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ASTM A202 Steel vs. S20161 Stainless Steel

Both ASTM A202 steel and S20161 stainless 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 ASTM A202 steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
46
Fatigue Strength, MPa 240
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 360 to 410
690
Tensile Strength: Ultimate (UTS), MPa 590 to 670
980
Tensile Strength: Yield (Proof), MPa 350 to 360
390

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 410
870
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 49
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
360
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 21 to 24
36
Strength to Weight: Bending, points 20 to 22
29
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 17 to 20
22