Aditya Stainless stands out as a leading manufacturer and supplier of Stainless Steel 310H Bolts, proudly based in Kolkata, India. We cater to a variety of industrial needs that demand high-temperature strength and resistance to oxidation. Our bolts are made from top-quality SS 310H, a high-carbon variant of SS 310 that boosts creep resistance and strength when the heat is on. Crafted to meet international quality standards, these bolts come in an array of sizes, thread types, and finishes. Perfect for furnace equipment, power plants, and petrochemical facilities, SS 310H bolts deliver outstanding performance even in the toughest, high-heat conditions.
Stainless Steel 310H Bolts are primarily made up of 24–26% chromium and 19–22% nickel, with a higher carbon content (up to 0.10%) that enhances their strength at elevated temperatures. They also include trace amounts of manganese, silicon, and phosphorus. These bolts boast a tensile strength ranging from 515 to 750 MPa, a yield strength of about 205 MPa, and an elongation of 40%, showcasing excellent creep and rupture strength. The increased carbon content provides extra resistance to thermal fatigue and deformation, making 310H bolts perfect for high-temperature applications in demanding industrial settings.
Material | Specification | Standards | Size | Length |
Stainless Steel 310H Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 310H |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
| Element | SS 310H |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
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Stainless Steel 310H bolts are high-performance Fasteners designed for extreme heat environments, offering superior oxidation and corrosion resistance. Ideal for high-temperature applications in industries like petrochemical and aerospace.
Custom Stainless Steel 310H Hex Bolt is a custom-made fastener with a square head, providing excellent thermal resistance for high-temperature industrial and aerospace applications
Stainless Steel 310H leg bolt features a unique leg design for high-temperature applications. It offers excellent heat and corrosion resistance, making it suitable for securing components in extreme industrial environments.
Stainless Steel 310H expansion anchor bolt is a high-temperature resistant fastener designed for anchoring in concrete or masonry. It expands upon installation, ensuring secure and reliable holding in harsh environments
Stainless Steel 310H Hex Flange Head Bolt features a hexagonal head with an integrated flange, providing high heat resistance and excellent corrosion resistance, ideal for secure clamping in demanding industrial applications
Stainless Steel 310H full threaded bolts are high-temperature resistant fasteners with threads running the entire length. They offer superior corrosion and oxidation resistance, ideal for extreme industrial and aerospace applications.
In addition, the bundled MTC, which conforms to the EN 10204/3.1b specification, is offered to our stainless-steel 310H bolts, along with PMI test certificate, radiography test report of 100%, and a third-party inspection certificate. Thus, high quality and reliability are guaranteed in our products, which should give you confidence and satisfaction in buying our products.
SS 310H Bolts find their place in heat exchangers, furnaces, kilns, power generation units, and chemical processing plants, where they face extreme heat and corrosive environments. Their ability to maintain structural integrity at temperatures over 1100°C makes them ideal for refineries, aerospace applications, thermal processing, and exhaust systems. These bolts are the go-to choice for securely fastening components that experience thermal cycling and oxidizing conditions. With their impressive combination of high strength, thermal stability, and corrosion resistance, they ensure durability and reliability in critical industrial assemblies.
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