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SAE-AISI M62 Steel vs. ACI-ASTM CF3MN Steel

Both SAE-AISI M62 steel and ACI-ASTM CF3MN steel are iron alloys. They have 72% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1650
1440
Melting Onset (Solidus), °C 1600
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 30
19
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
3.9
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 49
30
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 80
20
Strength to Weight: Bending, points 23 to 47
20
Thermal Shock Resistance, points 24 to 71
13

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
17 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
58.7 to 71.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 10 to 11
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0