Alloy 625
About Alloy 625
What is Alloy 625?
Alloy 625 is a nickel-chromium-molybdenum-niobium super alloy that contains a high amount of nickel concentration, far more than any of its other grades. It has high strength and high resistivity even at extreme temperatures. It has been shown to be very resistant to corrosion and oxidation. These specific properties make it very useful in marine and nuclear environments.
Alloy 625 also referred to as the UNS N06625, W.Nr. 2.4856 refers to strong solution that has been strengthen by the presence on nickel making it have a high resistance to corrosion, great tensile strength, high oxidation and excellent fatigue properties.
Properties of this alloy 625 make it an excellent product for use in the manufacture of chemical equipment’s, aerospace structural parts, and aero-engine parts.
Alloy 625 Standards
ASTM B444
-Seamless Pipe & Tube
ASTM B705
-Welded Pipe & Tube
ASTM B446
-Rod & Bar
ASTM B443
-Plate, Sheet, Strip & Foil
Alloy 625 Chemical Composition
Alloy 625 Data Sheet
Alloy 625 Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| Alloy 625 | 2.4856 | N06625 | ХН75МБТЮ | NC22DNB4M | NCF 625 | NA 21 | NiCr22Mo9Nb | ЭИ602 |
Alloy 625 Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 135,000 , MPa – 930 | Psi – 75,000 , MPa – 517 | 42.5 % |
Alloy 625 Physical Properties
| Melting Range | Specific Heat, 20°C (J/(g.K)) | Magnetic Permeability (20°C) | Thermal Conductivity, 20°C (W/(m.K)) | Curie Temperature (°C) |
| 1350 °C (2460 °F) | 410 | ＜1.001 | 9.9 | -196 |
Alloy 625 Applications
Alloy 625 Related Resources
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