Premium-grade stainless steel 304H bolts made for high-temperature and high-pressure applications are available from Vinit Stainless, a well-known stainless steel fastener manufacturer and supplier with headquarters in Chennai, India. In harsh industrial settings, our SS 304H bolts are designed to provide exceptional mechanical strength and resistance to oxidation. Precision manufacturing, global quality standards, and reliable performance are our top priorities at Vinit Stainless in order to serve customers in the petrochemical, construction, and power generation sectors. We are a reputable supplier in both domestic and international markets because our 304H bolts offer a dependable fastening solution where high temperatures and structural integrity are crucial.
High-carbon stainless steel 304H bolts have a carbon content of 0.04 to 0.10 percent, which increases their strength at high temperatures. Nickel (8–11%) and chromium (18–20%) make up the usual composition, which provides good resistance to oxidation and corrosion. These bolts have an approximate elongation of 40%, a yield strength of 240 MPa, and a tensile strength of 585 MPa. Even when subjected to heat stress, their austenitic structure guarantees exceptional toughness. SS 304H bolts are perfect for structural and pressure applications at high temperatures because of their enhanced creep resistance due to their higher carbon content.
|
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.
High-temperature devices like pressure vessels, boilers, superheaters, and heat exchangers frequently use stainless steel 304H bolts. Power plants, petrochemical plants, oil refineries, and other industrial settings where resistance to heat and mechanical stress is crucial are especially well-suited for them. These bolts are preferred because of their exceptional creep strength, which makes them dependable even when exposed to high temperatures for extended periods of time. Furthermore, SS 304H bolts are utilised in heat-resistant fabrication and piping systems, among other structural elements exposed to high temperatures and pressure. They are a favoured option for vital infrastructure projects due to their resilience in oxidising conditions and performance under stress.
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