ASTM A453 Grade 660 (A-286) Stud Bolts & Nuts

Engineered for the most demanding high-temperature applications, these ASTM A453 Grade 660 (A-286) stud bolts and nuts provide exceptional performance in environments where standard stainless steel fails. Manufactured from the renowned A-286 nickel-chromium-iron alloy, these fasteners are specifically designed to withstand extreme thermal stress, oxidation, and scaling while maintaining structural integrity over extended service lives.

Typically used in gas turbine components, heat exchangers, furnace hardware, and chemical processing equipment, this grade offers a unique combination of strength and corrosion resistance. The material is heat-treated to achieve optimal hardness and toughness, ensuring reliable clamping force even under fluctuating temperature conditions common in Saudi industrial sectors.

• Material Composition: Nickel-Chromium-Iron alloy (UNS A-286) known for high-temperature stability.
• Standard Compliance: Manufactured to ASTM A453 specifications for Grade 660.
• Thermal Resistance: Excellent resistance to oxidation and hot corrosion up to high operating temperatures.
• Mechanical Properties: High tensile strength and fatigue resistance suitable for dynamic loads.
• Verification: PMI (Positive Material Identification) testing available upon request to ensure material authenticity.