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ASTM A203 Steel vs. S21600 Stainless Steel

Both ASTM A203 steel and S21600 stainless steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A203 steel and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 26
46
Fatigue Strength, MPa 210 to 280
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 330 to 370
500
Tensile Strength: Ultimate (UTS), MPa 520 to 590
710
Tensile Strength: Yield (Proof), MPa 290 to 390
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
990
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
3.6
Embodied Energy, MJ/kg 21 to 23
50
Embodied Water, L/kg 50 to 52
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
25
Strength to Weight: Bending, points 18 to 20
23
Thermal Shock Resistance, points 15 to 17
15