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Nickel Alloy Alloy 602 CA vs Inconel 601

Nickel Alloy · grade comparison

Nickel Alloy Alloy 602 CA and Inconel 601 are both nickel alloy grades. Alloy 602 CA is the stronger of the two: yield strength 330 MPa (47.9 ksi) against 310 MPa (45 ksi) for Inconel 601, about 6% more; tensile strength follows at 750 MPa (109 ksi) vs 690 MPa (100 ksi). Alloy 602 CA is harder — 185 HB against 150 HB for Inconel 601 — which matters for wear surfaces and threads. Alloy 602 CA is stiffer (217 GPa vs 206 GPa). On the shop floor, Inconel 601 machines more easily (28 vs 18 out of 100), Inconel 601 welds better (very good vs good), and Inconel 601 forms better (very good vs good).

Alloy 602 CAChoose it when strength drives the design, or when surface hardness matters.

Inconel 601Choose it when the part is machined in volume, or when it will be welded.

Alloy 602 CA vs Inconel 601: properties

Alloy 602 CAInconel 601

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

217 GPa31.5 Msi
206 GPa29.9 Msi

Shear Modulus

84 GPa12.2 Msi
79 GPa11.5 Msi

Bulk Modulus

181 GPa26.3 Msi
180 GPa26.1 Msi

Poisson's Ratio

0.3
0.31

Tensile Strength (Ultimate)

750 MPa109 ksi
690 MPa100 ksi

Yield Strength (0.2% offset)

330 MPa47.9 ksi
310 MPa45 ksi

Reduction in Area

50%
60%

Shear Strength

480 MPa69.6 ksi
470 MPa68.2 ksi

Charpy V-Notch Impact (RT)

90 J66.4 ft·lbf
170 J125 ft·lbf

Hardness, Brinell

185 HB
150 HB

Hardness, Rockwell B

90 HRB
80 HRB

Fracture Toughness (K_IC)

—
110 MPa·√m100 ksi·√in

Hardness, Vickers

—
160 HV

Same in both: Elongation at Break 45% · Fatigue Strength (Endurance Limit) 290 MPa42.1 ksi

Physical

Density and transition temperatures.

Density

7.9 g/cm³0.29 lb/in³
8.11 g/cm³0.29 lb/in³

Melting Point (Solidus)

1,340°C2,444 °F
1,360°C2,480 °F

Liquidus Temperature

1,400°C2,552 °F
1,411°C2,572 °F

Thermal

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

Thermal Conductivity

10.4 W/m·K6 BTU/hr·ft·°F
11.2 W/m·K6.5 BTU/hr·ft·°F

Specific Heat Capacity

450 J/kg·K0.11 BTU/lb·°F
448 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

12.5 µm/m·K6.9 µin/in·°F
13.8 µm/m·K7.7 µin/in·°F

Latent Heat of Fusion

290 J/g125 BTU/lb
—

Max Service Temperature (continuous)

1,200°C2,192 °F
1,150°C2,102 °F

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

Electrical

Conductivity and insulation.

Electrical Conductivity

1.4 % IACS
1.5 % IACS

Electrical Resistivity

1.23×10⁻⁶ Ω·m48.4 µΩ·in
1.19×10⁻⁶ Ω·m46.9 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

85 / 100
78 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.15 V

Manufacturability

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

Machinability

18 / 100
28 / 100

Machinability Rating (AISI 1212 = 100 %)

12%
13%

Weldability

60 / 100
78 / 100

Formability (cold)

55 / 100
72 / 100

Brazeability / Solderability

50 / 100
60 / 100

Polishability

60 / 100
70 / 100

Castability

—
25 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

150 MJ/kg64,488 BTU/lb
145 MJ/kg62,339 BTU/lb

Embodied Carbon (primary production)

11 kg CO₂/kg
13 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

35%
40%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

95 kN·m/kg
85 kN·m/kg

Specific Stiffness (E / density)

27.5 MN·m/kg
25.4 MN·m/kg

Modulus of Resilience

251 kJ/m³
233 kJ/m³

Thermal Diffusivity

2.9 mm²/s
3.1 mm²/s

Same in both: Thermal Shock Resistance Index 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 scaleInconel 601Alloy 602 CA

Manufacturing and finishing

CapabilityAlloy 602 CAInconel 601
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

Both take the same 3 finishes: Gold Plating, Plasma Spray, Silver Plating.

Alloy 602 CA vs Inconel 601 — frequently asked

Is Alloy 602 CA stronger than Inconel 601?

Yes. Alloy 602 CA has a typical yield strength of 330 MPa (47.9 ksi) against 310 MPa (45 ksi) for Inconel 601 — about 6% more. Tensile strength is 750 MPa (109 ksi) vs 690 MPa (100 ksi).

Which is cheaper, Alloy 602 CA or Inconel 601?

Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, Alloy 602 CA or Inconel 601?

Inconel 601, by a small margin. Both rate poor for machinability — 28/100 against 18/100 for Alloy 602 CA; for welding the order is Inconel 601 first (very good, 78/100) then Alloy 602 CA (good, 60/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in Alloy 602 CA and Inconel 601 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.