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S20161 Stainless Steel vs. ASTM A204 Steel

Both S20161 stainless steel and ASTM A204 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 S20161 stainless steel and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 46
18 to 22
Fatigue Strength, MPa 360
200 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 690
330 to 360
Tensile Strength: Ultimate (UTS), MPa 980
520 to 590
Tensile Strength: Yield (Proof), MPa 390
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1330
1420 to 1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 360
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 390
220 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 36
18 to 21
Strength to Weight: Bending, points 29
18 to 20
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 22
15 to 17