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Nickel cooper Inconel Alloy 718

Nickel cooper Inconel Alloy 718

Inconel 718 may be a nickel-chromium-molybdenum alloy designed to resist a good vary of severely corrosive environments, erosion and crevice corrosion. This alloy steel alloy conjointly displays exceptionally high yield, tensile, and creep-rupture properties at high temperatures. This metal is...

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Inconel 718 may be a nickel-chromium-molybdenum alloy designed to resist a good vary of severely corrosive environments, erosion and crevice corrosion. This alloy steel alloy conjointly displays exceptionally high yield, tensile, and creep-rupture properties at high temperatures. This metal is employed from refrigerant temperatures up to future service at 1200° F. one amongst the characteristic options of Inconel 718’s composition is that the addition of atomic number 41 to allow age hardening that permits tempering and attachment while not spontaneous hardening throughout heating and cooling. The addition of atomic number 41 acts with the metallic element to stiffen the alloy’s matrix and supply high strength while not a strengthening heat treatment. different standard nickel-chromium alloys area unit age hardened through the addition of Al and metal. This alloy steel alloy is instantly made-up and should be welded in either the tempered  or precipitation (age) hardened condition. This superalloy is utilized in a spread of industries cherish region, chemical process, marine engineering, pollution-control instrumentation, and nuclear reactors.

Chemical Composition, %

NiFeCrCuMoNbCMn
50.00-55.00Remainder17.00-21.00.30 max2.80-3.304.75-5.50.08 max.35 max
PSSiTiAlCoB 
.015 max.015 max.35 max.65-1.15.20-.801.00 max.006 max

ASTM Specifications

Sheet/PlateBarWire
B670B637-

Mechanical Properties  
Typical room temperature properties, 1800°F annealed condition

Ultimate Tensile Strength, psi.2% Yield Strength psiElongation %Hardness Rockwell B
135,00070,00045100


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