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ASTM A572 Steel vs. S44660 Stainless Steel

Both ASTM A572 steel and S44660 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 S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 190
210
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 18 to 25
20
Fatigue Strength, MPa 240 to 340
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 300 to 380
410
Tensile Strength: Ultimate (UTS), MPa 470 to 620
660
Tensile Strength: Yield (Proof), MPa 330 to 510
510

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
21
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
4.3
Embodied Energy, MJ/kg 22
61
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
640
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 22
24
Strength to Weight: Bending, points 17 to 21
22
Thermal Diffusivity, mm2/s 14
4.5
Thermal Shock Resistance, points 14 to 18
21