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ASTM A203 Steel vs. S28200 Stainless Steel

Both ASTM A203 steel and S28200 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 S28200 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, % 22 to 26
45
Fatigue Strength, MPa 210 to 280
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 330 to 370
610
Tensile Strength: Ultimate (UTS), MPa 520 to 590
870
Tensile Strength: Yield (Proof), MPa 290 to 390
460

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
2.8
Embodied Energy, MJ/kg 21 to 23
41
Embodied Water, L/kg 50 to 52
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
330
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
540
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 18 to 21
32
Strength to Weight: Bending, points 18 to 20
27
Thermal Shock Resistance, points 15 to 17
17