Request For Our Latest Prices On Alloy Steel Bolts in Kolkata, India!
Rinku Fasteners, a trusted manufacturer and supplier based in Kolkata, India, offers premium-quality Alloy Steel Bolts designed for high-performance industrial applications. Known for their exceptional strength, hardness, and durability, these bolts are engineered to withstand demanding conditions such as high pressure, heavy loads, and elevated temperatures. Rinku Fasteners ensures each bolt is manufactured with precision using advanced technology and strict quality control standards. With superior mechanical stability, long service life, and excellent resistance to wear and fatigue, Alloy Steel Bolts from Rinku Fasteners are widely preferred in construction, engineering, power generation, automotive, and heavy machinery industries across India and international markets.
Alloy Steel Bolts are made from high-grade alloy steels containing chromium, molybdenum, nickel, vanadium, and manganese. These elements enhance the bolt’s tensile strength, hardness, and corrosion resistance. The addition of molybdenum boosts high-temperature stability, while nickel improves toughness and impact resistance. Alloy steels offer excellent yield strength and can withstand heavy mechanical stress without deformation. Their superior fatigue resistance and ability to maintain structural integrity under continuous vibration make them ideal for dynamic environments. Heat-treated for enhanced performance, these bolts deliver reliable strength and long-lasting durability.
| 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 Bolts are used across industries that demand high strength, precision, and long-term reliability. In construction and infrastructure, they are applied in bridges, steel structures, and heavy frameworks. The automotive and transportation sectors use them in engines, suspensions, and high-stress mechanical assemblies. In power plants, refineries, and petrochemical industries, these bolts secure pressure vessels, boilers, heat exchangers, and piping systems. They are also essential in mining equipment, industrial machinery, and wind turbines where extreme load-bearing capacity is required. Their excellent resistance to wear and fatigue ensures safe and efficient performance in critical and high-pressure environments.
We understand the importance of safe packaging of Alloy Steel bolts, and that is why at Rinku Fasteners, we ensure that they get to you in the best condition. Every bolt is covered with protective layers to minimize on shocks, rusting and contaminants from the surrounding environment. Our packaging is done using cartons that are long-lasting, and we have the ability to meet your packaging needs as desired. By properly labeling and packing, we ensure identification and handling of the products are made easy in order to portray the aspect of quality delivery with much attention.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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