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AISI 405 Stainless Steel vs. AISI 415 Stainless Steel

Both AISI 405 stainless steel and AISI 415 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 405 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
17
Fatigue Strength, MPa 130
430
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
50
Shear Modulus, GPa 76
76
Shear Strength, MPa 300
550
Tensile Strength: Ultimate (UTS), MPa 470
900
Tensile Strength: Yield (Proof), MPa 200
700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 820
780
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
24
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.5
Embodied Energy, MJ/kg 28
35
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 13
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
140
Resilience: Unit (Modulus of Resilience), kJ/m3 100
1250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
32
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 8.1
6.4
Thermal Shock Resistance, points 16
33

Alloy Composition

Aluminum (Al), % 0.1 to 0.3
0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 11.5 to 14.5
11.5 to 14
Iron (Fe), % 82.5 to 88.4
77.8 to 84
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.6
3.5 to 5.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030