Nickel Alloy 925 vs Alloy 22
Nickel Alloy · grade comparison
Nickel Alloy 925 and Alloy 22 are both nickel alloy grades. 925 is the stronger of the two: yield strength 830 MPa (120 ksi) against 400 MPa (58 ksi) for Alloy 22, about 108% more; tensile strength follows at 1,210 MPa (175 ksi) vs 800 MPa (116 ksi). In exchange, Alloy 22 is the more ductile: elongation 62% versus 25% for 925, and 925 is harder (320 HB vs 200 HB). 925 is lighter (8.08 g/cm³ vs 8.69 g/cm³ for Alloy 22) and Alloy 22 runs hotter in service (675°C vs 540°C continuous). On the shop floor, Alloy 22 welds better (excellent vs good).
925Choose it when strength drives the design, or when weight is the constraint.
Alloy 22Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.
925 vs Alloy 22: 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.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Elastic (Young's) Modulus
Shear Modulus
Bulk Modulus
Poisson's Ratio
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Brinell
Hardness, Rockwell C
Hardness, Vickers
Compressive Strength
Hardness, Rockwell B
Physical
Density and transition temperatures.
Density
Melting Point (Solidus)
Liquidus Temperature
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Specific Heat Capacity
Thermal Expansion (CTE, 20–100 °C)
Latent Heat of Fusion
Max Service Temperature (continuous)
Min Service Temperature
Electrical
Conductivity and insulation.
Electrical Resistivity
Same in both: Electrical Conductivity 1.5 % IACS
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Galvanic Potential (seawater, vs SCE)
Corrosion Resistance
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Weldability
Formability (cold)
Brazeability / Solderability
Castability
Same in both: Machinability Rating (AISI 1212 = 100 %) 12% · Polishability 75 / 100
Sustainability
Primary-production footprint per kilogram.
Embodied Energy (primary production)
Embodied Carbon (primary production)
Embodied Water
Typical Recycled Content
Common Calculations
Ratios derived from the values above.
Specific Strength (UTS / density)
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Thermal Shock Resistance Index
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.
Manufacturing and finishing
| Capability | 925 | Alloy 22 |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$$ High | $$$$ High |
| Min. machined wall | — | — |
| Best machined surface | — | — |
Both take the same 3 finishes: Gold Plating, Plasma Spray, Silver Plating.
925 vs Alloy 22 — frequently asked
Is 925 stronger than Alloy 22?
Yes. 925 has a typical yield strength of 830 MPa (120 ksi) against 400 MPa (58 ksi) for Alloy 22 — about 108% more. Tensile strength is 1,210 MPa (175 ksi) vs 800 MPa (116 ksi).
Which is cheaper, 925 or Alloy 22?
Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.
Which welds better, 925 or Alloy 22?
Alloy 22. Its weldability rates excellent (85/100) against good (55/100) for 925.
Ready to make it?
Upload a CAD file and FabDigit prices the part in 925 and Alloy 22 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.