Harsh Metalloys, located in Mumbai, India, has built a solid reputation as a manufacturer and supplier of top-notch Stainless Steel 304H Bolts. Renowned for their impressive strength, high-temperature performance, and resistance to corrosion, our 304H bolts are perfect for tough industrial applications. With a higher carbon content compared to standard 304, these bolts offer improved mechanical properties, especially in high-heat environments. Crafted to meet international standards like ASTM, ASME, and DIN, our bolts guarantee precision, reliability, and durability. At Harsh Metalloys, we’re dedicated to providing high-quality fastening solutions with prompt service, making us a reliable partner in global supply chains.
Stainless Steel 304H Bolts are made up of Chromium (18–20%), Nickel (8–11%), Carbon (0.04–0.10%), Manganese (≤2%), Silicon (≤1%), Phosphorus (≤0.045%), and Sulfur (≤0.03%). These bolts are designed for exceptional strength at high temperatures and resistance to oxidation. Their mechanical properties include a tensile strength of at least 515 MPa, yield strength of at least 205 MPa, elongation of at least 40%, and hardness of no more than 95 HRB. The increased carbon content in 304H enhances creep resistance, making these bolts ideal for pressure and heat-intensive settings while still offering excellent corrosion resistance.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 304H Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 304H |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 304H |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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Stainless Steel 304H bolts are high-carbon, heat-resistant fasteners known for their excellent strength and corrosion resistance. They are ideal for high-temperature applications in industries like power generation and petrochemicals.
Custom Stainless Steel 304H Hex Bolts are tailored fasteners with hexagonal heads, providing excellent heat resistance and strength. Ideal for hot and complex industrial applications.
Stainless Steel 304H leg bolt is a high-strength, heat-resistant fastener with a threaded shaft and flat, leg-like design. It provides durability and performance in high-temperature and demanding applications.
Stainless Steel 304H expansion anchor bolt secures fixtures in concrete or masonry, offering excellent heat resistance and strength. Ideal for high-temperature environments and demanding industrial applications requiring durability.
Stainless Steel 304H hex flange head bolt features a hexagonal head with an integrated flange, providing secure fastening and load distribution. It offers excellent heat resistance for high-temperature applications.
Stainless Steel 304H full threaded bolts have a completely threaded shaft for consistent engagement. They provide high strength and heat resistance, suitable for high-temperature and demanding industrial applications.
Stainless Steel 304H Bolts are a go-to choice in industries that deal with high temperatures and intense stress, like power generation, petrochemicals, oil and gas, refineries, and heat treatment plants. They’re perfect for securing parts in boilers, heat exchangers, superheaters, and pressure vessels. Thanks to their impressive strength and resistance to oxidation, these bolts can handle structural connections that face extreme thermal conditions. You’ll also find them in industrial furnaces, piping systems, and various heavy-duty mechanical setups. Their durability, resistance to corrosion, and stability under thermal stress make them a reliable option for even the toughest applications.
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