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At Hazlewood Fasteners in Canberra, precision isn’t a feature—it’s our foundation. Our stainless steel 422 nuts are engineered for strength, performance, and endurance in the most demanding environments. Designed to pair perfectly with high-grade bolts, these nuts provide exceptional resistance to heat, corrosion, and mechanical stress. Each piece is crafted to ensure a steadfast hold, even in extreme industrial or structural conditions. When you choose Hazlewood Fasteners’ 422 nuts, you’re choosing reliability forged into every thread—hardware that doesn’t just connect components but reinforces your commitment to safety, durability, and engineering excellence.
Stainless steel 422 nuts are manufactured from a high-chromium martensitic alloy renowned for its heat and corrosion resistance. With a carefully balanced composition of chromium, molybdenum, and carbon, these nuts deliver outstanding tensile and yield strength. Heat-treated for hardness and fatigue resistance, they maintain dimensional accuracy and mechanical integrity under high-stress, high-temperature conditions. Their superior oxidation resistance and structural stability make them ideal for both static and dynamic load applications, ensuring dependable fastening performance where durability and precision are essential.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
| Material | Specification | Standards | Length | Size |
| 422 Stainless Steel Fasteners | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
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 422 nuts excel in applications that demand unwavering strength and thermal stability. They’re widely used in power generation, petrochemical processing, aerospace, and high-temperature machinery, where mechanical integrity is non-negotiable. These nuts resist scaling and wear in turbines, exhaust systems, and industrial furnaces. In marine and construction sectors, they provide dependable fastening even under corrosive and vibrational stress. Whether used in critical assemblies or high-pressure systems, stainless steel 422 nuts deliver consistent performance, securing vital connections with the strength and reliability that define Hazlewood Fasteners’ commitment to engineering perfection.
We ensure comprehensive documentation for our Stainless Steel 422 Nuts, including a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. Our extensive testing certificates for Stainless Steel 422 Nuts include MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. Additionally, we provide secure and robust packaging to safeguard the nuts during transit. These meticulous efforts are undertaken to guarantee 100% client satisfaction and ensure the quality and compliance of our Stainless Steel 422 Nuts.
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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