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Stainless Steel 1.4595 vs 405

Stainless Steel · grade comparison

Stainless Steel 1.4595 and 405 are both stainless steel grades. 405 is the stronger of the two: yield strength 280 MPa (40.6 ksi) against 260 MPa (37.7 ksi) for 1.4595, about 8% more; tensile strength follows at 480 MPa (69.6 ksi) vs 450 MPa (65.3 ksi). 1.4595 is stiffer (220 GPa vs 200 GPa). On the shop floor, 1.4595 welds better (80 vs 70 out of 100), 1.4595 forms better (very good vs good), and 1.4595 sits in a lower cost tier (standard, $$) than 405 (premium, $$$).

1.4595Choose it when it will be welded, or when cost is the deciding factor.

405Choose it when strength drives the design.

1.4595 vs 405: properties

1.4595405

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

220 GPa31.9 Msi
200 GPa29 Msi

Shear Modulus

85 GPa12.3 Msi
77 GPa11.2 Msi

Poisson's Ratio

0.3
0.28

Tensile Strength (Ultimate)

450 MPa65.3 ksi
480 MPa69.6 ksi

Yield Strength (0.2% offset)

260 MPa37.7 ksi
280 MPa40.6 ksi

Elongation at Break

30%
28%

Reduction in Area

65%
60%

Shear Strength

290 MPa42.1 ksi
310 MPa45 ksi

Charpy V-Notch Impact (RT)

55 J40.6 ft·lbf
25 J18.4 ft·lbf

Hardness, Brinell

150 HB
155 HB

Hardness, Rockwell B

80 HRB
82 HRB

Hardness, Vickers

155 HV
—

Same in both: Bulk Modulus 160 GPa23.2 Msi · Fatigue Strength (Endurance Limit) 240 MPa34.8 ksi

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,450°C2,642 °F
1,480°C2,696 °F

Liquidus Temperature

1,510°C2,750 °F
1,530°C2,786 °F

Thermal

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

Thermal Conductivity

25 W/m·K14.4 BTU/hr·ft·°F
27 W/m·K15.6 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

10 µm/m·K5.6 µin/in·°F
10.8 µm/m·K6 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

750°C1,382 °F
705°C1,301 °F

Same in both: Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 2.9 % IACS · Electrical Resistivity 6×10⁻⁷ Ω·m23.6 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.15 V
-0.3 V

Same in both: Corrosion Resistance 45 / 100

Manufacturability

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

Machinability Rating (AISI 1212 = 100 %)

55%
60%

Weldability

80 / 100
70 / 100

Formability (cold)

75 / 100
60 / 100

Brazeability / Solderability

70 / 100
55 / 100

Polishability

70 / 100
60 / 100

Castability

—
40 / 100

Same in both: Machinability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

46 MJ/kg19,776 BTU/lb
50 MJ/kg21,496 BTU/lb

Embodied Carbon (primary production)

3.4 kg CO₂/kg
3.6 kg CO₂/kg

Embodied Water

180 L/kg21.6 gal/lb
140 L/kg16.8 gal/lb

Typical Recycled Content

60%
65%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

58 kN·m/kg
62 kN·m/kg

Specific Stiffness (E / density)

28.6 MN·m/kg
25.8 MN·m/kg

Modulus of Resilience

154 kJ/m³
196 kJ/m³

Thermal Diffusivity

7.1 mm²/s
7.6 mm²/s

Thermal Shock Resistance Index

5
6

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 scale1.4595405

Manufacturing and finishing

Capability1.4595405
CNC machining—Yes
Sheet metal—Yes
Default condition—Annealed
Relative cost$$ Standard$$$ Premium
Min. machined wall—0.8 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.

1.4595 vs 405 — frequently asked

Is 405 stronger than 1.4595?

Yes. 405 has a typical yield strength of 280 MPa (40.6 ksi) against 260 MPa (37.7 ksi) for 1.4595 — about 8% more. Tensile strength is 480 MPa (69.6 ksi) vs 450 MPa (65.3 ksi).

Which is cheaper, 1.4595 or 405?

1.4595 is the lower-cost material: it sits in the standard tier ($$) while 405 is premium ($$$). 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, 1.4595 or 405?

1.4595. Its weldability rates very good (80/100) against very good (70/100) for 405.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4595 and 405 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.