Inconel 625 Product Guide

Applications | Mechanical and Chemical Data | Tolerances

Overview

Inconel® 625 is a specialty alloy with a high strength, outstanding corrosion resistance, heat resistance, and fatigue strength. The most impressive aspect of this material is that its service temperatures range from cryogenic to 1800 F (982 C). Inconel 625 is typically used in aerospace ducting and exhaust, bellows, turbine shrouds, seawater components, and chemical process equipment.

INCONEL® is a trademark of the Special Metals Corporation group.

Common Trade Names

UNS N06625, Alloy 625, Nickel 625, Chornin 625, Altemp 625, Nickelvac 625, Haynes 625, Nicrofer® 6020*, Werkstoff Nr. 2.4856

*Nicrofer® is a registered trademark of VDM Metals Group.

Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Inconel 625 Round Bar | Inconel 625 Sheet | Inconel 625 Round Tube

Applications

Aerospace
Marine
Chemical Processing

Nickel 625 Specifications

ASTM	AMS	NACE
B443	5599	MR0175
B444	5666
B446


Physical Properties 625
Density	0.305 lb/in3
Ultimate Tensile Strength	128 ksi
Yield Tensile Strength	66.7 ksi
Shear Modulus	11,000 ksi
Shear Strength	87 ksi
Hardness Rockwell \| Brinell	B65 \| 102
Elongation at Break Percentage	33%
Modulus of Elasticity	30,000 ksi
Poisson's Ratio	0.29
Machinability Percentage	22%
Melting Point	2,350-2,460 °F
Specific Heat	9.8 x 10^-2 BTU/lb-°F
Thermal Conductivity	68 BTU-in/hr-ft^2-°F
Electrical Conductivity	1.3% IACS

Chemistry Information
Element	Percentage
C	0.1 max
Mn	0.5 max
P	0.015 max
S	0.015 max
Si	0.05 max
Cr	20 - 23
Ni	-
Mo	8 - 10
Nb	3.15 - 4.15
Ti	0.4 max
Al	0.4 max
Fe	5 max
Ta	0.05 max

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