Located in Mumbai, India, Harsh Metalloys is a reputable brand in the production and distribution of high-performance stainless steel 310H fasteners, made to withstand harsh temperatures and corrosive environments. Using high-quality raw materials and contemporary manufacturing processes, our SS 310H fasteners are designed to have exceptional mechanical strength, durability, and heat resistance. Demanding industries like thermal processing, petrochemicals, and power generation make extensive use of these fasteners. As a leading provider of dependable and effective fastening solutions in India and abroad, Harsh Metalloys is dedicated to producing high-quality products that satisfy international standards.
High-temperature strength and creep resistance are improved by stainless steel 310H fasteners, which have a higher carbon content (≥0.04%) than 310S and contain 24–26% chromium and 19–22% nickel. These fasteners maintain their structural stability under heat stress and show exceptional oxidation resistance up to 1100°C. Tensile strength of roughly 515 MPa, yield strength of 205 MPa, and elongation of about 40% are among the mechanical characteristics. SS 310H fasteners are appropriate for use in high-heat, high-pressure, and corrosive service conditions due to their mechanical performance and thermal resilience.
| Standard | ASTM A193,A194 / ASME SA193,SA194 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 310H | 0.04 – 0.10 | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 – 26.00 | – | 19.00 – 21.00 | 53.885 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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Stainless Steel 310H Nuts offer exceptional corrosion resistance and are engineered to endure high temperatures and harsh environments. Available in sizes ranging from M6 to M30, these nuts provide superior strength and durability, making them well-suited for demanding high-temperature applications.
SS 310H Stud Bolts offer outstanding resistance to oxidation and corrosion. Typically available in diameters from M8 to M36 and lengths up to 3 meters, these stud bolts are used in high-temperature environments where strength and reliability are crucial.
These SS 310H Bolts provide exceptional resistance to high temperatures and corrosive environments. Available in sizes from M6 to M36, they are used in applications requiring both strength and resistance to oxidation. Their durability makes them suitable for extreme conditions.
With high resistance to oxidation and corrosion, Stainless Steel 310H threaded rods are available in diameters ranging from M6 to M30 and lengths up to 3 meters. They are ideal for use in high-temperature applications and harsh chemical environments.
Stainless Steel 310H screws offer excellent resistance to high temperatures and corrosive environments. Sizes typically range from M3 to M12, and they are used in applications where strength and thermal stability are essential, such as in industrial and marine settings.
These washers provide superior corrosion and oxidation resistance. Available in standard sizes from M6 to M36, Stainless Steel 310H washers distribute the load evenly and prevent damage to the surface in high-temperature and corrosive environments.
Industrial applications requiring strength, durability, and resistance to high temperatures frequently use stainless steel 310H fasteners. Heat exchangers, boilers, furnaces, and thermal processing units are frequently used in sectors like oil and gas, chemical processing, and power generation. Additionally, these fasteners are used in reactor vessels, exhaust systems, superheaters, and incinerators where materials need to withstand thermal fatigue and oxidation. They are perfect for structural assemblies subjected to harsh environments because of their robust mechanical qualities. When securing components in heavy-duty systems that need to function reliably under extended exposure to high temperatures and corrosive substances, SS 310H fasteners are an essential option.
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