FabDigitFabDigit

Stainless Steel 1.4468 vs CD4MCuN

Stainless Steel · grade comparison

Stainless Steel 1.4468 and CD4MCuN are both stainless steel grades. CD4MCuN is the stronger of the two: yield strength 550 MPa (79.8 ksi) against 520 MPa (75.4 ksi) for 1.4468, about 6% more. In exchange, 1.4468 is the more ductile: elongation 30% versus 25% for CD4MCuN, and CD4MCuN is harder (250 HB vs 230 HB).

1.4468Choose it when the part is bent, formed or impact-loaded.

CD4MCuNChoose it when strength drives the design.

1.4468 vs CD4MCuN: properties

1.4468CD4MCuN

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Bulk Modulus

160 GPa23.2 Msi
145 GPa21 Msi

Tensile Strength (Ultimate)

750 MPa109 ksi
730 MPa106 ksi

Yield Strength (0.2% offset)

520 MPa75.4 ksi
550 MPa79.8 ksi

Elongation at Break

30%
25%

Reduction in Area

45%
40%

Compressive Strength

530 MPa76.9 ksi
560 MPa81.2 ksi

Fatigue Strength (Endurance Limit)

320 MPa46.4 ksi
300 MPa43.5 ksi

Fracture Toughness (K_IC)

120 MPa·√m109 ksi·√in
90 MPa·√m81.9 ksi·√in

Charpy V-Notch Impact (RT)

90 J66.4 ft·lbf
70 J51.6 ft·lbf

Hardness, Brinell

230 HB
250 HB

Hardness, Rockwell C

22 HRC
24 HRC

Hardness, Vickers

240 HV
262 HV

Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 77 GPa11.2 Msi · Poisson's Ratio 0.3 · Shear Strength 450 MPa65.3 ksi

Physical

Density and transition temperatures.

Density

7.8 g/cm³0.28 lb/in³
7.75 g/cm³0.28 lb/in³

Melting Point (Solidus)

1,400°C2,552 °F
1,410°C2,570 °F

Same in both: Liquidus Temperature 1,450°C2,642 °F

Thermal

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

Thermal Conductivity

15 W/m·K8.7 BTU/hr·ft·°F
16 W/m·K9.2 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

13 µm/m·K7.2 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Latent Heat of Fusion

260 J/g112 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

280°C536 °F
300°C572 °F

Same in both: Specific Heat Capacity 480 J/kg·K0.11 BTU/lb·°F · Min Service Temperature -50°C-58 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 2.2 % IACS · Electrical Resistivity 8×10⁻⁷ Ω·m31.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.2 V
-0.15 V

Same in both: Corrosion Resistance 78 / 100

Manufacturability

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

Machinability Rating (AISI 1212 = 100 %)

30%
25%

Weldability

62 / 100
55 / 100

Formability (cold)

25 / 100
15 / 100

Same in both: Machinability 30 / 100 · Castability 65 / 100 · Brazeability / Solderability 35 / 100 · Polishability 65 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

55 MJ/kg23,646 BTU/lb
53 MJ/kg22,786 BTU/lb

Embodied Water

200 L/kg24 gal/lb
120 L/kg14.4 gal/lb

Typical Recycled Content

80%
70%

Same in both: Embodied Carbon (primary production) 4.6 kg CO₂/kg

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

96 kN·m/kg
94 kN·m/kg

Specific Stiffness (E / density)

25.6 MN·m/kg
25.8 MN·m/kg

Modulus of Resilience

676 kJ/m³
756 kJ/m³

Thermal Diffusivity

4 mm²/s
4.3 mm²/s

Thermal Shock Resistance Index

4
5

Strength versus weight

Yield strength against density for every stainless steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

3005007001,0001,5002,0007.27.47.67.888.2Density (g/cm³)Yield strength (MPa) — log scaleCD4MCuN1.4468

Manufacturing and finishing

Capability1.4468CD4MCuN
Default condition——
Relative cost$$$ Premium$$$ Premium
Min. machined wall——
Best machined surface——

Both take the same 7 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Pickling, Plasma Spray, Silver Plating.

1.4468 vs CD4MCuN — frequently asked

Is CD4MCuN stronger than 1.4468?

Yes. CD4MCuN has a typical yield strength of 550 MPa (79.8 ksi) against 520 MPa (75.4 ksi) for 1.4468 — about 6% more. Tensile strength is 730 MPa (106 ksi) vs 750 MPa (109 ksi).

Which is cheaper, 1.4468 or CD4MCuN?

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

Which welds better, 1.4468 or CD4MCuN?

1.4468. Its weldability rates good (62/100) against good (55/100) for CD4MCuN.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4468 and CD4MCuN 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.