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Puri Fasteners, based in Chennai, stands out as a top manufacturer and supplier of premium fasteners, with a focus on Stainless Steel 304H Bolts. Renowned for their precision, durability, and exceptional performance at high temperatures, Puri Fasteners guarantees that every product adheres to strict industrial standards. These bolts are specifically designed to endure high temperatures while offering outstanding corrosion resistance and mechanical strength. Catering to sectors like power generation, chemical processing, petrochemical, marine, and industrial machinery, Puri Fasteners ensures prompt delivery, tailored solutions, and competitive pricing. Their dedication to quality and reliability makes these bolts a go-to choice for critical and high-performance fastening needs.
Stainless Steel 304H Bolts are mainly made of iron, featuring 18–20% chromium, 8–10% nickel, and a carefully controlled carbon content above 0.04%, which boosts their high-temperature strength. This austenitic stainless steel is known for its excellent corrosion resistance and ability to maintain mechanical integrity even at elevated temperatures. In terms of mechanics, SS 304H Bolts showcase high tensile and yield strength, along with good ductility and toughness, making them perfect for handling thermal stress and mechanical loads. They resist oxidation, scaling, and deformation, ensuring long-lasting durability. Precision manufacturing guarantees consistent threading and dependable performance, making Stainless Steel 304H Bolts ideal for demanding industrial and high-temperature applications.
| 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 find extensive use in industries that demand high-temperature strength and corrosion-resistant fastening solutions. They are particularly suited for power plants, boilers, heat exchangers, chemical and petrochemical facilities, and marine equipment. These bolts are frequently utilized in pressure vessels, ensuring safety and reliability in critical applications. Their robust design and material properties make them a preferred choice for engineers and manufacturers looking for dependable fastening solutions in challenging environments. Whether in construction, energy, or manufacturing, Stainless Steel 304H Bolts play a vital role in maintaining the integrity and performance of various systems.
Our commitment to quality is demonstrated by the rigorous testing procedures we apply to all our Stainless Steel 304H bolts before delivery. Some advanced tests include hardness, chemical analysis by Spectro analysis, positive material identification (PMI), levelling, micro-macro, pitting resistance, flare, and intergranular corrosion (IGC) tests. Among these high standards, we also issue commercial invoices and packaging lists; we provide necessary documents such as certificates of origin and documents proving the legality of the Trade Group or Embassy. To further ensure customer satisfaction, we offer third-party inspection certificates, proving our 304H bolts are quality and reliable for various applications.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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