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Jyoti Steels is a leading producer and supplier of Haynes sheets and plates in Mumbai, India. With a track record of providing high-performance cobalt-based alloys, the company supplies industries demanding superior performance materials. Their product offerings include Haynes® 25 (also referred to as Haynes 25 or L-605) and Haynes® 188, both well-known for their excellent oxidation resistance and mechanical properties at high temperatures. Jyoti Steels ensures accuracy in manufacturing, adhering to strict industry standards to meet applications such as aerospace, power generation, and chemical processing.
Haynes® 25 (Alloy L-605) consists mainly of 52–55% cobalt, 20–22% chromium, 15–17% tungsten, and 3–5% nickel, with trace amounts of iron and other metals. It is this composition that provides excellent oxidation and sulfidation resistance, and it is therefore of use in high-temperature applications. Mechanically, it provides a yield strength of around 70 ksi (483 MPa) at 1,600°F (871°C) and is also of good ductility. Physically, it has a density of 8.8 g/cm³ and a melting point of around 1,350°C.
| Specification : | AMS 5608 / AMS 5609 |
| Standard : | AMS, AMS, API |
| Specialize sheets : | Shim, Perforated Sheet, B. Q. Profile. |
| Size : | 0.5 MM TO 200 MM THICK IN 1000 MM TO 2500 MM WIDTH & 2500 MM TO 12500 MM LENGTH |
| Finish : | Cold rolled sheet (CR), 2D, Hot rolled plate (HR), 2B, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness : | Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc. |
| Grade : | Haynes 188 (UNS R30188) |
| Grade | C | Mn | P | S | Si | Ni | Cr | Fe | W | B | Mo | Co |
| Haynes 188 | .05 – .15 | 1.25 max | .020 max | .015 max | .20 – .50 | 20.0 – 24.0 | 21.0 -23.0 | 3.0 max | 13.0 -15.0 | .015 max | .03 – .15 | – |
| Yield Strength | Tensile Strength | Elongation | ||
|---|---|---|---|---|
| ksi | MPa | ksi | MPa | % |
| 65 | 446 | 140 | 963 | 55 |
At Jyoti Steels, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Sheets and Plates in Mumbai, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Haynes® 25 and Haynes® 188 are widely applied in processes where materials are needed to withstand high temperatures and corrosive conditions. Typical applications include turbine blades, exhaust valves, and other parts in aerospace and power generation applications. Their oxidation and sulfidation resistance also makes them suitable for chemical processing hardware, including reactor cores and heat exchangers. These alloys are also used in medical devices and high-performance automotive components, where reliability and longevity are critical.
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