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S40930 Stainless Steel vs. ASTM A209 Steel

Both S40930 stainless steel and ASTM A209 steel are iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S40930 stainless steel and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
34
Fatigue Strength, MPa 130
180 to 200
Poisson's Ratio 0.28
0.29
Rockwell B Hardness 76
77 to 81
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
280 to 310
Tensile Strength: Ultimate (UTS), MPa 430
420 to 460
Tensile Strength: Yield (Proof), MPa 190
220 to 250

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 1410
1420 to 1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
50
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.5
Embodied Energy, MJ/kg 32
20
Embodied Water, L/kg 94
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 94
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
15 to 16
Strength to Weight: Bending, points 16
16 to 17
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 16
12 to 14