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Stainless Steel 1.4848 vs CK3MCuN

Stainless Steel · grade comparison

Stainless Steel 1.4848 and CK3MCuN are both stainless steel grades. CK3MCuN is the stronger of the two: yield strength 295 MPa (42.8 ksi) against 280 MPa (40.6 ksi) for 1.4848, about 5% more; tensile strength follows at 585 MPa (84.8 ksi) vs 530 MPa (76.9 ksi). CK3MCuN is the more ductile: elongation 45% versus 14% for 1.4848, and 1.4848 is harder (190 HB vs 175 HB). 1.4848 is lighter (7.75 g/cm³ vs 8 g/cm³ for CK3MCuN) and CK3MCuN is stiffer (195 GPa vs 185 GPa). On the shop floor, CK3MCuN welds better (very good vs fair) and 1.4848 sits in a lower cost tier (premium, $$$) than CK3MCuN (high, $$$$).

1.4848Choose it when weight is the constraint, or when the part sees heat.

CK3MCuNChoose it when strength drives the design, or when the part is bent, formed or impact-loaded.

1.4848 vs CK3MCuN: properties

1.4848CK3MCuN

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

185 GPa26.8 Msi
195 GPa28.3 Msi

Shear Modulus

72 GPa10.4 Msi
75 GPa10.9 Msi

Bulk Modulus

147 GPa21.3 Msi
162 GPa23.5 Msi

Poisson's Ratio

0.29
0.3

Tensile Strength (Ultimate)

530 MPa76.9 ksi
585 MPa84.8 ksi

Yield Strength (0.2% offset)

280 MPa40.6 ksi
295 MPa42.8 ksi

Elongation at Break

14%
45%

Reduction in Area

15%
50%

Shear Strength

345 MPa50 ksi
400 MPa58 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
230 MPa33.4 ksi

Charpy V-Notch Impact (RT)

12 J8.9 ft·lbf
150 J111 ft·lbf

Hardness, Brinell

190 HB
175 HB

Hardness, Rockwell B

90 HRB
88 HRB

Hardness, Vickers

200 HV
185 HV

Physical

Density and transition temperatures.

Density

7.75 g/cm³0.28 lb/in³
8 g/cm³0.29 lb/in³

Melting Point (Solidus)

1,370°C2,498 °F
1,320°C2,408 °F

Liquidus Temperature

1,425°C2,597 °F
1,390°C2,534 °F

Thermal

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

Thermal Conductivity

14 W/m·K8.1 BTU/hr·ft·°F
13.5 W/m·K7.8 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

15 µm/m·K8.3 µin/in·°F
16.5 µm/m·K9.2 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

1,100°C2,012 °F
400°C752 °F

Min Service Temperature

-50°C-58 °F
-196°C-321 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.9 % IACS
2 % IACS

Electrical Resistivity

9×10⁻⁷ Ω·m35.4 µΩ·in
8.5×10⁻⁷ Ω·m33.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.1 V
-0.08 V

Corrosion Resistance

58 / 100
88 / 100

Manufacturability

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

Weldability

45 / 100
70 / 100

Formability (cold)

8 / 100
40 / 100

Castability

75 / 100
60 / 100

Brazeability / Solderability

30 / 100
45 / 100

Polishability

45 / 100
70 / 100

Same in both: Machinability 25 / 100 · Machinability Rating (AISI 1212 = 100 %) 25%

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

62 MJ/kg26,655 BTU/lb
78 MJ/kg33,534 BTU/lb

Embodied Carbon (primary production)

4.6 kg CO₂/kg
5.2 kg CO₂/kg

Typical Recycled Content

75%
55%

Same in both: Embodied Water 200 L/kg24 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

68 kN·m/kg
73 kN·m/kg

Specific Stiffness (E / density)

23.9 MN·m/kg
24.4 MN·m/kg

Modulus of Resilience

212 kJ/m³
223 kJ/m³

Thermal Diffusivity

3.6 mm²/s
3.4 mm²/s

Thermal Shock Resistance Index

3
2

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 scale1.4848CK3MCuN

Manufacturing and finishing

Capability1.4848CK3MCuN
Default condition——
Relative cost$$$ Premium$$$$ High
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.

1.4848 vs CK3MCuN — frequently asked

Is CK3MCuN stronger than 1.4848?

Yes. CK3MCuN has a typical yield strength of 295 MPa (42.8 ksi) against 280 MPa (40.6 ksi) for 1.4848 — about 5% more. Tensile strength is 585 MPa (84.8 ksi) vs 530 MPa (76.9 ksi).

Which is cheaper, 1.4848 or CK3MCuN?

1.4848 is the lower-cost material: it sits in the premium tier ($$$) while CK3MCuN is high ($$$$). 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, 1.4848 or CK3MCuN?

CK3MCuN. Its weldability rates very good (70/100) against fair (45/100) for 1.4848.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4848 and CK3MCuN 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.