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AISI 415 Stainless Steel vs. ASTM A202 Steel

Both AISI 415 stainless steel and ASTM A202 steel are iron alloys. There are 31 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 AISI 415 stainless steel and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17 to 18
Fatigue Strength, MPa 430
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 550
360 to 410
Tensile Strength: Ultimate (UTS), MPa 900
590 to 670
Tensile Strength: Yield (Proof), MPa 700
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 780
410
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
52
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 35
19
Embodied Water, L/kg 110
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
330 to 350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
21 to 24
Strength to Weight: Bending, points 26
20 to 22
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 33
17 to 20