Based in Delhi, India, Harshita Stainless is a respectable producer and supplier of stainless steel 304H fasteners, providing premium fastening solutions for applications requiring high temperatures and pressures. Power generation, petrochemicals, and refineries are among the industrial sectors that benefit greatly from the strength and durability of SS 304H fasteners. Harshita Stainless guarantees that these fasteners are expertly made with top-quality raw materials and cutting-edge technology. The business is now known for providing dependable stainless steel fasteners in India and abroad thanks to its strong dedication to quality control, prompt delivery, and customer satisfaction.
High-carbon stainless steel 304H fasteners have a carbon content of 0.04% to 0.10%, 18–20% chromium, and 8–11% nickel. Strength at higher temperatures is improved by the higher carbon content. The tensile strength, yield strength, and elongation of these fasteners are approximately 585 MPa, 240 MPa, and 40%, respectively. When exposed to temperatures above 500°C, SS 304H maintains its exceptional mechanical qualities and resistance to oxidation. With good weldability and corrosion resistance, 304H fasteners are ideal for high-temperature applications requiring both strength and durability.
| Grade | Stainless Steel 304H |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Form | Nuts, Bolts, Washers, Screw |
| Types | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners etc |
| Packing of Stainless-Steel Fasteners: | IN BULK: pallet, canton, carton / small boxes / pallet or customer request |
| 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 |
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Known for their excellent corrosion resistance, Stainless Steel 304H Bolts are available in various sizes, typically from M6 to M30. They offer high strength and durability, making them suitable for high-temperature applications and harsh environments.
Offering superior corrosion resistance, Stainless Steel 304H Nuts are designed to match the bolts in size, ranging from M6 to M30. They ensure a secure and reliable fastening solution, particularly in applications subjected to elevated temperatures and corrosive conditions.
With exceptional corrosion resistance, Stainless Steel 304H Stud Bolts come in sizes from M6 to M30, providing reliable performance in high-temperature environments. They feature high tensile strength and are used in various industrial applications.
Stainless Steel 304H screws, known for their outstanding corrosion resistance, are available in sizes ranging from M6 to M30. They offer durability and strength for various applications, including those exposed to extreme conditions.
Renowned for their corrosion resistance, Stainless Steel 304H threaded rods are available in lengths from 300mm to 3000mm and diameters ranging from M6 to M30. They provide strength and reliability in high-temperature and corrosive environments.
Offering high corrosion resistance, Stainless Steel 304H washers are available in sizes that match standard bolt dimensions, ranging from M6 to M30. They ensure proper load distribution and prevent loosening in high-temperature and corrosive conditions.
We put our Stainless Steel 304H Fasteners through various tests to guarantee high quality. The tests include hardness test, chemical analysis, Positive Material Identification (PMI), flattening tests, micro/macro examinations, pitting resistance evaluations, flaring tests, and Intergranular Corrosion (IGC) tests. Each of the fasteners undergoes an intensive inspection to ascertain that it can stand up to the high standards set in the industry for better performance and reliability. All efforts and measures to quality ensure that Stainless Steel 304H Fasteners provide strength, durability, and resistance in various industrial uses.
In high-temperature and high-pressure settings where strength and resistance to corrosion are essential, stainless steel 304H fasteners are widely utilised. Boilers, heat exchangers, pressure vessels, superheaters, equipment used in oil and gas processing, and power plants are examples of common applications. They are also utilised in the petrochemical and chemical industries for structural joints, flanged connections, and equipment that is subjected to high temperatures. The higher carbon content allows them to maintain mechanical integrity under thermal stress, making them suitable for long-term service in aggressive environments. Their excellent weldability and oxidation resistance ensure consistent performance in critical fastening applications.
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