ASTM A193 B8 Threaded Rods

The ASTM A193 B8 Threaded Rods, also commonly known as All-Thread Rods, are long, cylindrical bars fully threaded along their entire length. They are manufactured from austenitic stainless steel (AISI 304), conforming to the ASTM A193 B8 material specification, which dictates their suitability for high-temperature and high-pressure service. These rods are used where extended lengths are needed, often cut to custom sizes on-site for various applications, including anchoring, suspension systems, and long-span flange bolting assemblies. The stainless steel composition ensures exceptional corrosion resistance and ductility in demanding environments such as chemical processing and marine applications. Zeron Fasteners is a reliable manufacturer and supplier, providing these rods with the necessary solution-annealed and strain-hardened properties to ensure reliable structural integrity.

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ASTM A193 B8 Threaded Rods Chemical Composition

Element Composition (%)
Carbon (C) 0.08 max
Manganese (Mn) 2.00 max
Phosphorus (P) 0.045 max
Sulfur (S) 0.030 max
Silicon (Si) 1.00 max
Chromium (Cr) 18.0 – 20.0
Nickel (Ni) 8.0 – 10.5

ASTM A193 B8 Threaded Rods Mechanical Properties

Property Minimum Value
Tensile Strength 75 ksi (515 MPa) min
Yield Strength 30 ksi (205 MPa) min
Elongation in 4D 30% min
Reduction of Area 50% min
Hardness (Brinell) 223 HB max

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