Alloy 718 Alloy

Alloy name: Alloy 718
Diagram No.: 272
Type of diagram: CCT
Chemical composition in weight %: 19.9% Fe, 18.2% Cr, 6.1% Nb, 2.9% Mo, 1.16% Ti, 0.2% Mn, balance is Ni
Alloy group: Nickel-based alloys
Note: Treatment: Cylinders 40 mm long x 10 mm diam were vacuum sealed in quarts and homogenized at 1180 C (2166 F) for 72 h, water quenched. Dilatometer specimens were machined from the cylinders. The dilatometer specimens were heated to 1180 C (2166 F) at 0.6 C/s, held for 30 min and then cooled at various rates. Companion specimens were treated identically but water quenched from different temperatures and examined metallographically.
Reference: Not shown in this demo version.

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