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SAE-AISI M4 Steel vs. EN 1.5026 Steel

Both SAE-AISI M4 steel and EN 1.5026 steel are iron alloys. They have 80% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is EN 1.5026 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
660 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1560
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 25
47
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.9
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 14
1.5
Embodied Energy, MJ/kg 210
19
Embodied Water, L/kg 110
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 72
24 to 71
Strength to Weight: Bending, points 23 to 45
22 to 45
Thermal Diffusivity, mm2/s 6.9
13
Thermal Shock Resistance, points 24 to 68
20 to 60

Alloy Composition

Carbon (C), % 1.3 to 1.4
0.52 to 0.6
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.9 to 81.4
96.5 to 97.3
Manganese (Mn), % 0.15 to 0.4
0.6 to 0.9
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
1.6 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0

Comparable Variants