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Nickel Alloy Hastelloy B-2 vs Hastelloy C276

Nickel Alloy · grade comparison

Nickel Alloy Hastelloy B-2 and Hastelloy C276 are both nickel alloy grades. Hastelloy B-2 is the stronger of the two: yield strength 415 MPa (60.2 ksi) against 360 MPa (52.2 ksi) for Hastelloy C276, about 15% more; tensile strength follows at 895 MPa (130 ksi) vs 790 MPa (115 ksi). In exchange, Hastelloy C276 is the more ductile: elongation 60% versus 52% for Hastelloy B-2. Hastelloy C276 is lighter (8.89 g/cm³ vs 9.22 g/cm³ for Hastelloy B-2) and Hastelloy B-2 is stiffer (217 GPa vs 205 GPa). On the shop floor, Hastelloy C276 welds better (excellent vs very good) and Hastelloy C276 sits in a lower cost tier (premium, $$$) than Hastelloy B-2 (high, $$$$).

Hastelloy B-2Choose it when strength drives the design.

Hastelloy C276Choose it when the part is bent, formed or impact-loaded, or when weight is the constraint.

Hastelloy B-2 vs Hastelloy C276: properties

Hastelloy B-2Hastelloy C276

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

217 GPa31.5 Msi
205 GPa29.7 Msi

Shear Modulus

82 GPa11.9 Msi
79 GPa11.5 Msi

Bulk Modulus

200 GPa29 Msi
180 GPa26.1 Msi

Poisson's Ratio

0.32
0.31

Tensile Strength (Ultimate)

895 MPa130 ksi
790 MPa115 ksi

Yield Strength (0.2% offset)

415 MPa60.2 ksi
360 MPa52.2 ksi

Elongation at Break

52%
60%

Reduction in Area

60%
65%

Compressive Strength

430 MPa62.4 ksi
—

Shear Strength

580 MPa84.1 ksi
480 MPa69.6 ksi

Fatigue Strength (Endurance Limit)

340 MPa49.3 ksi
350 MPa50.8 ksi

Charpy V-Notch Impact (RT)

250 J184 ft·lbf
190 J140 ft·lbf

Hardness, Brinell

200 HB
194 HB

Hardness, Rockwell B

93 HRB
90 HRB

Hardness, Vickers

210 HV
—

Fracture Toughness (K_IC)

—
200 MPa·√m182 ksi·√in

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,330°C2,426 °F
1,323°C2,413 °F

Liquidus Temperature

1,380°C2,516 °F
1,371°C2,500 °F

Thermal

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

Thermal Conductivity

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

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

425°C797 °F
650°C1,202 °F

Latent Heat of Fusion

—
290 J/g125 BTU/lb

Same in both: Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.3 % IACS
1.3 % IACS

Electrical Resistivity

1.37×10⁻⁶ Ω·m53.9 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)

-0.25 V
-0.05 V

Corrosion Resistance

78 / 100
95 / 100

Manufacturability

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

Machinability

22 / 100
18 / 100

Weldability

72 / 100
85 / 100

Formability (cold)

68 / 100
75 / 100

Castability

30 / 100
40 / 100

Brazeability / Solderability

50 / 100
65 / 100

Polishability

70 / 100
75 / 100

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

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

185 MJ/kg79,536 BTU/lb
210 MJ/kg90,284 BTU/lb

Embodied Carbon (primary production)

14.5 kg CO₂/kg
14 kg CO₂/kg

Embodied Water

500 L/kg59.9 gal/lb
—

Typical Recycled Content

35%
40%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

97 kN·m/kg
89 kN·m/kg

Specific Stiffness (E / density)

23.5 MN·m/kg
23.1 MN·m/kg

Modulus of Resilience

397 kJ/m³
316 kJ/m³

Thermal Diffusivity

3.2 mm²/s
2.7 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 C276Hastelloy B-2

Manufacturing and finishing

CapabilityHastelloy B-2Hastelloy 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 B-2 vs Hastelloy C276 — frequently asked

Is Hastelloy B-2 stronger than Hastelloy C276?

Yes. Hastelloy B-2 has a typical yield strength of 415 MPa (60.2 ksi) against 360 MPa (52.2 ksi) for Hastelloy C276 — about 15% more. Tensile strength is 895 MPa (130 ksi) vs 790 MPa (115 ksi).

Which is cheaper, Hastelloy B-2 or Hastelloy C276?

Hastelloy C276 is the lower-cost material: it sits in the premium tier ($$$) while Hastelloy B-2 is high ($$$$). 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 B-2 or Hastelloy C276?

Hastelloy C276. Its weldability rates excellent (85/100) against very good (72/100) for Hastelloy B-2.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Hastelloy B-2 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.