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Nickel Alloy Hastelloy X vs N06219

Nickel Alloy · grade comparison

Nickel Alloy Hastelloy X and N06219 are both nickel alloy grades. N06219 is the stronger of the two: yield strength 380 MPa (55.1 ksi) against 360 MPa (52.2 ksi) for Hastelloy X, about 6% more. N06219 is the more ductile: elongation 60% versus 43% for Hastelloy X. Hastelloy X is lighter (8.22 g/cm³ vs 8.7 g/cm³ for N06219) and Hastelloy X runs hotter in service (1,150°C vs 1,000°C continuous). On the shop floor, Hastelloy X sits in a lower cost tier (premium, $$$) than N06219 (high, $$$$).

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

N06219Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

Hastelloy X vs N06219: properties

Hastelloy XN06219

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Bulk Modulus

190 GPa27.6 Msi
180 GPa26.1 Msi

Poisson's Ratio

0.32
0.31

Tensile Strength (Ultimate)

755 MPa110 ksi
760 MPa110 ksi

Yield Strength (0.2% offset)

360 MPa52.2 ksi
380 MPa55.1 ksi

Elongation at Break

43%
60%

Reduction in Area

55%
65%

Compressive Strength

370 MPa53.7 ksi
—

Shear Strength

490 MPa71.1 ksi
460 MPa66.7 ksi

Fatigue Strength (Endurance Limit)

300 MPa43.5 ksi
340 MPa49.3 ksi

Fracture Toughness (K_IC)

120 MPa·√m109 ksi·√in
—

Charpy V-Notch Impact (RT)

100 J73.8 ft·lbf
200 J148 ft·lbf

Same in both: Elastic (Young's) Modulus 205 GPa29.7 Msi · Shear Modulus 79 GPa11.5 Msi · Hardness, Brinell 195 HB · Hardness, Rockwell B 90 HRB · Hardness, Vickers 205 HV

Physical

Density and transition temperatures.

Density

8.22 g/cm³0.3 lb/in³
8.7 g/cm³0.31 lb/in³

Melting Point (Solidus)

1,260°C2,300 °F
1,325°C2,417 °F

Liquidus Temperature

1,355°C2,471 °F
1,370°C2,498 °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
10.5 W/m·K6.1 BTU/hr·ft·°F

Specific Heat Capacity

486 J/kg·K0.12 BTU/lb·°F
420 J/kg·K0.1 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

13.9 µm/m·K7.7 µin/in·°F
12.4 µm/m·K6.9 µin/in·°F

Max Service Temperature (continuous)

1,150°C2,102 °F
1,000°C1,832 °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

1.5 % IACS
1.4 % IACS

Electrical Resistivity

1.18×10⁻⁶ Ω·m46.5 µΩ·in
1.25×10⁻⁶ Ω·m49.2 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

76 / 100
92 / 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.

Weldability

85 / 100
82 / 100

Formability (cold)

70 / 100
72 / 100

Castability

55 / 100
35 / 100

Brazeability / Solderability

80 / 100
55 / 100

Polishability

70 / 100
75 / 100

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

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

215 MJ/kg92,433 BTU/lb
140 MJ/kg60,189 BTU/lb

Embodied Carbon (primary production)

13.5 kg CO₂/kg
13 kg CO₂/kg

Embodied Water

520 L/kg62.3 gal/lb
250 L/kg30 gal/lb

Same in both: Typical Recycled Content 35%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

92 kN·m/kg
87 kN·m/kg

Specific Stiffness (E / density)

24.9 MN·m/kg
23.6 MN·m/kg

Modulus of Resilience

316 kJ/m³
352 kJ/m³

Thermal Diffusivity

2.3 mm²/s
2.9 mm²/s

Thermal Shock Resistance Index

2
3

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 XN06219

Manufacturing and finishing

CapabilityHastelloy XN06219
CNC machiningYes—
Sheet metalYes—
3D printingYes—
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 X vs N06219 — frequently asked

Is N06219 stronger than Hastelloy X?

Yes. N06219 has a typical yield strength of 380 MPa (55.1 ksi) against 360 MPa (52.2 ksi) for Hastelloy X — about 6% more. Tensile strength is 760 MPa (110 ksi) vs 755 MPa (110 ksi).

Which is cheaper, Hastelloy X or N06219?

Hastelloy X is the lower-cost material: it sits in the premium tier ($$$) while N06219 is high ($$$$). 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 X over N06219?

Pick Hastelloy X when weight is the constraint, or when the part sees heat. Pick N06219 when strength drives the design, or when the part is bent, formed or impact-loaded.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Hastelloy X and N06219 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.