Alloy 48 Round Bars Manufacturer, Stockist and Exporter
Alloy 48 Round Bars are a premium-grade nickel-iron alloy known for their excellent magnetic properties and thermal expansion characteristics. This alloy contains approximately 48% nickel, providing remarkable dimensional stability and resistance to thermal stress. These round bars are widely used in various industrial sectors such as electronic, electrical, and mechanical engineering, where precision and durability are critical. The combination of strength, corrosion resistance, and magnetic permeability makes Alloy 48 a preferred choice for sensitive instrumentation and high-performance applications.
Alloy 48 Round Bars exhibit an exceptional balance of mechanical strength and magnetic qualities, which makes them ideal for use in transformer cores, relays, and electromagnetic components. Their controlled thermal expansion ensures they maintain dimensional accuracy even under fluctuating temperatures. This stability is especially beneficial for manufacturing precision parts in aerospace and electronics industries. Additionally, these bars can be easily machined, welded, and fabricated, allowing manufacturers to create customized shapes and components for specialized requirements.
The chemical composition of Alloy 48 includes nickel, iron, and trace elements that contribute to its unique characteristics. Nickel enhances corrosion resistance and toughness, while iron contributes to magnetic properties and structural integrity. The alloy’s microstructure ensures consistent performance and minimal distortion during thermal cycling. Its excellent resistance to oxidation and scaling also adds to its longevity, making it suitable for both high-temperature and cryogenic applications.
Worldwide Alloy 48 Round Bars Manufacturer, Stockist and Exporter
One of the major benefits of Alloy 48 Round Bars is their compatibility with glass and ceramics due to their closely matched thermal expansion coefficients. This makes them perfect for sealing applications in vacuum tubes, electronic components, and hermetic enclosures. These bars also perform exceptionally well under high vacuum and in environments where thermal precision is essential. The low expansion rate ensures that joints and seals remain intact, even under rapid temperature variations.
In terms of fabrication, Alloy 48 Round Bars can be processed through standard forming, welding, and machining techniques. They respond well to both hot and cold working processes, ensuring high-quality finishes and mechanical precision. Heat treatment processes can also be applied to enhance their mechanical and magnetic performance. Moreover, their ease of fabrication makes them suitable for producing a wide variety of components, including rings, rods, pins, and fasteners.
These round bars are also recognized for their outstanding performance in precision measuring instruments and telecommunication equipment. Their dimensional consistency and low expansion properties help maintain stability in sensitive instruments that require long-term accuracy. Additionally, Alloy 48 Round Bars are often utilized in motor components, thermostats, and electronic devices where magnetic control is crucial. Their ability to maintain magnetism and mechanical properties over time adds significant reliability to end-use applications.
Overall, Alloy 48 Round Bars represent a perfect blend of strength, durability, and precision. Their adaptability across industries such as aerospace, electronics, automotive, and instrumentation demonstrates their engineering excellence. Whether used in magnetic circuits or precision sealing components, these bars deliver outstanding results and long-term reliability. Manufacturers and engineers prefer Alloy 48 for its exceptional thermal control and dependable performance under extreme operating conditions, making it a trusted material for advanced technological applications.
Alloy 48 Round Bars Specifications
| Specifications | Details |
|---|---|
| Standard | ASTM F30 / DIN 17745 / UNS K94800 / ISO 6208 |
| Size Range | 3 mm to 300 mm Diameter |
| Tolerance | h8, h9, h10 or as per customer requirement |
| Length | 100 mm to 6000 mm (Custom Cut Lengths Available) |
| Finish | Bright, Black, Polished, Peeled, Turned, or Ground |
| Form | Round, Square, Hex, Flat, Billet, Rod |
| Density | 8.20 g/cm³ |
| Melting Point | 1450°C (Approx.) |
| Nickel Content | 47% - 49% |
| Iron Content | Balance |
| Thermal Expansion Coefficient | 9.5 × 10-6 /°C (20°C to 200°C) |
| Magnetic Permeability | High (Varies with Heat Treatment) |
| Applications | Electronics, Aerospace, Glass-to-Metal Seals, Instrumentation, Relays |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 47.0 – 49.0 |
| Iron (Fe) | Balance |
| Manganese (Mn) | ≤ 0.80 |
| Silicon (Si) | ≤ 0.30 |
| Carbon (C) | ≤ 0.05 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Cobalt (Co) | ≤ 0.50 |
| Copper (Cu) | ≤ 0.20 |
| Chromium (Cr) | ≤ 0.25 |
Mechanical Properties
| Property | Value | Condition |
|---|---|---|
| Tensile Strength | 520 – 620 MPa | Annealed |
| Yield Strength (0.2% Offset) | 275 – 345 MPa | Annealed |
| Elongation | ≥ 30% | Annealed |
| Hardness | 150 – 180 HB | Annealed |
| Modulus of Elasticity | 145 GPa | At 20°C |
| Density | 8.20 g/cm³ | At 20°C |
| Poisson’s Ratio | 0.30 | At 20°C |
| Coefficient of Thermal Expansion | 9.5 × 10-6 /°C | 20°C – 200°C |
| Curie Temperature | ~500°C | Approximate |
Dimensions
| Diameter (mm) | Diameter (inch) | Length (mm) | Tolerance | Available Form |
|---|---|---|---|---|
| 3 – 6 | 1/8" – 1/4" | 1000 – 6000 | h9 | Bright / Polished / Peeled |
| 7 – 12 | 5/16" – 1/2" | 1000 – 6000 | h9 | Bright / Peeled / Turned |
| 13 – 25 | 1/2" – 1" | 1000 – 6000 | h10 | Polished / Turned / Ground |
| 26 – 50 | 1" – 2" | 1000 – 6000 | h10 | Black / Bright / Peeled |
| 51 – 100 | 2" – 4" | 1000 – 6000 | h11 | Black / Turned / Polished |
| 101 – 150 | 4" – 6" | 1000 – 6000 | h11 | Forged / Machined |
| 151 – 300 | 6" – 12" | 1000 – 6000 | Custom | Forged / Rolled / Machined |
Equivalent Grades
| Standard | Equivalent Grade | Description |
|---|---|---|
| UNS | K94800 | Nickel-Iron Alloy with 48% Nickel, controlled expansion |
| ASTM | F30 | Specification for Nickel-Iron Alloys for Electronic and Magnetic Applications |
| DIN | 1.3922 | German standard designation for Alloy 48 material |
| ISO | 6208 | International standard for low-expansion nickel-iron alloys |
| Trade Name | Alloy 48 / Nilo 48 / Pernifer 48 | Common commercial names for the same composition |
| JIS | NW9480 | Japanese Industrial Standard equivalent grade |
Weight Chart (Approx.)
| Diameter (mm) | Diameter (inch) | Weight per Meter (kg) | Weight per Foot (kg) |
|---|---|---|---|
| 6 | 1/4" | 0.22 | 0.067 |
| 10 | 3/8" | 0.62 | 0.189 |
| 12 | 1/2" | 0.89 | 0.271 |
| 16 | 5/8" | 1.58 | 0.482 |
| 20 | 3/4" | 2.46 | 0.751 |
| 25 | 1" | 3.85 | 1.174 |
| 30 | 1-1/4" | 5.54 | 1.689 |
| 40 | 1-1/2" | 9.86 | 3.005 |
| 50 | 2" | 15.39 | 4.689 |
| 75 | 3" | 34.69 | 10.572 |
| 100 | 4" | 61.57 | 18.767 |
The applications of our Alloy 48 round bars include oil & gas projects, chemical processing plants, desalination systems, shipbuilding, aerospace, automotive, and heavy engineering. With superior resistance to oxidation and stress corrosion cracking, our bars perform reliably in extreme environments. Whether it is for large-scale infrastructure projects in Mumbai or precision engineering in Germany and the USA, Shakti Forge India remains the first choice for industries that demand excellence.
As one of the most reliable Alloy 48 Round Bars Manufacturer, Stockist and Exporter, Shakti Forge India continues to expand its presence in domestic and international markets. Our focus on quality, timely delivery, and customer satisfaction makes us a preferred partner for leading industries across the globe. For bulk requirements or customized solutions, Shakti Forge India ensures the highest level of product integrity and service excellence.
Frequently Asked Questions (FAQs)
Q:What is Alloy 48 Round Bar?
Alloy 48 Round Bar is a nickel-iron alloy containing approximately 48% nickel, designed for controlled thermal expansion and high dimensional stability. It is widely used in applications where temperature changes can affect precision, such as in electronics, instrumentation, and aerospace components.
Q:What are the main characteristics of Alloy 48 Round Bars?
Alloy 48 Round Bars feature low thermal expansion, good magnetic properties, high strength, and excellent resistance to oxidation. They also provide good machinability and weldability, making them ideal for manufacturing precision components.
Q:Where are Alloy 48 Round Bars commonly used?
These bars are commonly used in electronic and electrical devices, glass-to-metal seals, relays, vacuum tubes, telecommunication instruments, and aerospace equipment. Their stability under temperature variations makes them suitable for high-precision assemblies.
Q:What standards cover Alloy 48 Round Bars?
Alloy 48 Round Bars conform to standards such as ASTM F30, DIN 1.3922, UNS K94800, ISO 6208, and JIS NW9480. These standards ensure consistent quality and performance across industries and applications.
Q:Can Alloy 48 Round Bars be machined and welded?
Yes, Alloy 48 Round Bars can be machined using standard techniques and welded with care to prevent oxidation. Preheating and post-weld heat treatments may be used to maintain dimensional accuracy and desired mechanical properties.
Q:What are the available sizes and forms of Alloy 48 Round Bars?
They are available in diameters ranging from 3 mm to 300 mm, with lengths from 100 mm to 6000 mm. Common forms include round, square, hexagonal, flat, and custom-cut rods with bright, polished, or black finishes.
Cities we have supplied our products to
Mumbai, Delhi, Bengaluru(Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, Veraval,Kovvur, Andra Pradesh,Karwar, Karnataka,Kosamba, Gujarat, Vishakapatnam, Shahad, Pondicherry, Kakkinada, Pradesh, Nagda, Madhya Pradesh,Harihar, Karnataka, Tuticorin, Tamilnadu, Trivandrum, KeralaKurnool, Rourkela, Hindupur, Orissa, Renukoot, Uttar Morbi, Kerala ,Himachal, Dehradun, Visakhapatnam ,Jamnagar, Kozhikode, Ludhiana,Latur, Nanded, Vijaywada, Alwar, Bareilly, Bikaner, Andheri, Marol, Taloja, Turbhe, TTC (Thane-Belapur), Pimpri-Chinchwad, Chakan, Talegaon, Ranjangaon, Jejuri, Baramati, Satpur, Ambad, Sinnar, Igatpuri, Shendra, Waluj, Chikalthana, Paithan, Hingna, Butibori, Kalmeshwar, Umred, Shiroli, Kagal, Gokul Shirgaon, Akkalkot, Chincholi, Lote-Parshuram, Dombivli, Ambernath, Mahad, Roha, Palghar, Tarapur (Boisar)
Cities we have supplied our products to
South Korea, Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen, France, Germany, Greece, Oman, Colombia, Portugal, Japan, Lithuania, Macau, Mongolia, Qatar, Ireland, Malaysia, Bangladesh, Russia, Iran, Jordan, Singapore, Bulgaria, Poland, Denmark, Nigeria, Gambia, Indonesia, Finland, Argentina, Chile, Spain, Peru, Kuwait, India, Saudi Arabia, Slovakia, Slovenia, Sweden, Switzerland, Bahrain, the Netherlands, United Kingdom, Mexico, Bulgaria, Spain, France, Germany, Colombia, Brazil, Saudi Arabia, Iraq, Iran, Sudan, Libya, Tanzania, Nigeria, New Zealand, Paris, Switzerland
Applications of Alloy 48 Round Bars
- Oil & Gas Industry – pipelines, offshore rigs, valves, and fittings
- Chemical Processing Plants – heat exchangers, reactors, and storage vessels
- Marine & Shipbuilding – propeller shafts, seawater systems, and pumps
- Aerospace – jet engines, turbine blades, and structural components
- Power Generation – nuclear plants, boilers, and steam generators
- Automotive – exhaust systems, sensors, and performance parts
- Pharmaceutical & Food Industry – equipment requiring hygiene and corrosion resistance
- Construction & Infrastructure – high-strength fasteners, joints, and supports