Request For Our Latest Prices On Stainless Steel 446 Nuts in Canberra, Australia!
At Hazlewood Fasteners in Canberra, we craft more than hardware—we deliver steadfast connections that endure the harshest conditions. Our stainless steel 446 nuts are precision-engineered companions to high-performance bolts, built to resist heat, corrosion, and relentless stress. Every nut is forged to lock tightly, maintain alignment, and provide enduring reliability where failure is not an option. Ideal for industrial, marine, and high-temperature applications, Hazlewood Fasteners ensures your assemblies remain secure and uncompromising. With stainless steel 446 nuts, you’re not just fastening components—you’re anchoring strength, longevity, and confidence into every project.
Stainless steel 446 nuts are produced from a high-chromium, low-nickel martensitic alloy designed for extreme durability. Their chemical composition provides exceptional resistance to corrosion, oxidation, and thermal fatigue, while precise heat treatment enhances tensile strength, hardness, and dimensional stability. These nuts retain their structural integrity under high-stress, high-temperature conditions, ensuring reliable performance in demanding environments. Resistant to creep and wear, stainless steel 446 nuts combine toughness with endurance, making them a trusted choice wherever industrial precision and steadfast reliability are essential.
| 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 |
| 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. |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 446 nuts are engineered for the toughest applications. They pair seamlessly with high-temperature bolts in power plants, petrochemical refineries, and furnace assemblies, where corrosion resistance and strength are critical. Marine, offshore, and high-humidity environments also benefit from their exceptional durability. These nuts are indispensable in heavy machinery, automotive, and industrial equipment, maintaining secure connections under vibration, pressure, and heat. Beyond industrial applications, they anchor structural components in construction and infrastructure projects, ensuring assemblies remain safe and reliable. Simply put, stainless steel 446 nuts are the unsung guardians that keep critical systems fastened and enduring against time and environment.
We thoroughly test all products, including Stainless Steel 446 Nuts, before delivery to ensure quality. Our rigorous testing includes hardness, chemical analysis, PMI testing, levelling, micro and macro testing, pitting resistance, flare and IGC testing. We provide the necessary documentation, including invoices, packaging and legal certificate of origin. Additionally, we provide third-party review certifications to ensure optimal customer satisfaction.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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