List of Alloys & profiles

List of Alloys & profiles

Alloy Wire International

Datasheet: Hastelloy˘ X

Hastelloy˘ X

Hastelloy X is a Nickel-Chromium-Iron-Molybdenum alloy with an exceptional combination of oxidation resistance, ease of fabrication and high temperature strength. It has also been found to be exceptionally resistant to stress corrosion cracking in petrochemical applications.

Hastelloy X is also known as Inconel HX, Nicrofer 4722 Co, and Pyromet 680.

Available in all profile options

alloy featured image inconel Hastelloy˘ X

Key Features

Exceptional oxidation resistance.
Highly resistant to stress corrosion cracking in petrochemical applications.

Typical Applications

Gas turbine engines
Industrial furnaces
Chemical processing
Petrochemical industry


Designations

W.NR 2.4665
UNS N06002
AWS 057

Specifications

AMS 5754
AMS 5798
ASTM B619
GE B50A463
GE B50A655
ISO 15156-3 (NACE MR 0175)

Chemical Composition

ElementMin %Max %
Cr20.5023.00
Mo8.0010.00
Fe17.0020.00
W0.201.00
C0.050.15
Si1.00
Co0.502.50
Mn1.00
P0.04
S0.03
B0.01
Nibal

Alloy Details

DensityMelting PointCoefficient of ExpansionModulus of RigidityModulus of Elasticity
8.22 g/cm³1355 °C13.9 μm/m °C (20 – 100 °C)77.6 kN/mm²205 kN/mm²
0.297 lb/in³2470 °F7.7 x 10-6 in/in °F (70 – 212 °F)11255 ksi29733 ksi

Heat treatment of finished parts

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

Properties

Annealed
Approx. tensile strength<1050 N/mm²<152 ksi
Approx. operating temperature depending on load** and environment-200 to +400 °C-330 to +750 °F
Spring Temper
Approx. tensile strength1350 – 1550 N/mm²196 – 225 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