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May 24 2023GENERAL CHARACTERISTICS OF INCONEL 718 ALLOY
Inconel 718 is a nickel-based precipitation-hardening alloy designed for very high yield strength, tensile strength and creep rupture properties at temperatures up to 1300ºF (705ºC.) The alloy has excellent weldability.
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CHEMICAL ANALYSIS |
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C |
Carbon 0.08 max |
| Mn | Manganese 0.35 max |
| P and S | Phosphorus and Sulfur 0.015 maxx |
| Si | Silicon 0.35 max |
| Ni(+Co) | Nickel Colbalt 50.0/55.0 |
| Cr | Chromium 17/21 |
| Co | Cobalt 1.00 max |
| Cu | Copper 0.15 max/td |
| Al | Aluminium 0.35/0.80 |
| Mo | Molybdenum 2.80/3.30 |
| Ti | Titanium 0.65/1.15 |
| Cb + Ta | Columbium + Tantalum 4.75/5.50 |
| B | Boron 0.001/0.006 |
GENERAL CHARACTERISTICS OF INCONEL 625 ALLOY
Inconel 625 is a corrosion and oxidation-resistant nickel-base alloy. It has outstanding strength and toughness in the temperature range cryogenic to 2000ºF (1090ºC) thanks to the solid solution effects of columbium and molybdenum in a nickel-chromium matrix. Excellent fatigue strength, and stress-corrosion cracking resistance in chloride ions, are further properties of the alloy.
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CHEMICAL ANALYSIS |
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|
C |
Carbon 0.10 max |
| Mn |
Manganese 0.50 max |
| P and S | Phosphorus and Sulfur 0.015 max |
| Si | Silicon 0.50 max |
| Ni(+Co) | Chromium 20.00/23.00 |
| Cr | Nickel Bal. |
| Co | Molybdenum 8.00/10.00 |
| Cu | Cobalt 1.00 max |
| Al | Aluminium 0.40 max |
| Mo | Molybdenum 2.80/3.30 |
| Ti | Titanium 0.40 max |
| Cb + Ta | Columbium + Tantalum 3.15/4.15 |
| Fe | Iron 5.00 max |
APPLICATIONS:
Inconel 625 alloy is used for heat shields, furnace hardware, gas turbine engine ducting, combustion liners and spray bars, chemical plant hardware and special seawater applications.
The alloy 718 is used in jet engine and high-speed airframe parts such as wheels, buckets and spacers, and high-temperature bolts and fasteners. Inconel 718 is also used in the oil and gas drilling and production industries due to its high strength and resistance to chlorides, stress corrosion and sulfide stress cracking. Within these industries the alloy has been used for valves, pump shafts and wellhead components.
Products Form:
Inconel 625 :Pipe, tube, sheet, strip, plate, round bar, flat bar,forging stock, hexagon, wire and extruded section.
Inconel 718:Pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon, wire and extruded section.
Physical Constants:
Inconel 625:
Density,g/cm3 8.44
Melting Range,℃ 1290-1350
Inconel 718:
Density,g/cm3 8.19
Melting Range,℃ 1260-1336
