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Super Alloy HASTELLOY(r) B­3 (UNS N10675)

Introduction

Super alloys are also referred to as high performance alloys. They contain many elements in a variety of combinations so as to achieve the desired result. These alloys can function under very high temperatures and severe mechanical stress, and also where high surface stability is required.

They have good creep and oxidation resistance. Strengthening of super alloys is performed by solid­solution hardening, work hardening, and precipitation hardening methods. The following datasheet will provide more details about HASTELLOY(r) B­3.

Chemical Composition

Element Content %
Nickel, Ni 65 min
Molybdenum, Mo 27-32
Cobalt, Co 3 max
Manganese, Mn 3 max
Tungsten, W 3 max
Iron, Fe 1-3
Chromium, Cr 1-3
Aluminum, Al 0.5 max
Copper, Cu 0.2 max
Niobium, Nb 0.2 max
Tantalum, Ta 0.2 max
Titanium, Ti 0.2 max
Vanadium, V 0.2 max
Zirconium, Zr 0.1 max
Phosphorus, P 0.03 max
Sulfur, S 0.01 max
Carbon, C 0.01 max

Physical Properties

Property Metric Imperial
Tensile strength (0.125in.) 0.88 GPa 129 ksi
Yield strength (0.125in.) 0.44 GPa 64.5 ksi
Elongation at break (0.125in.) 57.50% 57.50%

Other Designations

Equivalent materials to HASTELLOY(r) B­3 are:

  • ASTM B333
  • ASTM B335
  • ASTM B366
  • ASTM B564
  • ASTM B619
  • ASTM B622

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