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Stainless Steel 1.4462 vs 2205

Stainless Steel · grade comparison

Stainless Steel 1.4462 and 2205 are both stainless steel grades. Both yield at about 540 MPa — strength does not separate them. 2205 runs hotter in service (300°C vs 250°C continuous). On the shop floor, 2205 forms better (good vs fair) and 1.4462 sits in a lower cost tier (premium, $$$) than 2205 (specialty, $$$$$).

1.4462Choose it when cost is the deciding factor.

2205Choose it when the part sees heat.

1.4462 vs 2205: properties

1.44622205

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Bulk Modulus

165 GPa23.9 Msi
160 GPa23.2 Msi

Tensile Strength (Ultimate)

770 MPa112 ksi
790 MPa115 ksi

Shear Strength

460 MPa66.7 ksi
480 MPa69.6 ksi

Fatigue Strength (Endurance Limit)

420 MPa60.9 ksi
390 MPa56.6 ksi

Charpy V-Notch Impact (RT)

230 J170 ft·lbf
220 J162 ft·lbf

Hardness, Brinell

250 HB
255 HB

Hardness, Rockwell C

25 HRC
26 HRC

Hardness, Vickers

260 HV
265 HV

Hardness, Rockwell B

—
100 HRB

Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 77 GPa11.2 Msi · Poisson's Ratio 0.3 · Yield Strength (0.2% offset) 540 MPa78.3 ksi · Elongation at Break 30% · Reduction in Area 60% · Compressive Strength 540 MPa78.3 ksi · Fracture Toughness (K_IC) 120 MPa·√m109 ksi·√in

Physical

Density and transition temperatures.

Same in both: Density 7.8 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,385°C2,525 °F · Liquidus Temperature 1,445°C2,633 °F

Thermal

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

Thermal Conductivity

15 W/m·K8.7 BTU/hr·ft·°F
16 W/m·K9.2 BTU/hr·ft·°F

Specific Heat Capacity

480 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F

Latent Heat of Fusion

260 J/g112 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

250°C482 °F
300°C572 °F

Same in both: Thermal Expansion (CTE, 20–100 °C) 13 µm/m·K7.2 µin/in·°F · Min Service Temperature -50°C-58 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 2.2 % IACS · Electrical Resistivity 8×10⁻⁷ Ω·m31.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.05 V
-0.15 V

Corrosion Resistance

78 / 100
80 / 100

Manufacturability

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

Machinability

30 / 100
32 / 100

Machinability Rating (AISI 1212 = 100 %)

20%
30%

Weldability

72 / 100
78 / 100

Formability (cold)

45 / 100
55 / 100

Polishability

70 / 100
75 / 100

Same in both: Brazeability / Solderability 40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

4.5 kg CO₂/kg
4.6 kg CO₂/kg

Embodied Water

200 L/kg24 gal/lb
130 L/kg15.6 gal/lb

Typical Recycled Content

70%
65%

Same in both: Embodied Energy (primary production) 62 MJ/kg26,655 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

99 kN·m/kg
101 kN·m/kg

Thermal Diffusivity

4 mm²/s
4.4 mm²/s

Thermal Shock Resistance Index

4
5

Same in both: Specific Stiffness (E / density) 25.6 MN·m/kg · Modulus of Resilience 729 kJ/m³

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 scale22051.4462

Manufacturing and finishing

Capability1.44622205
CNC machining—Yes
Sheet metal—Yes
Default condition—Solution Annealed
Relative cost$$$ Premium$$$$$ Specialty
Min. machined wall—1 mm
Best machined surface—Ra 1.6 µm
AlCrN—Yes
AlTiN—Yes
Black Oxide—Yes
CVD Al2O3—Yes
CVD TiCN—Yes
CVD TiN—Yes
Cerakote—Yes
Chrome Plating—Yes
CrN—Yes
DLC—Yes
Electropolishing—Yes
HVOF Coating—Yes
MoS2—Yes
Multilayer CVD—Yes
Nickel Plating—Yes
PTFE Coating—Yes
Painting—Yes
Passivation (Stainless Steel)—Yes

They share 7 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Pickling, Plasma Spray, Silver Plating.

1.4462 vs 2205 — frequently asked

What is the difference between 1.4462 and 2205?

Stainless Steel 1.4462 and 2205 are both stainless steel grades. Both yield at about 540 MPa — strength does not separate them. 2205 runs hotter in service (300°C vs 250°C continuous).

Which is cheaper, 1.4462 or 2205?

1.4462 is the lower-cost material: it sits in the premium tier ($$$) while 2205 is specialty ($$$$$). 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, 1.4462 or 2205?

2205. Its weldability rates very good (78/100) against very good (72/100) for 1.4462.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4462 and 2205 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.