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ASTM A203 Steel vs. S32615 Stainless Steel

Both ASTM A203 steel and S32615 stainless steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A203 steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22 to 26
28
Fatigue Strength, MPa 210 to 280
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 330 to 370
400
Tensile Strength: Ultimate (UTS), MPa 520 to 590
620
Tensile Strength: Yield (Proof), MPa 290 to 390
250

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 410
990
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
24
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
4.4
Embodied Energy, MJ/kg 21 to 23
63
Embodied Water, L/kg 50 to 52
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
23
Strength to Weight: Bending, points 18 to 20
21
Thermal Shock Resistance, points 15 to 17
15