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Punit Fasteners is a well-respected manufacturer and supplier of Stainless Steel 304H Bolts based in Delhi, India. We take pride in providing top-notch fasteners that meet international quality standards, serving a diverse array of industrial needs. Our SS 304H Bolts are crafted from high-quality raw materials and utilize advanced manufacturing techniques to guarantee exceptional strength, heat resistance, and durability. Specifically designed for high-temperature settings, these bolts are trusted across industries like petrochemical, power generation, and oil & gas. With a commitment to timely delivery and customer satisfaction, Punit Fasteners has earned a solid reputation in the stainless steel fastener market.
Stainless Steel 304H Bolts primarily consist of iron, featuring 18–20% chromium and 8–11% nickel, along with a higher carbon content (0.04–0.10%) compared to standard 304, which boosts their high-temperature strength. These bolts boast impressive mechanical properties, including a tensile strength of about 515 MPa and a yield strength of 205 MPa. They also demonstrate excellent ductility, toughness, and resistance to corrosion. The increased carbon content improves their creep resistance, making them ideal for high-temperature applications without sacrificing long-term performance or structural integrity under stress.
| 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 commonly used in situations that demand both corrosion resistance and high-temperature strength. They are perfect for heat exchangers, pressure vessels, boilers, and piping systems in the chemical and petrochemical sectors. Their durability makes them a great fit for power generation plants, refineries, and thermal processing equipment. Additionally, these bolts find applications in construction, marine environments, and high-temperature industrial furnaces. Thanks to their outstanding weldability and oxidation resistance, SS 304H Bolts are the go-to choice for critical fastening tasks where both mechanical performance and longevity are crucial.
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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