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EN 1.5662 Steel vs. SAE-AISI M4 Steel

Both EN 1.5662 steel and SAE-AISI M4 steel are iron alloys. They have 79% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.5662 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 73
76
Tensile Strength: Ultimate (UTS), MPa 740 to 750
770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
25
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.3
14
Embodied Energy, MJ/kg 31
210
Embodied Water, L/kg 63
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
26 to 72
Strength to Weight: Bending, points 23
23 to 45
Thermal Shock Resistance, points 22
24 to 68

Alloy Composition

Carbon (C), % 0 to 0.1
1.3 to 1.4
Chromium (Cr), % 0
3.8 to 4.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 88.6 to 91.2
75.9 to 81.4
Manganese (Mn), % 0.3 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.1
4.3 to 5.5
Nickel (Ni), % 8.5 to 10
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.35
0.2 to 0.45
Sulfur (S), % 0 to 0.0050
0 to 0.030
Tungsten (W), % 0
5.3 to 6.5
Vanadium (V), % 0 to 0.050
3.8 to 4.5