Forged Inconel 718 Alloy
Forged Inconel 718 Alloy
SKU:INC-829445
High-strength Forged Inconel 718 Alloy for extreme temperature applications.
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The Forged Inconel 718 Alloy is a gamma prime strengthened alloy offering exceptional mechanical properties from cryogenic to high temperatures. With a process of forging and a composition of Ni 52.5, Cr 19.0, Fe 18.5, Mo 3.0, Nb+Ta 3.6, this alloy excels in applications such as jet engines, rocket motors, and nuclear fuel element spacers. Its high strength, oxidation resistance up to 1800 °F, and age hardenability make it a reliable choice. Compliant with federal procurement standards and suitable for various industrial needs.
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Product Specifications
Additional Information Additional Information
Excellent strength from -423 ºF to 1300 ºF (-253 ºC to 705 ºC). Age hardenable and may be welded in fully aged condition, Excellent oxidation resistance up to 1800 ºF (980 ºC). Typically sold in the solution annealed temper, but can be ordered aged, cold worked, or cold worked & aged.
Applications 0
Uses for this alloy tend to be in the field of gas turbine components and cryogenic storage tanks. Jet engines, pump bodies and parts, rocket motors and thrust reversers, nuclear fuel element spacers, hot extrusion tooling. Other popular uses are high strength bolting, and down hole shafting.
General Resistance Barrod Usa
Aged: B637 | Aged: AMS 5663 | Aged: AMS 5664 | Annealed: AMS 5662 | Annealed: B637
General Resistance Forging Usa
Aged: B637 | Aged: AMS 5663 | Aged: AMS 5664 | Aged: AMS 5832 | Annealed: B637 | Annealed: AMS 5662
General Resistance General Resistance
Temperature | Oxidation | Corrosion
General Resistance Sheetplate Usa
Aged: AMS 5596 | Aged: B670 | Annealed: AMS 5596 | Annealed: B670
General Resistance Unified Numbering System Uns
N07718
General Resistance Weld Wire
A5.14 ERNiFeCr-2
General Resistance Werkstof
2.4668
Machinability Ratings Note
These machinability ratios must be recognized as approximate values. They are a reasonable guide to relative tool life and lower required for cutting. It is obvious, however, that variables of speed, cutting oil, feed and depth of cut will significantly affect these ratios.
Machinability Ratings Speed Percent Of B1112
Aged: 24 | Annealed: 12
Machinability Ratings Speed Surface
Aged: 40 ft/mm | Annealed: 20 ft/mm
Machining Section 0
The alloys described here work harden rapidly during machining and require more power to cut than do the plain carbon steels. The metal is 'gummy', with chips that tend to be stringy and tough. Machine tools should be rigid and used to no more than 75% of their rated capacity. Both work piece and tool should be held rigidly; tool overhang should be minimized. Rigidity is particularly important when machining titanium, as titanium has a much lower modulus of elasticity than either steel or nickel alloys. Slender work pieces of titanium tend to deflect under tool pressures causing chatter, tool rubbing and tolerance problems.Make sure that tools are always sharp. Change to sharpened tools at regular intervals rather than out of necessity. Titanium chips in particular tend to gall and weld to the tool cutting edges, speeding up tool wear and failure. Remember- cutting edges, particularly throw-away inserts, are expendable. Don't trade dollars in machine time for pennies in tool cost.Feed rate should be high enough to ensure that the tool cutting edge is getting under the previous cut thus avoiding work-hardened zones. Slow speeds are generally required with heavy cuts. Sulfur chlorinated petroleum oil lubricants are suggested for all alloys but titanium. Such lubricants may be thinned with paraffin oil for finish cuts at higher speeds. The tool should not ride on the work piece as this will work harden the material and result in early tool dulling or breakage. Use an air jet directed on the tool when dry cutting, to significantly increase tool life.Lubricants or cutting fluids for titanium should be carefully selected. Do not use fluids containing chlorine or other halogens (fluorine, bromine or iodine), in order to avoid risk of corrosion problems. The speeds are for single point turning operations using high speed steel tools. This information is provided as a guide to relative machinability, higher speeds are used with carbide tooling.
Mechanical Elongation
Aged: 12 % | Annealed: 51 %
Mechanical Hardness
Annealed: Rc 36 | Annealed: Equivalent | Aged: C36
Mechanical Mechanical Type
Aged | Annealed
Mechanical Tensile Strength
Aged: 180 ksi | Annealed: 125000 psi
Mechanical Yield Strength
Aged: 150 ksi | Annealed: 60000 psi
Nominal Chemistry Aluminum Al
0.5
Nominal Chemistry Carbon C
0.05
Nominal Chemistry Chromium Cr
19
Nominal Chemistry Iron Fe
Balanced
Nominal Chemistry Maximum Cobalt Co
1
Nominal Chemistry Maximum Copper Cu
0.30
Nominal Chemistry Maximum Manganese Mn
0.35
Nominal Chemistry Maximum Silicon Si
0.35
Nominal Chemistry Minimum Nickel Ni
52.5
Nominal Chemistry Molybdenum Mo
3
Nominal Chemistry Other
5 Cb + Ta
Nominal Chemistry Titanium Ti
0.9
Physical Curie Temperature
Aged: -170 ºF | Annealed: <-320 ºF
Physical Density
0.296 lb/in³
Physical Electrical Resistivity
Aged: 725 ohm/cir-mil-ft | Annealed: 753 ohm/cir-mil-ft
Physical Melting Range
2300 to 2437 ºF
Physical Specific Heat
0.104 Btu/lb ºF
Physical Thermal Expansion Coefficient At 70 To 200 Degree Fahre
7.1 x 10-6 in/in/ºF
Specifications Alloy
718
Specifications Process
Forged