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Punit Fasteners is a trustworthy manufacturer and supplier of Alloy Steel Stud Bolts in Delhi, India, serving industries that require strength, heat resistance, and durability. These stud bolts can endure heavy loads, thermal changes, and mechanical strain in critical applications. Made from high-strength alloy steels and heat-treated for the best performance, they are perfect for power plants, petrochemical facilities, and heavy engineering projects. With consistent quality and precise threading, Punit Fasteners guarantees that every alloy steel stud bolt provides reliable fastening under pressure, vibration, and extreme temperatures.
Alloy Steel Stud Bolts contain alloying elements like chromium, molybdenum, manganese, and vanadium. These improve tensile strength (700–1000 MPa), fatigue resistance, and hardness. Heat treatment processes such as quenching and tempering enhance toughness and wear resistance. The bolts maintain their size and structural strength even under high temperatures or dynamic loads. They resist mechanical deformation, corrosion (with proper coating), and cracking in stressed settings, making them suitable for high-performance, load-bearing installations. Their high mechanical strength makes them favored over carbon steel in demanding applications.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to B6 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Element | Content (%) |
|---|---|
| Iron, Fe | 35 |
| Nickel, Ni | 32-38 |
| Chromium, Cr | 19-21 |
| Copper, Cu | 3-4 |
| Manganese, Mn | ≤2 |
| Molybdenum, Mo | 2-3 |
| Niobium, Nb | ≤1 |
| Silicon, Si | ≤1 |
| Carbon, C | ≤0.07 |
| Phosphorous, P | ≤0.045 |
| Alloy Steel | 0.15 max | 0.3 – 0.6 | 0.035 | 0.03 | 0.5 max | 4.00 – 6.00 | 0.45 – 0.65 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Alloy Steel Stud Bolts are used in pressure vessels, boilers, reactors, turbines, pipelines, and steel structures. They are prevalent in industries like oil & gas, chemical processing, energy production, and heavy machinery manufacturing. These bolts guarantee secure fastening in flanged connections under heat and mechanical stress. In automotive and mining uses, they hold components together under vibration and heavy loads. Their resistance to wear and high pressure also makes them suitable for rotating equipment and high-temperature service. In civil engineering, they are utilized in bridges, tunnels, and infrastructure needing durable, heavy-duty fasteners.
At Punit Fasteners, we take extra care while packing our Alloy Steel stud bolts so that they reach you in the best condition. Every stud bolt is protected individually with some form of cover to minimize on the possibility of damaging, corroding or getting contaminated during transportation. We work with sturdy cartons and have a variety of packaging options depending on your needs. Proper labeling and packing ensures that products are easily identified and handled to meet the intended purpose of delivering quality products in good condition.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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