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SAE-AISI M4 Steel vs. EN 1.5682 Steel

Both SAE-AISI M4 steel and EN 1.5682 steel are iron alloys. They have 80% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, 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 1.5682 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
770

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.5
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 14
2.3
Embodied Energy, MJ/kg 210
31
Embodied Water, L/kg 110
63

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 72
27
Strength to Weight: Bending, points 23 to 45
23
Thermal Shock Resistance, points 24 to 68
23

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.13
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 75.9 to 81.4
88.7 to 91.1
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.8
Molybdenum (Mo), % 4.3 to 5.5
0 to 0.1
Nickel (Ni), % 0 to 0.3
8.5 to 9.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0 to 0.050