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S40910 Stainless Steel vs. ASTM A203 Steel

Both S40910 stainless steel and ASTM A203 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S40910 stainless steel and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
22 to 26
Fatigue Strength, MPa 130
210 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
330 to 370
Tensile Strength: Ultimate (UTS), MPa 430
520 to 590
Tensile Strength: Yield (Proof), MPa 190
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
52
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.2 to 4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.6 to 1.7
Embodied Energy, MJ/kg 28
21 to 23
Embodied Water, L/kg 94
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 94
230 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
18 to 21
Strength to Weight: Bending, points 16
18 to 20
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 16
15 to 17