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SAE-AISI M4 Steel vs. SAE-AISI A10 Steel

Both SAE-AISI M4 steel and SAE-AISI A10 steel are iron alloys. They have 82% 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 M4 steel and the bottom bar is SAE-AISI A10 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 76
72
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
810 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
5.0
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 14
2.1
Embodied Energy, MJ/kg 210
27
Embodied Water, L/kg 110
56

Common Calculations

PREN (Pitting Resistance) 30
5.1
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 72
29 to 73
Strength to Weight: Bending, points 23 to 45
25 to 46
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 24 to 68
27 to 68

Alloy Composition

Carbon (C), % 1.3 to 1.4
1.3 to 1.5
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 75.9 to 81.4
90.8 to 93.4
Manganese (Mn), % 0.15 to 0.4
1.6 to 2.1
Molybdenum (Mo), % 4.3 to 5.5
1.3 to 1.8
Nickel (Ni), % 0 to 0.3
1.6 to 2.1
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
1.0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0

Comparable Variants