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625
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
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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