Nickel Alloy ENi-1-AW vs ENi-1-SR
Nickel Alloy · ENi-1 temper comparison
ENi-1-AW and ENi-1-SR are two conditions of the same nickel alloy grade, ENi-1: AW (as-welded deposit) versus SR (stress relieved). The chemistry is identical, so every difference below comes from the condition. ENi-1-AW is the stronger of the two: yield strength 250 MPa (36.3 ksi) against 220 MPa (31.9 ksi) for ENi-1-SR, about 14% more. In exchange, ENi-1-SR is the more ductile: elongation 34% versus 30% for ENi-1-AW, and ENi-1-AW is harder (100 HB vs 90 HB).
ENi-1-AWChoose it when strength drives the design.
ENi-1-SRChoose it when the part is bent, formed or impact-loaded.
ENi-1-AW vs ENi-1-SR: 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
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 B
Hardness, Vickers
Same in both: Shear Modulus 76 GPa11 Msi · Bulk Modulus 180 GPa26.1 Msi · Poisson's Ratio 0.31
Physical
Density and transition temperatures.
Same in both: Density 8.9 g/cm³0.32 lb/in³ · Melting Point (Solidus) 1,435°C2,615 °F · Liquidus Temperature 1,445°C2,633 °F
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Same in both: Specific Heat Capacity 456 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 13.3 µm/m·K7.4 µin/in·°F · Latent Heat of Fusion 297 J/g128 BTU/lb · Max Service Temperature (continuous) 400°C752 °F · Min Service Temperature -196°C-321 °F
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.2 V
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Machinability Rating (AISI 1212 = 100 %)
Formability (cold)
Same in both: Weldability 85 / 100 · Brazeability / Solderability 60 / 100 · Polishability 60 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 130 MJ/kg55,890 BTU/lb · Embodied Carbon (primary production) 13 kg CO₂/kg · Typical Recycled Content 25%
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.
ENi-1-AW vs ENi-1-SR — frequently asked
Is ENi-1-AW stronger than ENi-1-SR?
Yes. ENi-1-AW has a typical yield strength of 250 MPa (36.3 ksi) against 220 MPa (31.9 ksi) for ENi-1-SR — about 14% more. Tensile strength is 440 MPa (63.8 ksi) vs 420 MPa (60.9 ksi).
Which condition does FabDigit quote by default, AW or SR?
AW is the default ENi-1 condition in the FabDigit quote flow. 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.
When should I choose ENi-1-AW over ENi-1-SR?
Pick ENi-1-AW when strength drives the design. Pick ENi-1-SR when the part is bent, formed or impact-loaded.
Ready to make it?
Upload a CAD file and FabDigit prices the part in ENi-1-AW and ENi-1-SR 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.