Chung Metal manufactures and distributes Nilo Alloy Bars and Rods from Da Nang, Vietnam, and provides controlled expansion alloys for demanding electronic and aerospace components. Nilo alloys are iron-nickel alloys designed with low thermal expansion and high thermal stability. They are required in precision instrumentation, electronics, and sealing applications. Chung Metal maintains close dimensional tolerances and superior metallurgical quality for all Nilo grades.
Nilo alloys are usually 36–52% nickel, with the balance iron and trace elements. The alloys are characterized by low coefficients of thermal expansion, high dimensional stability, and excellent tensile strength (up to 500 MPa). They are magnetically soft and corrosion-resistant in many atmospheric conditions.
| Grade | Nilo Alloy Round Bar |
|---|---|
| Nilo Alloy Square bar size | 4 to 100mm |
| Nilo Alloy Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Alloy Nilo Hex Bar size | 2-100mm A/F |
| Nilo Alloy Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Nilo Alloy Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Alloy Nilo Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Nilo Alloy Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Nilo Alloy Section | 3.0 to 12.0mm thickness |
| Alloy Nilo Round bar size | Diameter: 3-~800mm |
| Nilo Alloy Billet Size | 1/2″ to 495mm Diameter |
| Nilo Alloy Round Bar Standard Dimensions | Diameter / Height: |
| Nilo Alloy Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Nilo Alloy Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Alloy Nilo Technique | Nilo Alloy Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Nilo Alloy Condition | Hardened & tempered, annealed |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Form | Nilo Alloy Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square Bar, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Processing | Bar cutting to 650mm |
| Our Nilo Alloy Round bar conforms to NACE MR0175/ISO 15156 | |
| Grade | Mn | C | P | S | Si | Ni | Cr | Fe |
| Nilo Alloy 48 | 0.80 max | 0.05 max | 0.025 max | 0.025 max | 0.030 max | 48 | 0.250 max | Bal |
| Nilo Alloy K | 0.50 max | 0.04 max | 17.0 | 0.10 max | 0.20 | 29.0 | 0.20 max | 53.0 |
Properties | Metric | Imperial |
|---|---|---|
Modulus of elasticity | 130 GPa | 18900 ksi |
Tensile strength | 520MPa | 75.4 ksi |
Yield strength | 340 MPa | 49.3 ksi |
Nilo alloy bars and rods excel in high-temperature environments due to their excellent thermal stability, low thermal expansion, and resistance to thermal shock, making them ideal for high-precision applications.
Yes, Nilo Alloy rods can be customized in size and length to meet specific requirements. Manufacturers typically offer tailored solutions based on customer needs for various applications.
To maintain Nilo Alloy bars, clean regularly with a mild detergent, avoid harsh chemicals, store in a dry environment, and inspect for wear or corrosion. Lubricate if necessary.
Nilo alloy bars and rods find application in hermetic sealing, lead frames, thermocouples, electronic tubes, and aerospace engine parts. They find applications in glass-to-metal and ceramic-to-metal sealing where identical expansion coefficients are critical. Nilo alloys offer outstanding accuracy and long-term stability in high-technology and scientific devices.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Da Nang, Vietnam
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