Duplex and Super Duplex UNS S32760 Stud Bolts

The Duplex and Super Duplex UNS S32760 Stud Bolt is a primary fastener used extensively in oil and gas, chemical, and petrochemical industries for reliable, high-integrity flanged connections. These bolts are typically fully threaded rods supplied with two heavy hex nuts and are often used in critical pressure-containing joints. Manufactured from the premium Super Duplex UNS S32760 alloy (also known as F55 or Zeron 100), this stud bolt exhibits a fine-tuned composition, including Tungsten and Copper, which maximizes its performance. The material provides a high Pitting Resistance Equivalent Number, ensuring outstanding defense against pitting, crevice corrosion, and stress corrosion cracking (SCC) and sulphide stress corrosion cracking (SSCC) in environments containing chlorides and hydrogen sulfide (sour gas). Due to their high mechanical properties, these stud bolts allow for smaller, lighter flange designs while maintaining a superior clamping force. Zeron Fasteners manufactures and supplies these studs, often conforming to the ASTM A182 F55 forging specification, for use in the most severe service conditions.

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