ASTM A453 GRADE 660 CLASS B ROUND BAR

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ASTM A453 Grade 660 Class B Round Bar is a high temperature, high strength austenitic stainless steel alloy used in bolting applications. It offers excellent mechanical properties, oxidation resistance, and stability at elevated temperatures up to 704°C (1300°F). Commonly used in power plants, turbines, and pressure vessels for critical fasteners.

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