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EN 1.4029 Stainless Steel vs. AISI 405 Stainless Steel

Both EN 1.4029 stainless steel and AISI 405 stainless steel are iron alloys. Their average alloy composition is basically identical. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4029 stainless steel and the bottom bar is AISI 405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 20
22
Fatigue Strength, MPa 270 to 400
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 440 to 550
300
Tensile Strength: Ultimate (UTS), MPa 700 to 930
470
Tensile Strength: Yield (Proof), MPa 410 to 740
200

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 750
820
Melting Completion (Liquidus), °C 1440
1530
Melting Onset (Solidus), °C 1400
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.0
Embodied Energy, MJ/kg 28
28
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 14
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 120
84
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1410
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 33
17
Strength to Weight: Bending, points 23 to 27
17
Thermal Diffusivity, mm2/s 8.1
8.1
Thermal Shock Resistance, points 26 to 34
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0.25 to 0.32
0 to 0.080
Chromium (Cr), % 12 to 13.5
11.5 to 14.5
Iron (Fe), % 82.8 to 87.6
82.5 to 88.4
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.25
0 to 0.030