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Nickel Alloy N07773 vs Waspaloy

Nickel Alloy · grade comparison

Nickel Alloy N07773 and Waspaloy are both nickel alloy grades. N07773 is the stronger of the two: yield strength 1,030 MPa (149 ksi) against 520 MPa (75.4 ksi) for Waspaloy, about 98% more; tensile strength follows at 1,275 MPa (185 ksi) vs 930 MPa (135 ksi). In exchange, Waspaloy is the more ductile: elongation 45% versus 16% for N07773, and N07773 is harder (350 HB vs 250 HB). Waspaloy is stiffer (211 GPa vs 200 GPa). On the shop floor, Waspaloy sits in a lower cost tier (premium, $$$) than N07773 (high, $$$$).

N07773Choose it when strength drives the design.

WaspaloyChoose it when the part is bent, formed or impact-loaded, or when cost is the deciding factor.

N07773 vs Waspaloy: properties

N07773Waspaloy

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
211 GPa30.6 Msi

Shear Modulus

77 GPa11.2 Msi
81 GPa11.7 Msi

Bulk Modulus

165 GPa23.9 Msi
176 GPa25.5 Msi

Tensile Strength (Ultimate)

1,275 MPa185 ksi
930 MPa135 ksi

Yield Strength (0.2% offset)

1,030 MPa149 ksi
520 MPa75.4 ksi

Elongation at Break

16%
45%

Reduction in Area

25%
52%

Shear Strength

760 MPa110 ksi
620 MPa89.9 ksi

Fatigue Strength (Endurance Limit)

450 MPa65.3 ksi
360 MPa52.2 ksi

Fracture Toughness (K_IC)

90 MPa·√m81.9 ksi·√in
110 MPa·√m100 ksi·√in

Charpy V-Notch Impact (RT)

35 J25.8 ft·lbf
65 J47.9 ft·lbf

Hardness, Brinell

350 HB
250 HB

Hardness, Rockwell C

38 HRC
24 HRC

Hardness, Vickers

375 HV
262 HV

Same in both: Poisson's Ratio 0.3

Physical

Density and transition temperatures.

Density

8.2 g/cm³0.3 lb/in³
8.19 g/cm³0.3 lb/in³

Melting Point (Solidus)

1,260°C2,300 °F
1,330°C2,426 °F

Liquidus Temperature

1,340°C2,444 °F
1,360°C2,480 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

11.5 W/m·K6.6 BTU/hr·ft·°F
10.7 W/m·K6.2 BTU/hr·ft·°F

Specific Heat Capacity

435 J/kg·K0.1 BTU/lb·°F
480 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

13 µm/m·K7.2 µin/in·°F
12.2 µm/m·K6.8 µin/in·°F

Min Service Temperature

-253°C-423 °F
-196°C-321 °F

Latent Heat of Fusion

—
290 J/g125 BTU/lb

Same in both: Max Service Temperature (continuous) 650°C1,202 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

1.25×10⁻⁶ Ω·m49.2 µΩ·in
1.24×10⁻⁶ Ω·m48.8 µΩ·in

Same in both: Electrical Conductivity 1.4 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

78 / 100
74 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.1 V

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

15 / 100
18 / 100

Machinability Rating (AISI 1212 = 100 %)

12%
11%

Weldability

40 / 100
35 / 100

Formability (cold)

20 / 100
45 / 100

Castability

30 / 100
40 / 100

Brazeability / Solderability

55 / 100
50 / 100

Same in both: Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

150 MJ/kg64,488 BTU/lb
235 MJ/kg101,032 BTU/lb

Embodied Carbon (primary production)

12 kg CO₂/kg
15.5 kg CO₂/kg

Embodied Water

300 L/kg35.9 gal/lb
320 L/kg38.3 gal/lb

Same in both: Typical Recycled Content 35%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

155 kN·m/kg
114 kN·m/kg

Specific Stiffness (E / density)

24.4 MN·m/kg
25.8 MN·m/kg

Modulus of Resilience

2,652 kJ/m³
641 kJ/m³

Thermal Diffusivity

3.2 mm²/s
2.7 mm²/s

Thermal Shock Resistance Index

6
4

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.

2005001,0006.577.588.59Density (g/cm³)Yield strength (MPa) — log scaleWaspaloyN07773

Manufacturing and finishing

CapabilityN07773Waspaloy
CNC machining—Yes
Sheet metal—Yes
Default condition—Solution Annealed
Relative cost$$$$ High$$$ Premium
Min. machined wall—1.5 mm
Best machined surface—Ra 1.6 µm
Electropolishing—Yes
HVOF Coating—Yes

They share 3 finishes: Gold Plating, Plasma Spray, Silver Plating.

N07773 vs Waspaloy — frequently asked

Is N07773 stronger than Waspaloy?

Yes. N07773 has a typical yield strength of 1,030 MPa (149 ksi) against 520 MPa (75.4 ksi) for Waspaloy — about 98% more. Tensile strength is 1,275 MPa (185 ksi) vs 930 MPa (135 ksi).

Which is cheaper, N07773 or Waspaloy?

Waspaloy is the lower-cost material: it sits in the premium tier ($$$) while N07773 is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which welds better, N07773 or Waspaloy?

N07773. Its weldability rates fair (40/100) against fair (35/100) for Waspaloy.

Ready to make it?

Upload a CAD file and FabDigit prices the part in N07773 and Waspaloy 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.