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EN 1.5026 Steel vs. SAE-AISI M4 Steel

Both EN 1.5026 steel and SAE-AISI M4 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 EN 1.5026 steel and the bottom bar is SAE-AISI M4 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 72
76
Tensile Strength: Ultimate (UTS), MPa 660 to 1980
770 to 2150

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants