are required.
| 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.
Walid 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 widely used in industries requiring heat-resistant, corrosion-resistant, and durable fastening solutions. They are ideal for chemical processing equipment, industrial machinery, boilers, heat exchangers, and structural assemblies exposed to high temperatures or corrosive environments. Their ferritic, high-chromium composition ensures long-term dimensional stability, mechanical reliability, and resistance to oxidation. Engineers and technicians rely on 446 Nuts for safe, secure, and consistent fastening performance. Walid Stainless guarantees that each nut meets strict quality standards, providing dependable materials for industrial, chemical, and high-temperature structural projects requiring exceptional corrosion and heat resistance.
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