Anucha Metals, based in Bangkok, Thailand, has built a solid reputation as a reliable manufacturer and supplier of high-performance alloys, including top-notch Nilo Alloy Bars and Rods. Known for their quality, precision, and dependability, Anucha Metals caters to a diverse array of industries, from electronics and telecommunications to aerospace and instrumentation. With cutting-edge production capabilities and a commitment to international standards, the company consistently delivers Nilo alloy products that boast exceptional dimensional accuracy and reliability. Whether it’s for large industrial projects or specialized engineering tasks, Anucha Metals guarantees that each Nilo bar and rod meets the rigorous demands for thermal expansion control and outstanding mechanical performance.
Nilo alloys, like Nilo 36 (often referred to as Invar), are primarily made up of 36% nickel, with the rest being iron, which gives them their remarkably low thermal expansion. Variants such as Nilo K (nickel-iron-cobalt) and Nilo 42 contain nickel levels ranging from 42% to 54%, depending on the specific grade. These alloys exhibit a tensile strength of about 450–700 MPa, along with good ductility and magnetic properties. Their standout mechanical feature is their dimensional stability across temperature changes, making them perfect for precision instruments and electronic components that require precise thermal expansion characteristics.
| 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 are widely utilized in applications that demand minimal thermal expansion and high dimensional stability. The Invar-type Nilo 36 is particularly suited for precision instruments, optical devices, and aerospace tooling. Nilo 42 is commonly found in the electronics sector for lead frames, glass-to-metal seals, and semiconductor packages. Nilo K is used in hermetic sealing and high-reliability electronic components. These alloys also play a role in telecommunications, cryogenic systems, and scientific applications, showcasing their versatility and reliability across various fields.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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