Home > Stud Bolts > Stainless Steel 304H Stud Bolts
Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, specializes in top-notch Stainless Steel 304H Stud Bolts. These bolts are celebrated for their remarkable strength, durability, and ability to withstand high temperatures. Crafted with cutting-edge production methods and high-quality raw materials, they meet international quality standards. The high-carbon variant of 304, known as Stainless Steel 304H, offers enhanced mechanical strength and exceptional heat resistance, making it perfect for high-temperature applications. Kyaw Stainless provides 304H stud bolts in a variety of sizes and grades, catering to industries like petrochemical, power generation, marine, and construction.
Stainless Steel 304H Stud Bolts are made up of chromium (18–20%), nickel (8–12%), and carbon (0.04–0.10%), along with small amounts of manganese (≤2%), silicon (≤1%), phosphorus (≤0.045%), and sulfur (≤0.03%). The increased carbon content boosts high-temperature strength and creep resistance while ensuring excellent corrosion resistance. In terms of mechanical properties, these bolts boast a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of roughly 40%. They maintain outstanding toughness, hardness, and oxidation resistance, even when exposed to temperatures as high as 870°C.
| 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 |
| 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 |
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Superior strength and corrosion resistance, adhering to DIN standards. Ideal for general-purpose applications, they ensure reliable performance in various industrial settings.
High strength and excellent resistance to corrosion and high temperatures. Suitable for demanding industrial applications, they ensure durability and reliability in challenging environments.
High strength with a sleek, flush design, ideal for applications requiring minimal protrusion. They offer excellent corrosion resistance and durability in harsh environments.
Stainless Steel 304H Stud Bolts consist of carbon (0.04-0.10%), chromium (18-20%), nickel (8-11%), manganese (≤2%), silicon (≤1%), phosphorus (≤0.045%), and sulfur (≤0.03%), which adds to the strength and resistance against corrosion. Their physical properties are tensile strength of ≥515 MPa, yield strength of ≥205 MPa, elongation of ≥40%, and hardness of ≤217 Brinell (HB). The physical characteristics have a density of 8.0 g/cm³, melting point of 1400-1450°C, thermal conductivity of 16.2 W/m·K, and electrical resistivity of 720 nΩ·m, making them suitable for high-temperature applications.
Stainless Steel 304H Stud Bolts are extensively utilized in industries that require reliable fastening solutions for high-temperature and high-pressure environments. They are perfect for applications in boilers, heat exchangers, pressure vessels, and furnace components. These bolts also find their place in refineries, petrochemical plants, and thermal power stations, where strength and corrosion resistance at elevated temperatures are essential. Furthermore, they are suitable for marine and structural applications that face harsh conditions. With their impressive combination of mechanical strength, temperature resilience, and corrosion protection, Stainless Steel 304H Stud Bolts provide dependable and long-lasting performance.
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