FabDigitFabDigit

Stainless Steel 1.4515 vs CE8MN

Stainless Steel · grade comparison

Stainless Steel 1.4515 and CE8MN are both stainless steel grades. 1.4515 is the stronger of the two: yield strength 540 MPa (78.3 ksi) against 500 MPa (72.5 ksi) for CE8MN, about 8% more. In exchange, CE8MN is the more ductile: elongation 30% versus 25% for 1.4515, and 1.4515 is harder (235 HB vs 210 HB). CE8MN runs hotter in service (315°C vs 280°C continuous).

1.4515Choose it when strength drives the design.

CE8MNChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.

1.4515 vs CE8MN: properties

1.4515CE8MN

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
195 GPa28.3 Msi

Shear Modulus

77 GPa11.2 Msi
76 GPa11 Msi

Bulk Modulus

160 GPa23.2 Msi
162 GPa23.5 Msi

Tensile Strength (Ultimate)

740 MPa107 ksi
720 MPa104 ksi

Yield Strength (0.2% offset)

540 MPa78.3 ksi
500 MPa72.5 ksi

Elongation at Break

25%
30%

Reduction in Area

35%
40%

Compressive Strength

550 MPa79.8 ksi
500 MPa72.5 ksi

Shear Strength

450 MPa65.3 ksi
430 MPa62.4 ksi

Fatigue Strength (Endurance Limit)

330 MPa47.9 ksi
300 MPa43.5 ksi

Fracture Toughness (K_IC)

90 MPa·√m81.9 ksi·√in
100 MPa·√m91 ksi·√in

Charpy V-Notch Impact (RT)

45 J33.2 ft·lbf
80 J59 ft·lbf

Hardness, Brinell

235 HB
210 HB

Hardness, Rockwell B

98 HRB
—

Hardness, Rockwell C

22 HRC
20 HRC

Hardness, Vickers

245 HV
—

Same in both: Poisson's Ratio 0.3

Physical

Density and transition temperatures.

Liquidus Temperature

1,465°C2,669 °F
1,450°C2,642 °F

Same in both: Density 7.75 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,400°C2,552 °F

Thermal

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

Thermal Conductivity

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

Specific Heat Capacity

480 J/kg·K0.11 BTU/lb·°F
490 J/kg·K0.12 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

280°C536 °F
315°C599 °F

Same in both: Latent Heat of Fusion 270 J/g116 BTU/lb · 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)

-0.15 V
-0.2 V

Corrosion Resistance

78 / 100
72 / 100

Manufacturability

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

Machinability

28 / 100
32 / 100

Machinability Rating (AISI 1212 = 100 %)

25%
30%

Weldability

60 / 100
65 / 100

Formability (cold)

20 / 100
30 / 100

Brazeability / Solderability

30 / 100
35 / 100

Same in both: Castability 65 / 100 · Polishability 65 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

53 MJ/kg22,786 BTU/lb
60 MJ/kg25,795 BTU/lb

Embodied Water

200 L/kg24 gal/lb
250 L/kg30 gal/lb

Same in both: Embodied Carbon (primary production) 5 kg CO₂/kg · Typical Recycled Content 80%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

95 kN·m/kg
93 kN·m/kg

Specific Stiffness (E / density)

25.8 MN·m/kg
25.2 MN·m/kg

Modulus of Resilience

729 kJ/m³
641 kJ/m³

Thermal Diffusivity

4.3 mm²/s
3.9 mm²/s

Thermal Shock Resistance Index

5
4

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 scaleCE8MN1.4515

Manufacturing and finishing

Capability1.4515CE8MN
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.

1.4515 vs CE8MN — frequently asked

Is 1.4515 stronger than CE8MN?

Yes. 1.4515 has a typical yield strength of 540 MPa (78.3 ksi) against 500 MPa (72.5 ksi) for CE8MN — about 8% more. Tensile strength is 740 MPa (107 ksi) vs 720 MPa (104 ksi).

Which is cheaper, 1.4515 or CE8MN?

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, 1.4515 or CE8MN?

CE8MN. Its weldability rates good (65/100) against good (60/100) for 1.4515.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4515 and CE8MN 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.