Alloy-22

Nickel Alloy 22 Product Guide

Applications | Specifications | Mechanical and Chemical Data | Tolerances

Overview

Nickel Alloy 22 is an fully austenitic advanced corrosion-resistant alloy with superior corrosion resistance to both C276 and 625. It provides resistance to both oxidizing and reducing media. Due to these qualities, Alloy 22 is used in several agressive environments, such as oil and gas, waste water treatment, chemical processing, food processing, & polution control. Additionally, Alloy 22 is ductile enough to be cold worked and exhibits great weldability.

Common Trade Names

INCONEL® alloy 22*, Hastelloy® C-22 alloy*, Alloy 22, Nickel 22, Nicrofer 5621

*INCONEL® is a registered trademark of the Special Metals Corporation.

*HASTELLOY® is a registered trademark of Haynes International Inc.

Other resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Nickel Alloy 22 Round Bar

Applications

Waste Incinerators
Heat Exchanger Components
Pickling Systems
Nuclear Spent Fuel Containers

Nickel Alloy 22 Specifications

ASTM	NACE
B574	MR0175


Physical Properties Alloy 22
Density	0.314 lb/in3
Ultimate Tensile Strength	100 ksi
Yield Tensile Strength	41 ksi
Shear Modulus	12,000 ksi
Shear Strength	82 ksi
Hardness Rockwell \| Brinell	B84 \| 140
Elongation at Break Percentage	45%
Modulus of Elasticity	29,900 ksi
Poisson's Ratio	0.29
Machinability Percentage	20%
Melting Point	2,470-2,540 °F
Specific Heat	1.0 x 10^-1 BTU/lb-°F
Thermal Conductivity	69.6 BTU-in/hr-ft^2-°F
Electrical Conductivity	1.5% IACS

Chemistry Information
Element	Percentage
Ni (Balance)	56
W	2.5 - 3.5
Co	2.5 max
V	0.35 max
P	0.02 max
C	0.015 max
S	0.02 max
Si	0.08 max
Fe	2 - 6
Mn	0.5 max
Mo	12.5 - 14.5
Cr	20 - 22.5

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