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Stainless Steel 1.4848 vs 1.4855

Stainless Steel · grade comparison

Stainless Steel 1.4848 and 1.4855 are both stainless steel grades. 1.4848 is the stronger of the two: yield strength 280 MPa (40.6 ksi) against 250 MPa (36.3 ksi) for 1.4855, about 12% more; tensile strength follows at 530 MPa (76.9 ksi) vs 470 MPa (68.2 ksi). 1.4848 is the more ductile: elongation 14% versus 10% for 1.4855. 1.4848 is stiffer (185 GPa vs 175 GPa). On the shop floor, 1.4855 welds better (good vs fair) and 1.4848 sits in a lower cost tier (premium, $$$) than 1.4855 (high, $$$$).

1.4848Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

1.4855Choose it when it will be welded.

1.4848 vs 1.4855: properties

1.48481.4855

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

185 GPa26.8 Msi
175 GPa25.4 Msi

Shear Modulus

72 GPa10.4 Msi
68 GPa9.9 Msi

Bulk Modulus

147 GPa21.3 Msi
145 GPa21 Msi

Tensile Strength (Ultimate)

530 MPa76.9 ksi
470 MPa68.2 ksi

Yield Strength (0.2% offset)

280 MPa40.6 ksi
250 MPa36.3 ksi

Elongation at Break

14%
10%

Reduction in Area

15%
12%

Shear Strength

345 MPa50 ksi
340 MPa49.3 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
190 MPa27.6 ksi

Hardness, Rockwell B

90 HRB
91 HRB

Compressive Strength

—
260 MPa37.7 ksi

Fracture Toughness (K_IC)

—
55 MPa·√m50.1 ksi·√in

Same in both: Poisson's Ratio 0.29 · Charpy V-Notch Impact (RT) 12 J8.9 ft·lbf · Hardness, Brinell 190 HB · Hardness, Vickers 200 HV

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,370°C2,498 °F
1,340°C2,444 °F

Liquidus Temperature

1,425°C2,597 °F
1,400°C2,552 °F

Thermal

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

Thermal Conductivity

14 W/m·K8.1 BTU/hr·ft·°F
15 W/m·K8.7 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

Min Service Temperature

-50°C-58 °F
-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.

Same in both: Electrical Conductivity 1.9 % IACS · Electrical Resistivity 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
—

Corrosion Resistance

58 / 100
62 / 100

Manufacturability

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

Machinability Rating (AISI 1212 = 100 %)

25%
15%

Weldability

45 / 100
55 / 100

Formability (cold)

8 / 100
10 / 100

Brazeability / Solderability

30 / 100
40 / 100

Same in both: Machinability 25 / 100 · Castability 75 / 100 · Polishability 45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

62 MJ/kg26,655 BTU/lb
55 MJ/kg23,646 BTU/lb

Embodied Carbon (primary production)

4.6 kg CO₂/kg
4.5 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

75%
70%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

68 kN·m/kg
60 kN·m/kg

Specific Stiffness (E / density)

23.9 MN·m/kg
22.4 MN·m/kg

Modulus of Resilience

212 kJ/m³
179 kJ/m³

Thermal Diffusivity

3.6 mm²/s
3.8 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 scale1.48481.4855

Manufacturing and finishing

Capability1.48481.4855
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 1.4855 — frequently asked

Is 1.4848 stronger than 1.4855?

Yes. 1.4848 has a typical yield strength of 280 MPa (40.6 ksi) against 250 MPa (36.3 ksi) for 1.4855 — about 12% more. Tensile strength is 530 MPa (76.9 ksi) vs 470 MPa (68.2 ksi).

Which is cheaper, 1.4848 or 1.4855?

1.4848 is the lower-cost material: it sits in the premium tier ($$$) while 1.4855 is high ($$$$). 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 1.4855?

1.4855. Its weldability rates good (55/100) against fair (45/100) for 1.4848.

Ready to make it?

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