Mbemba Stainless is a well-respected manufacturer and supplier located in Kinshasa, Congo, recognized for delivering top-notch stainless steel products tailored for both industrial and commercial uses. Among their extensive lineup, the Stainless Steel 446 Nuts stand out for their remarkable resistance to oxidation, corrosion, and heat. Crafted for durability and precision, these nuts are built to perform reliably even in high-temperature and chemically challenging environments. Mbemba Stainless upholds exceptional manufacturing standards, providing sturdy fastening solutions for sectors like petrochemical, furnace manufacturing, power generation, and construction across Central Africa.
The Stainless Steel 446 Nuts from Mbemba Stainless are primarily made of iron and chromium (23–27%), with small amounts of molybdenum, silicon, and manganese added in. This ferritic alloy offers outstanding oxidation resistance and stability at high temperatures. With a tensile strength of about 485 MPa and a yield strength close to 275 MPa, these nuts boast impressive hardness, toughness, and dimensional stability. They maintain their mechanical integrity even in corrosive and high-heat conditions, ensuring they perform reliably and structurally sound in demanding environments.
| 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.
Mbemba 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.
These Stainless Steel 446 Nuts are widely utilized in industries where resistance to high heat, oxidation, and corrosion is crucial. They’re perfect for applications in furnaces, boilers, heat exchangers, and petrochemical equipment. Additionally, you’ll find them in power plants, metallurgical processes, cement industries, and thermal processing systems. Their ability to endure extreme temperatures and corrosive gases makes them ideal for secure fastening in tough operating conditions. With Mbemba Stainless 446 nuts, you get strength, stability, and longevity, guaranteeing dependable performance in both industrial and structural assemblies.
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