Inconel 751 Scrap/ Inconel 751 Foundry Scrap/ Inco 751 Scrap

Product Description

Material DesignationsUNS N07751W.Nr. 2.4694Inconel Alloy 751AISI 688

Chemical Composition RangeNickel (Ni): 70.00 minChromium (Cr): 14.00 - 17.00Titanium (Ti): 2.00 - 2.60Aluminum (Al): 0.90 - 1.50Niobium (Nb): 0.70 - 1.20Iron (Fe): 5.00 - 9.00Manganese (Mn): 1.00 maxSilicon (Si): 0.50 maxCopper (Cu): 0.50 maxCarbon (C): 0.10 maxSulfur (S): 0.01 max

Physical PropertiesDensity: 8.22 g/cm³ (0.297 lb/in³)Melting Range: 1390°C - 1430°C (2534°F - 2606°F)Electrical Resistivity (20°C): 1.22 µΩ·mMagnetic Permeability (20°C): 1.002

Mechanical Properties (Typical, Precipitation Hardened / Aged)Tensile Strength: 1050 - 1250 MPa (152 - 181 ksi)Yield Strength (0.2% Offset): 700 - 850 MPa (101 - 123 ksi)Elongation: 15% - 25%Hardness: 30 - 40 HRC

Scrap and Foundry ClassificationPrimary Alloy Category: Precipitation-Hardened Nickel-Chromium Superalloy Scrap (Exhaust Valve Alloy)Scrap Forms: Valve Solids, Bar Ends, Turnings, Offcuts, Foundry Remelt Stock / IngotKey Remelt Criteria: Strict limits on lead, bismuth, and tin impurities; clean, oil-free preparation to optimize titanium/aluminum yields

Applicable SpecificationsSAE J775 (Engine Valve Materials)ASTM B637 (Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock)AMS 5765 (Bars, Forgings, and Rings)