Based in the industrial heart of Safat, Kuwait, Nimish Metal has built a reputation as a trusted partner for industries demanding uncompromising quality. We specialize in providing high-performance Hastelloy Flat Bars, a material chosen for the most challenging environments. Understanding that reliability is paramount, we ensure our clients receive products that meet rigorous international standards, offering not just a material but a dependable solution for critical applications where failure is not an option.
The exceptional strength of Hastelloy Flat Bars comes from a sophisticated nickel-chromium-molybdenum alloy, often enhanced with elements like tungsten. This unique composition gives them outstanding mechanical properties, including high tensile strength and impressive toughness. They retain this robust character even when exposed to extreme temperatures, making them incredibly durable under stress and resistant to deforming under heavy loads, which is essential for long-term structural integrity.
Specifications : ASTM B574 / ASME SB574
Size : 15NB to 150NB IN
Diameter : 3.17mm to 350mm diameter
Length : 100 mm to 3000 mm Long & Above
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished
Tolerance : H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
| ELEMENT | Hastelloy Flat Bar |
| NI | 99.0 min |
| CU | 0.25 max |
| FE | 0.40 max |
| MN | 0.35 max |
| C | 0.15 max |
| SI | 0.35 max |
| S | 0.01 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 1,00,000 , MPa – 690 | Psi – 45000 , MPa – 310 | 45 % |
Yes, Hastelloy Flat Bar can be welded using conventional welding methods, such as TIG and MIG welding. Proper heat control and filler materials are essential to maintain its corrosion resistance and strength.
Yes, Hastelloy Flat Bar can be used for natural gas applications due to its excellent corrosion resistance, particularly in harsh environments, making it suitable for gas processing and transmission systems.
Yes, Hastelloy Flat Bar can be used for underground applications due to its strong resistance to corrosion and high durability, making it suitable for challenging environments like underground systems.
You’ll find these flat bars hard at work in sectors where corrosion is a constant threat. They are essential in chemical processing plants, pharmaceutical manufacturing, and pollution control scrubbers, handling aggressive acids and chlorides. Their resistance to high temperatures and pressure also makes them a prime choice for critical components in marine engineering, oil and gas refinery equipment, and the aerospace industry, proving their versatility and reliability where it matters most.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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