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SAE-AISI F2 Steel vs. SAE-AISI M34 Steel

Both SAE-AISI F2 steel and SAE-AISI M34 steel are iron alloys. They have 77% 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 F2 steel and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2360
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1520
1540
Melting Onset (Solidus), °C 1470
1500
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 42
24
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
32
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 2.3
9.5
Embodied Energy, MJ/kg 32
140
Embodied Water, L/kg 50
150

Common Calculations

PREN (Pitting Resistance) 6.5
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 81
27 to 74
Strength to Weight: Bending, points 22 to 49
23 to 46
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 21 to 71
25 to 67

Alloy Composition

Carbon (C), % 1.2 to 1.4
0.85 to 0.92
Chromium (Cr), % 0.2 to 0.4
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 92.6 to 95.4
71.3 to 76.5
Manganese (Mn), % 0.1 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.0 to 4.5
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3

Comparable Variants