High-quality stainless steel 304H fasteners made for high-temperature and high-pressure applications are available from Vinit Stainless, a well-known manufacturer and supplier in Chennai, India. A high-carbon variant of 304 stainless steel, these fasteners offer exceptional strength and heat resistance. To satisfy international industry standards, Vinit Stainless uses precision engineering and cutting-edge quality control methods in the manufacturing of our products. Industries including construction, petrochemicals, refineries, and power generation rely on our SS 304H fasteners. Our goal is to provide dependable, long-lasting fastening solutions that work incredibly well in harsh and hot conditions.
In comparison to 304/304L, stainless steel 304H fasteners have a higher carbon content (0.04–0.10%), nickel (8–11%), and chromium (18–20%). Strength is improved by this increased carbon, particularly at high temperatures. These fasteners have an approximate elongation of 40%, a yield strength of 240 MPa, and a tensile strength of 585 MPa. Excellent toughness and heat resistance are provided by their austenitic structure. Because the increased carbon content in SS 304H fasteners improves creep resistance and preserves mechanical integrity under extended heat stress, they are perfect for use in environments that require elevated temperature service.
| 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.
Boilers, pressure vessels, superheaters, heat exchangers, and other high-temperature and high-pressure settings frequently use stainless steel 304H fasteners. In settings where prolonged heat and stress are typical, such as power plants, refineries, and the chemical and petrochemical industries, they are perfect. They are especially well suited for structural elements subjected to high temperatures because of their high carbon content. Additionally, piping systems that run on thermal cycles, furnace components, and thermal processing equipment all use SS 304H fasteners. They are a dependable option for demanding, heat-intensive fastening applications due to their superior mechanical qualities and resistance to oxidation and scaling.
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