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Nickel Alloy Hastelloy C-2000 vs Hastelloy C276

Nickel Alloy · grade comparison

Nickel Alloy Hastelloy C-2000 and Hastelloy C276 are both nickel alloy grades. Both yield at about 355 MPa — strength does not separate them. Hastelloy C276 is harder — 194 HB against 175 HB for Hastelloy C-2000 — which matters for wear surfaces and threads. Hastelloy C-2000 is lighter (8.5 g/cm³ vs 8.89 g/cm³ for Hastelloy C276) and Hastelloy C276 conducts heat better (10.2 W/m·K vs 9.1 W/m·K). On the shop floor, Hastelloy C276 sits in a lower cost tier (premium, $$$) than Hastelloy C-2000 (high, $$$$).

Hastelloy C-2000Choose it when weight is the constraint.

Hastelloy C276Choose it when surface hardness matters, or when cost is the deciding factor.

Hastelloy C-2000 vs Hastelloy C276: properties

Hastelloy C-2000Hastelloy C276

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

207 GPa30 Msi
205 GPa29.7 Msi

Bulk Modulus

182 GPa26.4 Msi
180 GPa26.1 Msi

Tensile Strength (Ultimate)

760 MPa110 ksi
790 MPa115 ksi

Yield Strength (0.2% offset)

355 MPa51.5 ksi
360 MPa52.2 ksi

Elongation at Break

62%
60%

Compressive Strength

360 MPa52.2 ksi
—

Shear Strength

460 MPa66.7 ksi
480 MPa69.6 ksi

Fatigue Strength (Endurance Limit)

300 MPa43.5 ksi
350 MPa50.8 ksi

Charpy V-Notch Impact (RT)

250 J184 ft·lbf
190 J140 ft·lbf

Hardness, Brinell

175 HB
194 HB

Hardness, Rockwell B

88 HRB
90 HRB

Hardness, Vickers

185 HV
—

Fracture Toughness (K_IC)

—
200 MPa·√m182 ksi·√in

Same in both: Shear Modulus 79 GPa11.5 Msi · Poisson's Ratio 0.31 · Reduction in Area 65%

Physical

Density and transition temperatures.

Density

8.5 g/cm³0.31 lb/in³
8.89 g/cm³0.32 lb/in³

Melting Point (Solidus)

1,328°C2,422 °F
1,323°C2,413 °F

Liquidus Temperature

1,358°C2,476 °F
1,371°C2,500 °F

Thermal

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

Thermal Conductivity

9.1 W/m·K5.3 BTU/hr·ft·°F
10.2 W/m·K5.9 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

700°C1,292 °F
650°C1,202 °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

1.4 % IACS
1.3 % IACS

Electrical Resistivity

1.28×10⁻⁶ Ω·m50.4 µΩ·in
1.3×10⁻⁶ Ω·m51.2 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.1 V
-0.05 V

Corrosion Resistance

93 / 100
95 / 100

Manufacturability

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

Formability (cold)

78 / 100
75 / 100

Castability

35 / 100
40 / 100

Brazeability / Solderability

60 / 100
65 / 100

Same in both: Machinability 18 / 100 · Machinability Rating (AISI 1212 = 100 %) 12% · Weldability 85 / 100 · Polishability 75 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

180 MJ/kg77,386 BTU/lb
210 MJ/kg90,284 BTU/lb

Embodied Carbon (primary production)

13 kg CO₂/kg
14 kg CO₂/kg

Embodied Water

300 L/kg35.9 gal/lb
—

Typical Recycled Content

35%
40%

Common Calculations

Ratios derived from the values above.

Specific Stiffness (E / density)

24.4 MN·m/kg
23.1 MN·m/kg

Modulus of Resilience

304 kJ/m³
316 kJ/m³

Thermal Diffusivity

2.5 mm²/s
2.7 mm²/s

Thermal Shock Resistance Index

3
4

Same in both: Specific Strength (UTS / density) 89 kN·m/kg

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 C276Hastelloy C-2000

Manufacturing and finishing

CapabilityHastelloy C-2000Hastelloy C276
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.

Hastelloy C-2000 vs Hastelloy C276 — frequently asked

What is the difference between Hastelloy C-2000 and Hastelloy C276?

Nickel Alloy Hastelloy C-2000 and Hastelloy C276 are both nickel alloy grades. Both yield at about 355 MPa — strength does not separate them. Hastelloy C276 is harder — 194 HB against 175 HB for Hastelloy C-2000 — which matters for wear surfaces and threads.

Which is cheaper, Hastelloy C-2000 or Hastelloy C276?

Hastelloy C276 is the lower-cost material: it sits in the premium tier ($$$) while Hastelloy C-2000 is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose Hastelloy C-2000 over Hastelloy C276?

Pick Hastelloy C-2000 when weight is the constraint. Pick Hastelloy C276 when surface hardness matters, or when cost is the deciding factor.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Hastelloy C-2000 and Hastelloy C276 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.