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Punit Fasteners, located in Delhi, India, is a trusted manufacturer and supplier of Alloy Steel Nuts designed for heavy-duty and high-stress fastening applications. These nuts are made from high-strength alloy steels and are widely used in sectors that demand high load-bearing capacity, thermal resistance, and stability. Our Alloy Steel Nuts are heat-treated and finished to meet the needs of critical industries like power generation, oil and gas, construction, and transportation. With strict quality control and adherence to international standards, Punit Fasteners provides durable, precise, and reliable fastening solutions for demanding situations.
Alloy Steel Nuts contain various alloying elements, including chromium, molybdenum, manganese, and vanadium, which improve their mechanical and thermal performance. These nuts demonstrate high tensile strength (up to 1000 MPa), excellent hardness, and great fatigue resistance. Heat treatment processes like quenching and tempering boost their wear and impact resistance. Alloy Steel Nuts maintain strength and dimensional accuracy in high-pressure, high-temperature settings and resist mechanical shock. This makes them suitable for load-bearing connections in heavy industry and critical infrastructure.
| 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 Nuts are commonly used in construction, mechanical engineering, oil refineries, chemical plants, and automotive manufacturing. They provide secure fastening for structural steel joints, pressure vessels, pipelines, and turbines. In energy and transportation sectors, they operate reliably in engines, gear systems, and vibration-prone machinery. Their high fatigue resistance makes them ideal for bridges, tall buildings, and large mechanical assemblies. They also serve in mining and material handling equipment, offering a long service life under repeated loading. Alloy steel nuts are essential in fastening solutions where strength and thermal performance are critical for safety and efficiency.
At Punit Fasteners, we take extra care in packaging of our Alloy Steel nuts so that they reach our clients in the best state possible. Every nut is also covered with protective materials to avoid being affected by damage, corrosion or contamination during transportation. We employ sturdy cartons and provide the services of packaging that suits your needs in the best way. Clear labeling and packing also help in the identification and handling of the products, which is a sign of our ability to provide 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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