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AISI 301 Stainless Steel vs. AISI 415 Stainless Steel

Both AISI 301 stainless steel and AISI 415 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 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 301 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 440
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 7.4 to 46
17
Fatigue Strength, MPa 210 to 600
430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 410 to 860
550
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
900
Tensile Strength: Yield (Proof), MPa 230 to 1080
700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 840
780
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
24
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.5
Embodied Energy, MJ/kg 39
35
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 18
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
140
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
1250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 52
32
Strength to Weight: Bending, points 20 to 37
26
Thermal Diffusivity, mm2/s 4.2
6.4
Thermal Shock Resistance, points 12 to 31
33

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 16 to 18
11.5 to 14
Iron (Fe), % 70.7 to 78
77.8 to 84
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 6.0 to 8.0
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030