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AISI 415 Stainless Steel vs. AISI 414 Stainless Steel

Both AISI 415 stainless steel and AISI 414 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 415 stainless steel and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17
Fatigue Strength, MPa 430
430 to 480
Poisson's Ratio 0.28
0.28
Reduction in Area, % 50
50
Shear Modulus, GPa 76
76
Shear Strength, MPa 550
550 to 590
Tensile Strength: Ultimate (UTS), MPa 900
900 to 960
Tensile Strength: Yield (Proof), MPa 700
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 780
750
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.1
Embodied Energy, MJ/kg 35
29
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 15
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
1260 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
32 to 34
Strength to Weight: Bending, points 26
27 to 28
Thermal Diffusivity, mm2/s 6.4
6.7
Thermal Shock Resistance, points 33
33 to 35

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 11.5 to 14
11.5 to 13.5
Iron (Fe), % 77.8 to 84
81.8 to 87.3
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 3.5 to 5.5
1.3 to 2.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030