Hastelloy B-3 (UNS N10675) Corrosion-resistant alloy

Hastelloy B-3 (UNS N10675)  Corrosion-resistant alloy
Hastelloy B-3 (UNS N10675)  Corrosion-resistant alloy
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Features
  • Hastelloy B-3 is a nickel-molybdenum alloy giving it excellent resistance to pitting, corrosion, and stress-corrosion cracking
  • It can also endure sulfuric, acetic, formic, and phosphoric acids, as well as other non-oxidizing media.
  • Alloy B-3 features thermal stability superior to that of alloy B-2
  • This alloy uses minimal amounts of Fe and Cr to avoid precipitation between 700~800℃, lowering the chance of brittleness.
Product Form
Product ASTM Standard
Sheet/ Coil B335
Plate B333
Seamless Steel Tube B622
Welded Steel Pipe B619
Tube B626
Flange B564
Forging Part B564
Chemical Analysis
% Ni Cr Mo Fe W Co C Mn Si V P S Cu AL Ti Nb Ta Zr Ni Mo
Hastelloy B-3 Min. ≥65 1 27 1 94
Max. 3 32 3 3 3 0.01 3 1.0 0.2 0.03 0.1 0.2 0.5 0.2 0.2 0.02 0. 1 98
Physical Properties
Density 9.24G/CM3
Melting Range 1370-1418℃
The Min. Mechanical Properties under Room Temperature
Alloy Tensile Strength Yield Strength Elongation
RM N/MM2 RP0.2 N/MM2 A5%
Annealing 760 350 40
  • Applications
    • Chemical processes especially for sulfuric acid, hydrochloric acid, phosphoric acid and acetic acid
    • Mechanical components in reducing environments
    • Vacuum furnaces
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