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Hashmi Sheets and Plates, based in Doha, Qatar, is a leading manufacturer and supplier of high-performance alloy products. Among its premium offerings are Haynes 188 Sheet and Plates, engineered for high-temperature and corrosion-resistant applications. Produced under strict quality standards and international specifications, these sheets and plates provide exceptional durability, oxidation resistance, and mechanical strength. Serving industries such as aerospace, chemical processing, and power generation, Hashmi supplies alloy solutions capable of withstanding aggressive and high-temperature environments. Clients trust Hashmi Sheets and Plates for materials that deliver reliability, long-term performance, and safety in critical industrial applications.
Haynes 188 Sheet and Plates is a cobalt-nickel-chromium-tungsten alloy designed for high-temperature service and corrosion resistance. Its composition typically includes cobalt, nickel, chromium, tungsten, and iron, providing excellent strength and oxidation resistance up to temperatures of 1038°C (1900°F). The alloy exhibits superior creep resistance, tensile strength, and thermal stability, making it suitable for extreme conditions. Haynes 188 sheets and plates also offer excellent weldability and fabrication properties, ensuring reliable performance in aerospace, chemical, and industrial furnace applications where both mechanical and chemical resistance are critical.
| 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 |
| STANDARD | Material No | UNS | Alloy |
| Haynes 188 | – | R30605 | 188 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Haynes 188 sheets and plates provide high superior strength and oxidation resistance, making them ideal for use in harsh environments such as gas turbines, aerospace, power generation etc. This alloy is known for its durability extreme heat cycle and edge of extreme conditions. Resistance to high temperature carburization and oxidation ensures longevity and reliability. Haynes 188 also exhibits excellent weldability and manufacturability, making it easily adaptable to a variety of industrial applications. Overall, it provides excellent performance at high temperatures where durability is required.
Haynes 188 sheets and plates are high-performance super alloys designed for harsh environmental conditions. Due to their high superior strength, oxidation and corrosion resistance, they are widely used in the aerospace, power generation and chemical industries Applications include turbine blades, exhaust systems, heat exchangers and components with in gas turbines. The alloy’s ability to withstand temperatures up to 2,000°F (1,093°C) makes it suitable for advanced industrial solutions, especially in areas of high thermal and mechanical stress, and as resistant to oxidation and sulfidation extends the life of components.
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