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Stainless Steel 1.4849 vs 1.4874

Stainless Steel · grade comparison

Stainless Steel 1.4849 and 1.4874 are both stainless steel grades. 1.4874 is the stronger of the two: yield strength 300 MPa (43.5 ksi) against 250 MPa (36.3 ksi) for 1.4849, about 20% more; tensile strength follows at 560 MPa (81.2 ksi) vs 490 MPa (71.1 ksi). In exchange, 1.4849 is the more ductile: elongation 10% versus 6% for 1.4874, and 1.4874 is harder (225 HB vs 180 HB). 1.4874 is stiffer (180 GPa vs 170 GPa). On the shop floor, 1.4849 welds better (good vs poor).

1.4849Choose it when the part is bent, formed or impact-loaded, or when it will be welded.

1.4874Choose it when strength drives the design.

1.4849 vs 1.4874: properties

1.48491.4874

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

170 GPa24.7 Msi
180 GPa26.1 Msi

Shear Modulus

66 GPa9.6 Msi
69 GPa10 Msi

Bulk Modulus

140 GPa20.3 Msi
150 GPa21.8 Msi

Poisson's Ratio

0.29
0.3

Tensile Strength (Ultimate)

490 MPa71.1 ksi
560 MPa81.2 ksi

Yield Strength (0.2% offset)

250 MPa36.3 ksi
300 MPa43.5 ksi

Elongation at Break

10%
6%

Reduction in Area

10%
8%

Shear Strength

300 MPa43.5 ksi
420 MPa60.9 ksi

Fatigue Strength (Endurance Limit)

190 MPa27.6 ksi
200 MPa29 ksi

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
8 J5.9 ft·lbf

Hardness, Brinell

180 HB
225 HB

Compressive Strength

—
900 MPa131 ksi

Fracture Toughness (K_IC)

—
35 MPa·√m31.9 ksi·√in

Hardness, Rockwell B

—
98 HRB

Hardness, Rockwell C

—
20 HRC

Hardness, Vickers

—
235 HV

Physical

Density and transition temperatures.

Liquidus Temperature

1,385°C2,525 °F
1,390°C2,534 °F

Same in both: Density 7.9 g/cm³0.29 lb/in³ · Melting Point (Solidus) 1,320°C2,408 °F

Thermal

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

Thermal Conductivity

13.5 W/m·K7.8 BTU/hr·ft·°F
14 W/m·K8.1 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

15 µm/m·K8.3 µin/in·°F
16 µm/m·K8.9 µin/in·°F

Max Service Temperature (continuous)

1,050°C1,922 °F
1,000°C1,832 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Min Service Temperature -50°C-58 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

1.7 % IACS
1.8 % IACS

Electrical Resistivity

1×10⁻⁶ Ω·m39.4 µΩ·in
9.5×10⁻⁷ Ω·m37.4 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.1 V
—

Corrosion Resistance

68 / 100
55 / 100

Manufacturability

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

Machinability

20 / 100
18 / 100

Machinability Rating (AISI 1212 = 100 %)

15%
12%

Weldability

55 / 100
20 / 100

Castability

72 / 100
70 / 100

Brazeability / Solderability

35 / 100
40 / 100

Polishability

45 / 100
50 / 100

Same in both: Formability (cold) 5 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

80 MJ/kg34,394 BTU/lb
90 MJ/kg38,693 BTU/lb

Embodied Carbon (primary production)

6.2 kg CO₂/kg
8 kg CO₂/kg

Embodied Water

120 L/kg14.4 gal/lb
130 L/kg15.6 gal/lb

Typical Recycled Content

70%
55%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

62 kN·m/kg
71 kN·m/kg

Specific Stiffness (E / density)

21.5 MN·m/kg
22.8 MN·m/kg

Modulus of Resilience

184 kJ/m³
250 kJ/m³

Thermal Diffusivity

3.4 mm²/s
3.5 mm²/s

Same in both: Thermal Shock Resistance Index 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 scale1.48491.4874

Manufacturing and finishing

Capability1.48491.4874
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 1.4874 — frequently asked

Is 1.4874 stronger than 1.4849?

Yes. 1.4874 has a typical yield strength of 300 MPa (43.5 ksi) against 250 MPa (36.3 ksi) for 1.4849 — about 20% more. Tensile strength is 560 MPa (81.2 ksi) vs 490 MPa (71.1 ksi).

Which is cheaper, 1.4849 or 1.4874?

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, 1.4849 or 1.4874?

1.4849. Its weldability rates good (55/100) against poor (20/100) for 1.4874.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4849 and 1.4874 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.