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SAE-AISI M43 Steel vs. SAE-AISI F2 Steel

Both SAE-AISI M43 steel and SAE-AISI F2 steel are iron alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M43 steel and the bottom bar is SAE-AISI F2 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 810 to 2290
710 to 2360

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1550
1520
Melting Onset (Solidus), °C 1500
1470
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 19
42
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
10
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 8.5
2.3
Embodied Energy, MJ/kg 120
32
Embodied Water, L/kg 140
50

Common Calculations

PREN (Pitting Resistance) 35
6.5
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 77
24 to 81
Strength to Weight: Bending, points 24 to 47
22 to 49
Thermal Diffusivity, mm2/s 5.3
11
Thermal Shock Resistance, points 25 to 71
21 to 71

Alloy Composition

Carbon (C), % 1.2 to 1.3
1.2 to 1.4
Chromium (Cr), % 3.5 to 4.3
0.2 to 0.4
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 76
92.6 to 95.4
Manganese (Mn), % 0.2 to 0.4
0.1 to 0.5
Molybdenum (Mo), % 7.5 to 8.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.65
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.3 to 3.0
3.0 to 4.5
Vanadium (V), % 1.5 to 1.8
0

Comparable Variants