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At Hazlewood Fasteners in Canberra, we don’t just make bolts—we craft precision anchors built to endure. Our stainless steel 446 stud bolts are engineered to face extremes, combining resilience and elegance in every thread. Designed for demanding industrial environments, they promise unwavering performance where failure is not an option. From high-temperature applications to corrosive settings, Hazlewood Fasteners delivers bolts that hold structures, machinery, and critical assemblies with confidence. When you choose our 446 stud bolts, you’re investing in more than hardware—you’re securing reliability, longevity, and peace of mind for projects that demand nothing less than excellence.
Stainless steel 446 stud bolts are forged from a high-chromium, low-nickel alloy, optimized for exceptional resistance to heat, corrosion, and chemical attack. Their microstructure delivers superior tensile strength, toughness, and creep resistance, making them ideal for high-temperature, high-stress environments. Precision heat treatment enhances hardness and dimensional stability, ensuring every bolt maintains its grip under extreme conditions. The result is a fastening solution that blends structural integrity with endurance, offering engineers and builders a dependable, long-lasting performance that thrives where ordinary fasteners fail.
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.20 | 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 |
| 446 Stud Bolt Specifications | ASTM A /SA 193 / 194 |
| 446 Stud Bolt Dimensions | ASTM,DIN, BS,GB, IS and all International Standards |
| 446 Stud Bolt Length | 3 mm to 200 mm |
| 446 Stud Bolts Size | M02 to M33 | Custom Sizes |
| 446 Stud Bolt Type | Stud Bolts, Heavy Stud bolt, Tie Bar, Tie Rod, Continuous Threaded Stud Bolts (Fully Threaded Studs without Chamfered Ends), Tap End Stud Bolts, Double End Stud Bolts, Double End Stud Bolts with Reduced Shank, Flange Stud Bolts (Fully Threaded Studs with Chamfered Ends), MS Stud Bolts, Metric Thread Stud Bolt, Rough Forged Stud Bolts, Stud Half Thread Bolts etc. |
| 446 Stud Bolts Coating |
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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 stud bolts excel in the harshest arenas. Perfect for power generation, petrochemical plants, and high-temperature industrial processes, they maintain strength and integrity even under severe heat and chemical exposure. They’re essential in furnace assemblies, boiler connections, and exhaust systems, where conventional fasteners would corrode or deform. Marine and offshore structures also benefit from their superior corrosion resistance. Beyond heavy industry, they’re trusted in critical infrastructure and high-performance machinery, anchoring vital components with unwavering reliability. Essentially, 446 stud bolts are the ultimate guardians of stability, holding together the backbone of demanding projects with quiet, relentless strength.
We provide full documentation through our Stainless Steel 446 Stud Bolts to ensure complete transparency and quality control. This includes commercial invoices, packaging documents, thermal operating systems, fume certificates, and quality control systems. In addition, we provide NABL-approved laboratory test reports, MTC according to EN 10204/3.1b, PMI test certificates, 100% radiography test reports, and third-party inspection certificates. Our complete documentation underscores our commitment to excellence and 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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