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Stainless Steel 1.4852 vs 1.4855

Stainless Steel · grade comparison

Stainless Steel 1.4852 and 1.4855 are both stainless steel grades. 1.4852 is the stronger of the two: yield strength 270 MPa (39.2 ksi) against 250 MPa (36.3 ksi) for 1.4855, about 8% more; tensile strength follows at 500 MPa (72.5 ksi) vs 470 MPa (68.2 ksi). 1.4855 conducts heat better (15 W/m·K vs 13 W/m·K).

1.4852Choose it when strength drives the design.

1.4852 vs 1.4855: properties

1.48521.4855

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

180 GPa26.1 Msi
175 GPa25.4 Msi

Shear Modulus

70 GPa10.2 Msi
68 GPa9.9 Msi

Bulk Modulus

150 GPa21.8 Msi
145 GPa21 Msi

Tensile Strength (Ultimate)

500 MPa72.5 ksi
470 MPa68.2 ksi

Yield Strength (0.2% offset)

270 MPa39.2 ksi
250 MPa36.3 ksi

Elongation at Break

11%
10%

Reduction in Area

13%
12%

Shear Strength

320 MPa46.4 ksi
340 MPa49.3 ksi

Fatigue Strength (Endurance Limit)

180 MPa26.1 ksi
190 MPa27.6 ksi

Charpy V-Notch Impact (RT)

16 J11.8 ft·lbf
12 J8.9 ft·lbf

Hardness, Rockwell B

92 HRB
91 HRB

Compressive Strength

—
260 MPa37.7 ksi

Fracture Toughness (K_IC)

—
55 MPa·√m50.1 ksi·√in

Hardness, Vickers

—
200 HV

Same in both: Poisson's Ratio 0.29 · Hardness, Brinell 190 HB

Physical

Density and transition temperatures.

Density

7.9 g/cm³0.29 lb/in³
7.8 g/cm³0.28 lb/in³

Melting Point (Solidus)

1,330°C2,426 °F
1,340°C2,444 °F

Same in both: Liquidus Temperature 1,400°C2,552 °F

Thermal

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

Thermal Conductivity

13 W/m·K7.5 BTU/hr·ft·°F
15 W/m·K8.7 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

15.5 µm/m·K8.6 µin/in·°F
16.5 µm/m·K9.2 µin/in·°F

Min Service Temperature

—
-20°C-4 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Max Service Temperature (continuous) 1,100°C2,012 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.7 % IACS
1.9 % IACS

Electrical Resistivity

1.03×10⁻⁶ Ω·m40.6 µΩ·in
9×10⁻⁷ Ω·m35.4 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.1 V
—

Same in both: Corrosion Resistance 62 / 100

Manufacturability

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

Machinability

22 / 100
25 / 100

Machinability Rating (AISI 1212 = 100 %)

18%
15%

Weldability

50 / 100
55 / 100

Formability (cold)

5 / 100
10 / 100

Castability

78 / 100
75 / 100

Brazeability / Solderability

30 / 100
40 / 100

Polishability

40 / 100
45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

90 MJ/kg38,693 BTU/lb
55 MJ/kg23,646 BTU/lb

Embodied Carbon (primary production)

7 kg CO₂/kg
4.5 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

60%
70%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

63 kN·m/kg
60 kN·m/kg

Specific Stiffness (E / density)

22.8 MN·m/kg
22.4 MN·m/kg

Modulus of Resilience

203 kJ/m³
179 kJ/m³

Thermal Diffusivity

3.3 mm²/s
3.8 mm²/s

Same in both: Thermal Shock Resistance Index 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 scale1.48521.4855

Manufacturing and finishing

Capability1.48521.4855
Default condition——
Relative cost$$$$ High$$$$ 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.

1.4852 vs 1.4855 — frequently asked

Is 1.4852 stronger than 1.4855?

Yes. 1.4852 has a typical yield strength of 270 MPa (39.2 ksi) against 250 MPa (36.3 ksi) for 1.4855 — about 8% more. Tensile strength is 500 MPa (72.5 ksi) vs 470 MPa (68.2 ksi).

Which is cheaper, 1.4852 or 1.4855?

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 welds better, 1.4852 or 1.4855?

1.4855. Its weldability rates good (55/100) against fair (50/100) for 1.4852.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4852 and 1.4855 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.