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At Hazlewood Fasteners, we manufacture and supply high-grade Stainless Steel 304H Stud Bolts in Canberra, Australia, designed for superior performance in high-temperature and corrosive environments. As the high-carbon variant of 304 stainless steel, 304H offers enhanced strength, toughness, and resistance to heat-induced scaling. These stud bolts are ideal for industries that demand durability, stability, and precision fastening under pressure. Whether used in boilers, heat exchangers, or power plants, Hazlewood Fasteners’ 304H Stud Bolts combine advanced metallurgy with expert craftsmanship to deliver fastening solutions built to endure harsh industrial conditions and long service life.
Stainless Steel 304H Stud Bolts are composed of approximately 18–20% chromium, 8–10.5% nickel, and an elevated carbon content (0.04–0.10%) for improved high-temperature strength. This composition enhances tensile strength to around 515 MPa and yield strength to about 205 MPa. The alloy exhibits excellent oxidation resistance and retains mechanical stability during prolonged exposure to elevated temperatures. Its austenitic structure ensures superior toughness, corrosion resistance, and weldability, making it suitable for high-stress, high-temperature applications in demanding environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | – | |
| 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 | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
| Grade | Stainless Steel 304, 304H, 304L |
| Specifications | ASTM A193 / ASME SA193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs |
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 304H Stud Bolts are widely used in power generation, petrochemical, chemical processing, and heat exchanger applications. Their ability to withstand high temperatures and pressure makes them ideal for boilers, superheaters, steam lines, and pressure vessels. These stud bolts are also utilized in refineries, food processing units, and pharmaceutical equipment where hygiene and corrosion resistance are critical. In both industrial and structural applications, Hazlewood Fasteners’ 304H Stud Bolts ensure secure connections, long-term reliability, and exceptional performance in aggressive and heat-intensive operating environments.
Our Stainless Steel 304H stud bolts are carefully installed to prevent damage during transport. We use sustainable timber or sturdy boxes that meet international standards. Each bolt is marked with our company logo, grade, size and lot number. We offer complete documentation, including EN 10204-3.1 and EN 10204-3.2 certificates, material certificates, NABL-approved laboratory test reports, and professional test certificates. In addition, we include 100% radiographic and third-party inspection reports to ensure strict quality control and adherence to industry standards.
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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