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Aditya Stainless has built a solid reputation as a reliable manufacturer and supplier of Stainless Steel 330 Stud Bolts right in Kolkata, India. They provide top-notch fastening solutions that can handle extreme temperatures and corrosive environments with ease. Crafted from a special austenitic nickel-chromium-iron alloy, these stud bolts are engineered to resist oxidation, carburization, and thermal cycling, even at high temperatures. You’ll find them commonly used in heat treatment equipment, furnaces, petrochemical plants, and power generation facilities, thanks to their impressive dimensional stability and mechanical integrity under stress. Aditya Stainless is committed to maintaining strict quality control and meeting global standards like ASTM B511, B535, and DIN specifications.
Stainless Steel 330 Stud Bolts are made up of 34–37% nickel, 17–20% chromium, 1.0–1.5% silicon, along with trace amounts of carbon and manganese, which together provide outstanding oxidation resistance and creep strength. These bolts boast a tensile strength of up to 620 MPa and a yield strength of around 280 MPa, all while keeping their mechanical properties intact even at elevated temperatures exceeding 1150°C (2100°F). The unique alloy structure helps resist scaling and carburization, making it a perfect fit for high-heat applications. Stainless Steel 330 is known for delivering reliable long-term performance in challenging and fluctuating thermal environments.
| Material | Specification | Standards | Length | Size |
| 330 Stainless Steel Fasteners | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
| Component | Wt. % |
| C | Max 0.08 |
| Cr | 19 |
| Fe | 42 |
| Mn | Max 2 |
| Ni | 36 |
| P | Max 0.04 |
| S | Max 0.03 |
| Si | Max 1.13 |
| Hardness, Brinell | 139 | 139 | Converted from Rockwell B hardness. |
| Hardness, Knoop | 155 | 155 | Converted from Rockwell B hardness. |
| Hardness, Rockwell B | 80 | 80 | |
| Hardness, Vickers | 153 | 153 | Converted from Rockwell B hardness. |
| Tensile Strength, Ultimate | 585 MPa | 84800 psi | |
| Tensile Strength, Yield | 290 MPa | 42100 psi | at 0.2% offset |
| Elongation at Break | 45 % | 45 % | in 50 mm |
| Modulus of Elasticity | 197 GPa | 28600 ksi | at 21°C, 179 GPa at 315°C, 164 GPa at 540°C, 145 GPa at 760°C, 134 GPa at 870°C, 124 GPa at 980°C |
| Charpy Impact | 325 J | 240 ft-lb | Annealed |
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Stainless Steel 330 Stud Anchor Bolts offer superior high-temperature and corrosion resistance. Ideal for heavy-duty applications, they ensure secure anchoring in extreme environments like furnaces, petrochemical plants, and industrial machinery.
Stainless Steel 330 Stud Exhaust Bolts provide exceptional high-temperature and corrosion resistance, making them ideal for exhaust systems in industrial applications. They ensure durable, reliable fastening in extreme heat environments.
Stainless Steel 330 Hex Stud Bolts offer high-temperature and corrosion resistance, ideal for industrial applications. They ensure reliable, durable fastening in extreme environments such as furnaces and petrochemical facilities.
We have a high-quality assurance of the complete transparency of our Stainless Steel 330 Stud Bolts. The orders come along with some documents, like a commercial invoice, a packing list, a fumigation certificate, a heat treatment chart, and a NABL-approved lab test report. Material Test Certificates per EN 10204/3.1b, PMI Test Certificates, 100% radiography test reports, and Third-Party Inspection Certificates are provided by us. We arrange all of our documentation completely for maximum client satisfaction.
When it comes to high-temperature, high-stress environments, Stainless Steel 330 Stud Bolts are the go-to choice. They find their place in a variety of applications, including industrial furnaces, heat exchangers, thermal processing systems, gas turbines, refinery reactors, and chemical plants. Their ability to withstand thermal fatigue, oxidation, and carburizing atmospheres makes them perfect for securing components in radiant tubes, burner assemblies, and superheaters. You’ll also see these stud bolts in waste incinerators, cement kilns, and annealing equipment, where traditional fasteners would struggle under such extreme conditions. Their durability and metallurgical stability truly set them apart.
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