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Nickel Alloy Inconel 600 1/2H vs Inconel 600-FH

Nickel Alloy · Inconel 600 temper comparison

Inconel 600 1/2H and Inconel 600-FH are two conditions of the same nickel alloy grade, Inconel 600: 1/2H (half hard) versus FH (full hard). The chemistry is identical, so every difference below comes from the condition. Inconel 600-FH is the stronger of the two: yield strength 930 MPa (135 ksi) against 700 MPa (102 ksi) for Inconel 600 1/2H, about 33% more; tensile strength follows at 1,070 MPa (155 ksi) vs 880 MPa (128 ksi). In exchange, Inconel 600 1/2H is the more ductile: elongation 12% versus 4% for Inconel 600-FH, and Inconel 600-FH is harder (320 HB vs 250 HB). Inconel 600 1/2H runs hotter in service (480°C vs 400°C continuous). On the shop floor, Inconel 600 1/2H welds better (65 vs 55 out of 100).

Inconel 600 1/2HChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.

Inconel 600-FHChoose it when strength drives the design.

Inconel 600 1/2H vs Inconel 600-FH: properties

Inconel 600 1/2HInconel 600-FH

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

880 MPa128 ksi
1,070 MPa155 ksi

Yield Strength (0.2% offset)

700 MPa102 ksi
930 MPa135 ksi

Elongation at Break

12%
4%

Fatigue Strength (Endurance Limit)

350 MPa50.8 ksi
420 MPa60.9 ksi

Hardness, Brinell

250 HB
320 HB

Hardness, Rockwell B

100 HRB
78 HRB

Same in both: Elastic (Young's) Modulus 214 GPa31 Msi · Shear Modulus 76 GPa11 Msi · Bulk Modulus 200 GPa29 Msi · Poisson's Ratio 0.32 · Reduction in Area 60% · Shear Strength 410 MPa59.5 ksi · Fracture Toughness (K_IC) 130 MPa·√m118 ksi·√in · Charpy V-Notch Impact (RT) 250 J184 ft·lbf

Physical

Density and transition temperatures.

Same in both: Density 8.47 g/cm³0.31 lb/in³ · Melting Point (Solidus) 1,354°C2,469 °F · Liquidus Temperature 1,413°C2,575 °F

Thermal

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

Max Service Temperature (continuous)

480°C896 °F
400°C752 °F

Same in both: Thermal Conductivity 14.9 W/m·K8.6 BTU/hr·ft·°F · Specific Heat Capacity 444 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 13.3 µm/m·K7.4 µin/in·°F · Latent Heat of Fusion 290 J/g125 BTU/lb · Min Service Temperature -250°C-418 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 1.7 % IACS · Electrical Resistivity 1.03×10⁻⁶ Ω·m40.6 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

72 / 100
70 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.17 V

Manufacturability

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

Machinability

32 / 100
30 / 100

Machinability Rating (AISI 1212 = 100 %)

28%
25%

Weldability

65 / 100
55 / 100

Formability (cold)

35 / 100
15 / 100

Same in both: Castability 30 / 100 · Brazeability / Solderability 65 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 150 MJ/kg64,488 BTU/lb · Embodied Carbon (primary production) 11.5 kg CO₂/kg · Embodied Water 320 L/kg38.3 gal/lb · Typical Recycled Content 40%

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 600

Inconel 600 1/2H vs Inconel 600-FH — frequently asked

Is Inconel 600-FH stronger than Inconel 600 1/2H?

Yes. Inconel 600-FH has a typical yield strength of 930 MPa (135 ksi) against 700 MPa (102 ksi) for Inconel 600 1/2H — about 33% more. Tensile strength is 1,070 MPa (155 ksi) vs 880 MPa (128 ksi).

Which condition does FabDigit quote by default, 1/2H or FH?

ANN is the default Inconel 600 condition in the FabDigit quote flow (neither 1/2H nor FH). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.

Which welds better, Inconel 600 1/2H or Inconel 600-FH?

Inconel 600 1/2H. Its weldability rates good (65/100) against good (55/100) for Inconel 600-FH.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Inconel 600 1/2H and Inconel 600-FH 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.