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List of Alloys & profiles

List of Alloys & profiles

Alloy Wire International

Datasheet: Hastelloy˘ B-3

Hastelloy˘ B-3

This Nickel-Molybdenum alloy gives excellent resistance to hydrochloric acid at all concentrations and temperatures from ambient to high. It also withstands sulphuric, acetic, formic and phosphoric acids and other non-oxidizing media. B-3 also has excellent resistance to pitting corrosion and to stress-corrosion cracking. Hastelloy B-3 is not recommended in the presence of ferric or cupric salts. Like other nickel alloys, Hastelloy B-3 is ductile and can be formed and welded. It resists stress corrosion cracking in chloride-bearing solutions, and is able to withstand fluoride-bearing media and concentrated sulfuric acid, both of which result in damage to zirconium alloys.

Available in all profile options

Hastelloy˘ B-3 - Alloy Wire International 1

Key Features

Hastelloy B-3 offers the following key features:

Excellent corrosion resistance to hydrochloric acid at all concentrations and temperatures
Withstands sulphuric, acetic, formic & phosphoric acids & other non-oxidising media
Excellent resistance to pitting corrosion & stress corrosion cracking

Typical Applications

Hastelloy B-3 is known to be suitable for the following applications:

Chemical processing


Designations

W.Nr 2.4600
UNS N10675
AWS 051

Specifications

ASTM B335
ASTM B619

Chemical Composition

The chemical composition of Hastelloy B-3 is indicated in the table below:

ElementMin %Max %
Ni65.00
Cr1.003.00
Mo27.0032.00
Fe1.003.00
W3.00
C0.01
Si0.10
Co3.00
Mn3.00
V0.20
P0.03
S0.01
Ti0.20
Cu0.20
Al0.50
Zr0.10
Nb/Cb0.20
Ta0.20
Ni+Mo94.0098.00

Alloy Details

Hastelloy B-3 density, melting point, coefficient of expansion, and modulus of elasticity is indicated in the table below:

DensityMelting PointCoefficient of ExpansionModulus of RigidityModulus of Elasticity
9.22 g/cm³1418 °C10.6 μm/m °C (20 – 100 °C)83 kN/mm²216 kN/mm²
0.333 lb/in³2585 °F5.7 x 10-6 in/in °F (70 – 212 °F)12038 ksi31329 ksi

Heat treatment of finished parts

The typical heat treatment of Hastelloy B-3:

Condition as supplied by AWITypeTemperatureTimeCooling
Annealed or Spring TemperStress Relieve400 – 450 °C (750 – 840 °F)2 HrAir

Properties

The typical mechanical properties of Hastelloy B-3:

Annealed
Approx. tensile strength<1200 N/mm²<174 ksi
Approx. operating temperature depending on load** and environment-200 to +400 °C-330 to +750 °F
Spring Temper
Approx. tensile strength1600 – 2000 N/mm²232 – 290 ksi
Approx. operating temperature depending on load** and environment-200 to +400 °C-330 to +750 °F

The above tensile strength ranges are typical. If you require different please ask.

*Trade name of Haynes International