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SAE-AISI M36 Steel vs. ACI-ASTM CF8M Steel

Both SAE-AISI M36 steel and ACI-ASTM CF8M steel are iron alloys. They have 73% 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 SAE-AISI M36 steel and the bottom bar is ACI-ASTM CF8M 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 78
78
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
540

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1600
1440
Melting Onset (Solidus), °C 1550
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 19
16
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 38
19
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.5
3.8
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 31
28
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 72
19
Strength to Weight: Bending, points 23 to 44
19
Thermal Diffusivity, mm2/s 5.1
4.3
Thermal Shock Resistance, points 25 to 68
12

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
18 to 21
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.1 to 75.5
60.3 to 71
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.6 to 5.5
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
9.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 5.5 to 6.5
0
Vanadium (V), % 1.8 to 2.3
0