Hastelloy B2 Nuts

A Nut is a type of fastener with a threaded hole, typically hexagonal, used in conjunction with a mating bolt or stud to secure parts together. The material of the nut must match or exceed the corrosion resistance of the mating bolt to maintain the integrity of the entire joint. Forged or machined from Hastelloy B2 (a Nickel-Molybdenum alloy), these nuts are specifically engineered to provide exceptional resistance to aggressive reducing environments, particularly non-oxidizing acids like hydrochloric acid (HCl) and sulfuric acid. Zeron Fastners specializes in manufacturing and supplying these highly reliable nickel alloy nuts, ensuring that critical flange and assembly connections remain strong and corrosion-free, especially when paired with Hastelloy B2 stud bolts in severe chemical processing applications.

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Hastelloy B2 Nuts

Hastelloy B2 Chemical Composition

Element Composition (%)
Nickel (Ni) Balance
Molybdenum (Mo) 26.0 to 30.0
Iron (Fe) 2.0 max
Chromium (Cr) 1.0 max
Cobalt (Co) 1.0 max
Carbon (C) 0.02 max

Hastelloy B2 Mechanical Properties

Property Value
Tensile Strength, min 690 MPa (100,000 psi)
Yield Strength (0.2% Offset), min 350 MPa (51,000 psi)
Elongation, min 40%
Hardness (Rockwell B) 90 max
Density 9.24 g/cm3 (0.334 lb/in3)

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