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Galvanized stud bolt

Galvanized stud bolts are produced with a zinc coating thickness typically ranging from 50 to 100 microns to provide high resistance against corrosion and oxidation. These stud bolts are made from carbon steel with tensile strengths between 60 and 110 ksi approximately 415 to 760 MPa. Common diameters range from 1/4 inch to 2 inches with various lengths available, and threads are manufactured according to ASME B1.1 standards with class 2A or 3A accuracy. The galvanizing process can be hot-dip or electroplating, with hot-dip providing greater environmental resistance. Surface hardness after galvanizing typically ranges from 180 to 250 Brinell.

These stud bolts are widely used in oil, gas, petrochemical industries, and metal structure construction, especially in humid and corrosive environments. Quality control includes coating thickness testing, tensile testing, hardness testing, and non-destructive tests such as penetrant testing PT. Their corrosion resistance significantly increases the service life of connections and reduces maintenance costs. Using galvanized stud bolts in industrial projects improves safety and structural stability of metal frameworks.

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