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ASTM A285 Carbon Steel vs. SAE-AISI M50 Steel

Both ASTM A285 carbon steel and SAE-AISI M50 steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 380 to 450
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1420 to 1430
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
35
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
5.1
Embodied Energy, MJ/kg 18
74
Embodied Water, L/kg 46
83

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
26 to 80
Strength to Weight: Bending, points 15 to 17
23 to 49
Thermal Diffusivity, mm2/s 14
9.7
Thermal Shock Resistance, points 12 to 14
21 to 66