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Stainless Steel 1.4805 vs 1.4849

Stainless Steel · grade comparison

Stainless Steel 1.4805 and 1.4849 are both stainless steel grades. Both yield at about 260 MPa — strength does not separate them. 1.4805 is the more ductile: elongation 13% versus 10% for 1.4849, and 1.4849 is harder (180 HB vs 165 HB). 1.4805 is stiffer (185 GPa vs 170 GPa). On the shop floor, 1.4849 welds better (good vs fair).

1.4805Choose it when the part is bent, formed or impact-loaded.

1.4849Choose it when it will be welded.

1.4805 vs 1.4849: properties

1.48051.4849

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

185 GPa26.8 Msi
170 GPa24.7 Msi

Shear Modulus

72 GPa10.4 Msi
66 GPa9.6 Msi

Bulk Modulus

145 GPa21 Msi
140 GPa20.3 Msi

Tensile Strength (Ultimate)

470 MPa68.2 ksi
490 MPa71.1 ksi

Yield Strength (0.2% offset)

260 MPa37.7 ksi
250 MPa36.3 ksi

Elongation at Break

13%
10%

Reduction in Area

12%
10%

Charpy V-Notch Impact (RT)

25 J18.4 ft·lbf
20 J14.8 ft·lbf

Hardness, Brinell

165 HB
180 HB

Hardness, Rockwell B

85 HRB
—

Fatigue Strength (Endurance Limit)

—
190 MPa27.6 ksi

Same in both: Poisson's Ratio 0.29 · Shear Strength 300 MPa43.5 ksi

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,300°C2,372 °F
1,320°C2,408 °F

Liquidus Temperature

1,400°C2,552 °F
1,385°C2,525 °F

Thermal

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

Thermal Conductivity

12.5 W/m·K7.2 BTU/hr·ft·°F
13.5 W/m·K7.8 BTU/hr·ft·°F

Max Service Temperature (continuous)

1,090°C1,994 °F
1,050°C1,922 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 15 µm/m·K8.3 µin/in·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Min Service Temperature -50°C-58 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.8 % IACS
1.7 % IACS

Electrical Resistivity

9.8×10⁻⁷ Ω·m38.6 µΩ·in
1×10⁻⁶ Ω·m39.4 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

60 / 100
68 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.1 V

Manufacturability

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

Machinability

22 / 100
20 / 100

Machinability Rating (AISI 1212 = 100 %)

25%
15%

Weldability

45 / 100
55 / 100

Castability

80 / 100
72 / 100

Brazeability / Solderability

40 / 100
35 / 100

Polishability

40 / 100
45 / 100

Same in both: Formability (cold) 5 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

68 MJ/kg29,235 BTU/lb
80 MJ/kg34,394 BTU/lb

Embodied Carbon (primary production)

5.2 kg CO₂/kg
6.2 kg CO₂/kg

Embodied Water

140 L/kg16.8 gal/lb
120 L/kg14.4 gal/lb

Same in both: Typical Recycled Content 70%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

60 kN·m/kg
62 kN·m/kg

Specific Stiffness (E / density)

23.7 MN·m/kg
21.5 MN·m/kg

Modulus of Resilience

183 kJ/m³
184 kJ/m³

Thermal Diffusivity

3.2 mm²/s
3.4 mm²/s

Thermal Shock Resistance Index

2
3

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 scale1.48491.4805

Manufacturing and finishing

Capability1.48051.4849
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.

1.4805 vs 1.4849 — frequently asked

What is the difference between 1.4805 and 1.4849?

Stainless Steel 1.4805 and 1.4849 are both stainless steel grades. Both yield at about 260 MPa — strength does not separate them. 1.4805 is the more ductile: elongation 13% versus 10% for 1.4849, and 1.4849 is harder (180 HB vs 165 HB).

Which is cheaper, 1.4805 or 1.4849?

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, 1.4805 or 1.4849?

1.4849. Its weldability rates good (55/100) against fair (45/100) for 1.4805.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4805 and 1.4849 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.