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ASTM A572 Steel vs. S82441 Stainless Steel

Both ASTM A572 steel and S82441 stainless 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 ASTM A572 steel and the bottom bar is S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 190
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 25
28
Fatigue Strength, MPa 240 to 340
400
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 300 to 380
490
Tensile Strength: Ultimate (UTS), MPa 470 to 620
760
Tensile Strength: Yield (Proof), MPa 330 to 510
550

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.2
Embodied Energy, MJ/kg 22
45
Embodied Water, L/kg 47
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
740
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 22
27
Strength to Weight: Bending, points 17 to 21
24
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 14 to 18
21