Hastelloy B3

Description

Hastelloy B3 (UNS N10675) is a nickel-molybdenum alloy developed for improved thermal stability and corrosion resistance in reducing environments. It withstands harsh acids such as sulfuric, acetic, formic, and phosphoric acid, and shows excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. B3 is especially useful in the food and chemical processing sectors where corrosion and heat resistance are critical.

Application：

Chemical processing
Oil and gas
Heat-treating fixtures
Food processing
Nuclear power generation

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Product Specification

Chemical Composition

Element	Composition (%)
C (Carbon)	≤ 0.01
Cr (Chromium)	1 – 3
Ni (Nickel)	≥ 65
Fe (Iron)	1 – 3
Mn (Manganese)	≤ 3
Si (Silicon)	≤ 0.1
Mo (Molybdenum)	27 – 32
Co (Cobalt)	≤ 3
Ti (Titanium)	≤ 0.2
W (Tungsten)	≤ 3
Al (Aluminum)	≤ 0.5