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ASTM A202 Steel vs. S42300 Stainless Steel

Both ASTM A202 steel and S42300 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 A202 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 18
9.1
Fatigue Strength, MPa 240
440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 360 to 410
650
Tensile Strength: Ultimate (UTS), MPa 590 to 670
1100
Tensile Strength: Yield (Proof), MPa 350 to 360
850

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 410
750
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 49
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
93
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
1840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 24
39
Strength to Weight: Bending, points 20 to 22
30
Thermal Diffusivity, mm2/s 14
6.8
Thermal Shock Resistance, points 17 to 20
40