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S40975 Stainless Steel vs. ASTM A204 Steel

Both S40975 stainless steel and ASTM A204 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 S40975 stainless steel and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
18 to 22
Fatigue Strength, MPa 210
200 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 290
330 to 360
Tensile Strength: Ultimate (UTS), MPa 460
520 to 590
Tensile Strength: Yield (Proof), MPa 310
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420 to 1430
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
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
20
Embodied Water, L/kg 95
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 250
220 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
18 to 21
Strength to Weight: Bending, points 17
18 to 20
Thermal Diffusivity, mm2/s 7.0
14
Thermal Shock Resistance, points 17
15 to 17