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Nickel Alloy Hastelloy C276 vs N10624

Nickel Alloy · grade comparison

Nickel Alloy Hastelloy C276 and N10624 are both nickel alloy grades. N10624 is the stronger of the two: yield strength 400 MPa (58 ksi) against 360 MPa (52.2 ksi) for Hastelloy C276, about 11% more; tensile strength follows at 890 MPa (129 ksi) vs 790 MPa (115 ksi). N10624 is harder — 210 HB against 194 HB for Hastelloy C276 — which matters for wear surfaces and threads. Hastelloy C276 is lighter (8.89 g/cm³ vs 9.22 g/cm³ for N10624) and N10624 is stiffer (216 GPa vs 205 GPa). On the shop floor, Hastelloy C276 welds better (excellent vs good) and Hastelloy C276 sits in a lower cost tier (premium, $$$) than N10624 (high, $$$$).

Hastelloy C276Choose it when weight is the constraint, or when the part sees heat.

N10624Choose it when strength drives the design, or when surface hardness matters.

Hastelloy C276 vs N10624: properties

Hastelloy C276N10624

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

205 GPa29.7 Msi
216 GPa31.3 Msi

Shear Modulus

79 GPa11.5 Msi
83 GPa12 Msi

Bulk Modulus

180 GPa26.1 Msi
190 GPa27.6 Msi

Tensile Strength (Ultimate)

790 MPa115 ksi
890 MPa129 ksi

Yield Strength (0.2% offset)

360 MPa52.2 ksi
400 MPa58 ksi

Elongation at Break

60%
55%

Reduction in Area

65%
60%

Shear Strength

480 MPa69.6 ksi
540 MPa78.3 ksi

Fracture Toughness (K_IC)

200 MPa·√m182 ksi·√in
—

Charpy V-Notch Impact (RT)

190 J140 ft·lbf
180 J133 ft·lbf

Hardness, Brinell

194 HB
210 HB

Hardness, Rockwell B

90 HRB
95 HRB

Hardness, Vickers

—
220 HV

Same in both: Poisson's Ratio 0.31 · Fatigue Strength (Endurance Limit) 350 MPa50.8 ksi

Physical

Density and transition temperatures.

Density

8.89 g/cm³0.32 lb/in³
9.22 g/cm³0.33 lb/in³

Melting Point (Solidus)

1,323°C2,413 °F
1,330°C2,426 °F

Liquidus Temperature

1,371°C2,500 °F
1,380°C2,516 °F

Thermal

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

Thermal Conductivity

10.2 W/m·K5.9 BTU/hr·ft·°F
11 W/m·K6.4 BTU/hr·ft·°F

Specific Heat Capacity

427 J/kg·K0.1 BTU/lb·°F
373 J/kg·K0.09 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

11.2 µm/m·K6.2 µin/in·°F
10.3 µm/m·K5.7 µin/in·°F

Max Service Temperature (continuous)

650°C1,202 °F
480°C896 °F

Same in both: Latent Heat of Fusion 290 J/g125 BTU/lb · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.3 % IACS
1.3 % IACS

Electrical Resistivity

1.3×10⁻⁶ Ω·m51.2 µΩ·in
1.37×10⁻⁶ Ω·m53.9 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.05 V
-0.12 V

Corrosion Resistance

95 / 100
88 / 100

Manufacturability

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

Machinability

18 / 100
20 / 100

Weldability

85 / 100
65 / 100

Formability (cold)

75 / 100
70 / 100

Castability

40 / 100
35 / 100

Brazeability / Solderability

65 / 100
55 / 100

Polishability

75 / 100
70 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 12%

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

210 MJ/kg90,284 BTU/lb
145 MJ/kg62,339 BTU/lb

Embodied Carbon (primary production)

14 kg CO₂/kg
13.5 kg CO₂/kg

Typical Recycled Content

40%
30%

Embodied Water

—
300 L/kg35.9 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

89 kN·m/kg
97 kN·m/kg

Specific Stiffness (E / density)

23.1 MN·m/kg
23.4 MN·m/kg

Modulus of Resilience

316 kJ/m³
370 kJ/m³

Thermal Diffusivity

2.7 mm²/s
3.2 mm²/s

Same in both: Thermal Shock Resistance Index 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 scaleHastelloy C276N10624

Manufacturing and finishing

CapabilityHastelloy C276N10624
CNC machiningYes—
Sheet metalYes—
Default conditionSolution Annealed—
Relative cost$$$ Premium$$$$ High
Min. machined wall1.5 mm—
Best machined surfaceRa 1.6 µm—
ElectropolishingYes—
HVOF CoatingYes—

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

Hastelloy C276 vs N10624 — frequently asked

Is N10624 stronger than Hastelloy C276?

Yes. N10624 has a typical yield strength of 400 MPa (58 ksi) against 360 MPa (52.2 ksi) for Hastelloy C276 — about 11% more. Tensile strength is 890 MPa (129 ksi) vs 790 MPa (115 ksi).

Which is cheaper, Hastelloy C276 or N10624?

Hastelloy C276 is the lower-cost material: it sits in the premium tier ($$$) while N10624 is high ($$$$). 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, Hastelloy C276 or N10624?

Hastelloy C276. Its weldability rates excellent (85/100) against good (65/100) for N10624.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Hastelloy C276 and N10624 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.