Stainless Steel 1.4849 vs 1.4855
Stainless Steel · grade comparison
Stainless Steel 1.4849 and 1.4855 are both stainless steel grades. Both yield at about 250 MPa — strength does not separate them. 1.4855 is harder — 190 HB against 180 HB for 1.4849 — which matters for wear surfaces and threads. 1.4855 conducts heat better (15 W/m·K vs 13.5 W/m·K).
1.4855Choose it when surface hardness matters.
1.4849 vs 1.4855: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all stainless steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all stainless steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Elastic (Young's) Modulus
Shear Modulus
Bulk Modulus
Tensile Strength (Ultimate)
Reduction in Area
Shear Strength
Charpy V-Notch Impact (RT)
Hardness, Brinell
Compressive Strength
Fracture Toughness (K_IC)
Hardness, Rockwell B
Hardness, Vickers
Same in both: Poisson's Ratio 0.29 · Yield Strength (0.2% offset) 250 MPa36.3 ksi · Elongation at Break 10% · Fatigue Strength (Endurance Limit) 190 MPa27.6 ksi
Physical
Density and transition temperatures.
Density
Melting Point (Solidus)
Liquidus Temperature
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Thermal Expansion (CTE, 20–100 °C)
Max Service Temperature (continuous)
Min Service Temperature
Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 270 J/g116 BTU/lb
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Galvanic Potential (seawater, vs SCE)
Corrosion Resistance
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Formability (cold)
Castability
Brazeability / Solderability
Same in both: Machinability Rating (AISI 1212 = 100 %) 15% · Weldability 55 / 100 · Polishability 45 / 100
Sustainability
Primary-production footprint per kilogram.
Embodied Energy (primary production)
Embodied Carbon (primary production)
Same in both: Embodied Water 120 L/kg14.4 gal/lb · Typical Recycled Content 70%
Common Calculations
Ratios derived from the values above.
Specific Strength (UTS / density)
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Thermal Shock Resistance Index
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.
Manufacturing and finishing
| Capability | 1.4849 | 1.4855 |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$$ High | $$$$ High |
| Min. machined wall | — | — |
| Best machined surface | — | — |
Both take the same 7 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Pickling, Plasma Spray, Silver Plating.
1.4849 vs 1.4855 — frequently asked
What is the difference between 1.4849 and 1.4855?
Stainless Steel 1.4849 and 1.4855 are both stainless steel grades. Both yield at about 250 MPa — strength does not separate them. 1.4855 is harder — 190 HB against 180 HB for 1.4849 — which matters for wear surfaces and threads.
Which is cheaper, 1.4849 or 1.4855?
Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.
Which is easier to machine, 1.4849 or 1.4855?
1.4855, by a small margin. Both rate poor for machinability — 25/100 against 20/100 for 1.4849.
Ready to make it?
Upload a CAD file and FabDigit prices the part in 1.4849 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.