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ACI-ASTM CN3MN Steel vs. SAE-AISI M36 Steel

Both ACI-ASTM CN3MN steel and SAE-AISI M36 steel are iron alloys. They have 56% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is SAE-AISI M36 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 620
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1460
1600
Melting Onset (Solidus), °C 1410
1550
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
19
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
38
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 6.2
9.5
Embodied Energy, MJ/kg 84
140
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 46
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21
27 to 72
Strength to Weight: Bending, points 20
23 to 44
Thermal Diffusivity, mm2/s 3.4
5.1
Thermal Shock Resistance, points 14
25 to 68

Alloy Composition

Carbon (C), % 0 to 0.030
0.8 to 0.9
Chromium (Cr), % 20 to 22
3.8 to 4.5
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 41.4 to 50.3
70.1 to 75.5
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 6.0 to 7.0
4.6 to 5.5
Nickel (Ni), % 23.5 to 25.5
0 to 0.3
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 0
1.8 to 2.3