Open Access

Table 6

Showing composition and application of some unexplored materials under machining studies.

Material Element (composition in weight%) Applications
Nimonic 81 C (0.05), Si (0.5), Cu (0.2), Fe (1.0), Mn (0.5), Cr (30), Ti (1.8), Al (0.9), Co (2.0), Mo (0.3), B (0.003), Zr (0.06), S (0.015),
Piston engine exhaust value, gas turbines, heat exchange plants
Nimonic 86 C (0.05), Cr (25.0), Mo (10.0), Mn (0.015), Ce (0.03), Ni (B) Afterburner parts, gas turbine combustion chamber, hear treatment furnace component
Nimonic 105 C (0.17M*), Si (1.0M), Cu (0.2M), Fe (1.0M), Mn (1.0M), Cr (14.0–15.7), Ti (0.9–1.5), Al (4.5–4.9), Co (18.0–22.0), Mo (4.5–5.5), B (0.003–0.010), Zr (0.15M), S (0.010M), Pb (0.0015M), Ni (B) Bolts and fasteners, turbine blades, discs, forgings, ring sections
Nimonic 115 C (0.12–0.2), Si (1.0M), Cu (0.2M), Fe (1.0M), Mn (1.0M), Cr (14.0–16.0), Ti (3.5–4.5), Al (4.5–5.5), Co (13.0–15.5), Mo (3.0–5.0), B (0.01–0.025), Zr (0.15M), S (0.015M), Pb (0.0015M), Ni (B) Turbine blades for gas engine
Nimonic 901 Ni (42.5), Cr (12.5), Mo (5.75), Ti (2.9), Co (1.0M), Cu (0.5M), Mn (0.5M), Si (0.4M), Al (0.35M), C (0.1M), S (0.03M), Fe (B) Gas turbine shafts, discs, rings, casings and seals with a maximum service temperature of 600 °C
Nimonic PE11 Ni (37.0–41.0), Fe (B), Cr (17.0–19.0), Mo (4.75–5.75), Ti (2.2–2.5), Al (0.7–1.0), C (0.03–0.08), Si (0.5M), Cu (0.5M), Mn (0.2M), Co (1.0M), B (0.001M), Zr (0.02–0.05), S (0.015M) Components of gas turbines
Nimonic PE16 C (0.04–0.08), Si (0.5M), Mn (0.2M), S (0.015M), Ag (0.0005M), Al (1.1–1.3), B (0.005M), Bi (0.001M), Co (2.0M), Cr (15.5–17.5), Cu (0.5M), Mo (2.8–3.8), Ni+Co (42.0–45.0), Pb (0.0015M), Zr (0.02–0.04), Fe (B) Missile hot components, gas turbine flame tubes, superheater tubing, nuclear reactor parts and aircraft ducting systems
Nimonic PK33 C (0.07M), Si (0.5M), Cu (0.2M), Fe (1.0M), Mn (0.5M), Cr (16.0–20.0), Ti (1.5–3.0), Al (1.7–2.5), Co (12.0–16.0), Mo (5.0–9.0), B (0.005M), Zr (0.06M), S (0.015M), Ni (B) Combustion chambers, jet pipes and reheat systems for high-performance gas turbine engines

*B = Balance, M = Maximum.

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