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Aria Fasteners, based in Hamilton, New Zealand, is a reliable manufacturer and supplier known for its top-notch Stainless Steel 304H Bolts. These bolts are perfect for applications that demand high temperature strength and long-lasting durability. With a reputation for precision engineering and rigorous quality control, Aria Fasteners delivers fasteners that not only resist corrosion but also provide dependable mechanical performance. Designed to thrive in tough environments like power plants, industrial processing, and construction sites, these bolts are crafted with advanced manufacturing techniques to ensure each one offers secure fastening, improved load distribution, and lasting performance even under challenging conditions.
The Stainless Steel 304H Bolts are made from a high-carbon version of 304 austenitic stainless steel, featuring about 18–20% chromium, 8–10% nickel, and a bit more carbon than standard 304. This extra carbon boosts their high-temperature tensile strength while still offering excellent corrosion resistance. Mechanically, these bolts stand out with superior tensile and yield strength, reliable hardness, and stability at elevated temperatures. They also resist oxidation and general corrosion, making them ideal for situations where heat resistance and structural integrity are essential.
| 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 304H |
| 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 | U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, Bolts, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, T-Head Bolts, Eye Bolt, Foundation Bolts, Structural Bolts. |
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 bolts are widely used in applications requiring high strength and corrosion resistance at elevated temperatures. They are ideal for applications in chemical, power, and petrochemical industries where durability and operation under extreme conditions are required. These bolts are available in heat exchangers, industrial boilers and air as they are removed from the air. Their resistance to high temperatures and environmental corrosion makes them suitable for critical insulation in complex applications, providing reliability and durability.
You’ll find Stainless Steel 304H Bolts commonly used in high-temperature and moderately corrosive settings. They’re often found in boilers, heat exchangers, pressure vessels, industrial ovens, and piping systems. Additionally, they’re suitable for petrochemical plants, power generation equipment, and structural components that face thermal cycling. Thanks to their blend of mechanical strength, heat resistance, and corrosion protection, Stainless Steel 304H Bolts offer trustworthy fastening solutions for industrial, commercial, and high-temperature engineering needs.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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