Nickel Alloy Inconel X-750-ANN vs Inconel X-750 HR+AGE
Nickel Alloy · Inconel X-750 temper comparison
Inconel X-750-ANN and Inconel X-750 HR+AGE are two conditions of the same nickel alloy grade, Inconel X-750: ANN (annealed) versus HR+AGE (hot rolled / hot finished + aged 732 °C/16 h). The chemistry is identical, so every difference below comes from the condition. Inconel X-750 HR+AGE is the stronger of the two: yield strength 900 MPa (131 ksi) against 350 MPa (50.8 ksi) for Inconel X-750-ANN, about 157% more; tensile strength follows at 1,300 MPa (189 ksi) vs 830 MPa (120 ksi). In exchange, Inconel X-750-ANN is the more ductile: elongation 45% versus 22% for Inconel X-750 HR+AGE, and Inconel X-750 HR+AGE is harder (340 HB vs 180 HB). Inconel X-750-ANN runs hotter in service (870°C vs 600°C continuous). On the shop floor, Inconel X-750-ANN welds better (good vs fair).
Inconel X-750-ANNChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
Inconel X-750 HR+AGEChoose it when strength drives the design.
Inconel X-750-ANN vs Inconel X-750 HR+AGE: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all nickel alloy grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all nickel alloy grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Inconel X-750-ANNInconel X-750 HR+AGE
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Compressive Strength
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Brinell
Hardness, Rockwell C
Hardness, Vickers
Same in both: Elastic (Young's) Modulus 214 GPa31 Msi · Shear Modulus 83 GPa12 Msi · Bulk Modulus 170 GPa24.7 Msi · Poisson's Ratio 0.29
Physical
Density and transition temperatures.
Same in both: Density 8.28 g/cm³0.3 lb/in³ · Melting Point (Solidus) 1,393°C2,539 °F · Liquidus Temperature 1,427°C2,601 °F
Thermal
How each material carries heat and how hot it can run.
Max Service Temperature (continuous)
Same in both: Thermal Conductivity 12 W/m·K6.9 BTU/hr·ft·°F · Specific Heat Capacity 431 J/kg·K0.1 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 12.6 µm/m·K7 µin/in·°F · Latent Heat of Fusion 290 J/g125 BTU/lb · Min Service Temperature -253°C-423 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 1.4 % IACS · Electrical Resistivity 1.22×10⁻⁶ Ω·m48 µΩ·in
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Same in both: Galvanic Potential (seawater, vs SCE) -0.05 V · Corrosion Resistance 80 / 100
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Machinability Rating (AISI 1212 = 100 %)
Weldability
Formability (cold)
Same in both: Castability 30 / 100 · Brazeability / Solderability 50 / 100 · Polishability 70 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 190 MJ/kg81,685 BTU/lb · Embodied Carbon (primary production) 13 kg CO₂/kg · Embodied Water 800 L/kg95.9 gal/lb · Typical Recycled Content 35%
Strength versus weight
Yield strength against density for every nickel alloy grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
Inconel X-750-ANN vs Inconel X-750 HR+AGE — frequently asked
Is Inconel X-750 HR+AGE stronger than Inconel X-750-ANN?
Yes. Inconel X-750 HR+AGE has a typical yield strength of 900 MPa (131 ksi) against 350 MPa (50.8 ksi) for Inconel X-750-ANN — about 157% more. Tensile strength is 1,300 MPa (189 ksi) vs 830 MPa (120 ksi).
Which condition does FabDigit quote by default, ANN or HR+AGE?
STA is the default Inconel X-750 condition in the FabDigit quote flow (neither ANN nor HR+AGE). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.
Which is easier to machine, Inconel X-750-ANN or Inconel X-750 HR+AGE?
Inconel X-750-ANN. Its machinability rates poor (22/100) against not recommended (14/100) for Inconel X-750 HR+AGE; for welding the order is Inconel X-750-ANN first (good, 60/100) then Inconel X-750 HR+AGE (fair, 40/100).
Ready to make it?
Upload a CAD file and FabDigit prices the part in Inconel X-750-ANN and Inconel X-750 HR+AGE side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.
Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.