Alloy 718 (and Modifications)

Alloy 718 (and Modifications)

Alloy name: Alloy 718 (and Modifications)
Diagram No.: 268
Type of diagram: TTH
Chemical composition in weight %:

Alloy A Composition: 61.6% Ni, 20.2% Fe, <0.06% Co, 3.20% Mo, 6.28% Nb+Ta, 0.94% Ti, 0.46% Al, 0.04% Mn, 0.06% Si, 0.03% C, 0.003% B, 0.007% S, 0.004% P, 0.01% Cu

Alloy B Composition: 61.6% Ni, 9.8% Fe, <0.06% Co, 3.20% Mo, 6.13% Nb+Ta, 0.96% Ti, 0.68% Al, 0.04% Mn, 0.06% Si, 0.02% C, 0.001% B, 0.006% S, 0.002% P, <0.01% Cu

Alloy C Composition: 69.8% Ni, <0.06% Fe, <0.06% Co, 3.02% Mo, 6.14% Nb+Ta, 0.93% Ti, 0.63% Al, 0.04% Mn, 0.06% Si, 0.03% C, 0.003% B, 0.008% S, 0.004% P, <0.01% Cu

Alloy D Composition: 62.9% Ni, 10.1% Fe, 8.6% Co, 3.10% Mo, 6.06% Nb+Ta, 0.90% Ti, 0.48% Al, 0.04% Mn, 0.06% Si, 0.03% C, 0.003% B, 0.006% S, 0.006% P, 0.01% Cu

Alloy E Composition: 64.2% Ni, 0.26% Fe, 17.6% Co, 3.19% Mo, 6.31% Nb+Ta, 0.92% Ti, 0.48% Al, 0.03% Mn, 0.04% Si, 0.04% C, 0.003% C, 0.006% S, 0.006% P, 0.01% Cu

Alloy F Composition: 62.8% Ni, <0.06% Fe, 8.8% Co, 3.0% Mo, 6.09% Nb+Ta, 0.86% Ti, 0.47% Al, 0.04% Mn, 0.06% Si, 0.03% C, 0.002% B, 0.006% S, 0.004% P, 0.01% Cu

Alloy group: Nickel-based alloys
Note: Treatment: Samples solution annealed at temperature produce a 30 um grain size. Specimens were aged at 649, 704, 760 and 816 C (1200, 1300, 1400 and 1600 F) for 0.1 to 96 h, also at 871 C (1600 F) for 1 and 4 h, and at 693 C (1100 F) for 4 h.
Reference: Not shown in this demo version.

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