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Walid Stainless, headquartered in Tunis, Tunisia, is a leading manufacturer and supplier of premium stainless steel products. Among their offerings are Stainless Steel 330 Stud Bolts, engineered for applications requiring exceptional high-temperature strength, oxidation resistance, and long-term durability. These stud bolts are ideal for industrial, chemical, and power-generation assemblies exposed to extreme heat and oxidizing environments. At Walid Stainless, each stud bolt is manufactured with precision and undergoes strict quality control to ensure consistent performance. Clients rely on 330 Stud Bolts for secure, reliable, and long-lasting fastening solutions in demanding high-temperature industrial and mechanical projects.
Stainless Steel 330 Stud Bolts are made from a high-alloy austenitic stainless steel containing approximately 34% nickel, 28% chromium, and small amounts of silicon and copper. This composition provides outstanding resistance to oxidation, scaling, and corrosion at elevated temperatures. These bolts typically exhibit tensile strength between 600–750 MPa and hardness around 180–220 HB. The austenitic structure ensures excellent creep resistance, dimensional stability, and mechanical durability under thermal and mechanical stress. 330 Stud Bolts are suitable for high-temperature, chemically aggressive, and demanding fastening applications requiring long-term reliability.
| 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.
Stainless Steel 330 Stud Bolts are widely used in industries requiring heat-resistant, corrosion-resistant, and durable fastening solutions. They are ideal for furnaces, boilers, heat exchangers, chemical processing equipment, power-generation machinery, and high-temperature structural assemblies. The high-alloy austenitic structure ensures long-term dimensional stability, mechanical reliability, and resistance to scaling and oxidation. Engineers and technicians rely on 330 Stud Bolts for safe, secure, and consistent fastening performance. Walid Stainless ensures that each stud bolt meets strict quality standards, providing dependable materials for chemical, power, and high-temperature industrial projects requiring exceptional strength and corrosion resistance.
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