IN100 Alloy Powder Description
IN100 Alloy (UNS N13100) is a precipitation hardenable, vacuum‐cast nickel‐based alloy. It exhibits high fracture strength owing to its aluminium and titanium content. The low content of Refractory Metals renders IN100 attractive in terms of the strength–density ratio. The alloy was successfully cast and used in a variety of forms, including turbine blades, vanes, nozzles and integrated wheels.
Stanford Advanced Materials (SAM) has over 20 years’ experience in manufacturing and supplying IN100 alloy powder (UNS N13100).

IN100 Alloy Powder Specification
Product Name
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IN100 Alloy (UNS N13100) Powder
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Alloy Grade
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K417 (K17, M17)
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Related Grades
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IN100
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Composition
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C 0.13–0.22 Cr 8.5–9.5 Co 14–16 Mo 2.5–3.5 Al 4.8–5.7 Ti 4.5–5.0 Fe 1.0 max. V 0.6–0.9
B 0.012–0.022 Zr 0.05–0.09 Mn 0.5 max Si 0.5 max S 0.01 max P 0.015 max Ni Balance
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Particle Size Ranges
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–105+45 micrometres
–53+15 micrometres
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ASTM
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/
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AMS Specification
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5397
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IN100 Alloy Powder Applications
Heat Treatment
Components manufactured from IN100 alloy powder receive a protective surface treatment to increase corrosion resistance. This treatment typically comprises a diffusion cycle at temperatures between 1 800°C and 2 100°C for 2–8 hours. Consequently, the material undergoes partial dissolution. If the coating is to be diffused at temperatures between 1 900°C and 1 950°C, the material is pre-dissolved at temperatures between 2 100°C and 2 150°C. Following the coating cycle, an ageing treatment at temperatures between 1 500°C and 1 600°C is recommended, thereby maintaining constant mechanical properties.
Machinability
IN100 alloy powder is more difficult to machine than carbon and stainless steels. However, by optimising cutting speeds, feeds, tooling and machining methods, satisfactory results can be achieved.