Aiman Metals, Kuala Lumpur, Malaysia, is a reputable manufacturer and supplier of quality industrial metal products. Established years ago, the company has earned a reputation for providing quality and high-performance materials optimized for challenging applications. Its top-selling products include Hastelloy Flat Bars, renowned for their high corrosion resistance, mechanical properties, and extended service life. These bars are built to last in hostile conditions where other materials cannot. Industries like chemical processing, aerospace, petrochemicals, and power generation rely on Aiman Metals’ trusted products for superior quality, reliability, and customer satisfaction via consistent product performance and on-time delivery.
Aiman Metals Hastelloy Flat Bars are nickel-based, high-performance alloys made up primarily of 50–70% Nickel, 14–22% Molybdenum, and 3–6% Chromium with lesser amounts of Iron, Tungsten, and Cobalt. This alloy has superior corrosion, pitting, crevice corrosion, and stress corrosion cracking resistance. The alloy remains strong and tough even at high temperatures, which makes it well suited for hostile environments. Mechanically, Hastelloy has great tensile and yield strength, satisfactory ductility, and good weldability, making it readily fabricable. Its stability and resistance to harsh chemical and thermal conditions guarantee exceptional performance and long-term reliability in demanding industrial processes.
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.
Hastelloy Flat Bars find widespread use in industries that require exceptional corrosion resistance and performance under harsh conditions. In chemical processing facilities, they are used in the production of reactors, pressure vessels, and heat exchangers facing hostile acids and chlorides. Hastelloy provides ruggedness in turbine components, pumps, and valves used in high stress and corrosive media in aerospace and petrochemical applications. Hastelloy is also used in the pharmaceutical industry and environmental applications for equipment exposed to aggressive cleaning agents and contaminants. Hastelloy Flat Bars are a must for critical industrial uses due to their stress corrosion cracking resistance and high-pressure, high-temperature stress withstanding capabilities.






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