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ASTM A204 Steel vs. S32205 Stainless Steel

Both ASTM A204 steel and S32205 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 A204 steel and the bottom bar is S32205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 22
28
Fatigue Strength, MPa 200 to 220
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 330 to 360
480
Tensile Strength: Ultimate (UTS), MPa 520 to 590
740
Tensile Strength: Yield (Proof), MPa 290 to 330
510

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1070
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420 to 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.7
Embodied Energy, MJ/kg 20
50
Embodied Water, L/kg 47
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
26
Strength to Weight: Bending, points 18 to 20
23
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 15 to 17
20