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SAE-AISI M3 Class 1 Steel vs. ASTM A514 Steel

Both SAE-AISI M3 class 1 steel and ASTM A514 steel are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 1 steel and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
790 to 830

Thermal Properties

Latent Heat of Fusion, J/g 260
250 to 260
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
37 to 51
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.3 to 3.8
Density, g/cm3 8.3
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 10
1.6 to 1.8
Embodied Energy, MJ/kg 150
21 to 25
Embodied Water, L/kg 100
48 to 57

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 72
28 to 29
Strength to Weight: Bending, points 22 to 44
24 to 25
Thermal Diffusivity, mm2/s 7.2
10 to 14
Thermal Shock Resistance, points 24 to 67
23 to 24