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Punit Fasteners, a well-respected manufacturer and supplier located in Delhi, India, specializes in precision-engineered Stainless Steel 304H Stud Bolts, perfect for high-temperature and pressure-critical applications. SS 304H is the high-carbon version of 304 stainless steel, crafted to deliver enhanced strength and creep resistance when temperatures rise. These stud bolts are a great fit for power plants, heat exchangers, boilers, and chemical processing equipment. Adhering to international standards, Punit Fasteners provides 304H stud bolts in a variety of lengths, thread forms, and coatings. Renowned for their quality, reliability, and performance, the company caters to clients in the energy, petrochemical, and heavy engineering sectors.
Stainless Steel 304H Stud Bolts are composed of 18–20% chromium, 8–11% nickel, and a higher carbon content (0.04–0.10%) than standard SS 304. This increased carbon content boosts high-temperature strength and creep resistance, allowing SS 304H to perform well at temperatures up to 800°C (1472°F). These bolts boast a tensile strength ranging from 515–750 MPa and a yield strength of 205–310 MPa. The alloy is known for its good corrosion resistance, excellent weldability, and non-magnetic properties in the annealed state. SS 304H is particularly suited for applications where thermal stability and mechanical strength are vital during prolonged exposure to high temperatures.
| 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 find extensive use in high-temperature environments like power generation plants, oil refineries, heat exchangers, pressure vessels, and industrial boilers. Their superior creep resistance and tensile strength make them ideal for components that experience thermal stress and cyclic loading. SS 304H is also utilized in chemical and petrochemical processing systems where heat and corrosion resistance are critical. These stud bolts are perfect for flanged joints, structural supports, and pressure containment applications.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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