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SAE-AISI M4 Steel vs. EN 1.3539 Steel

Both SAE-AISI M4 steel and EN 1.3539 steel are iron alloys. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (4, 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 1.3539 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
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
670

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 Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.2
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 14
1.7
Embodied Energy, MJ/kg 210
22
Embodied Water, L/kg 110
57

Common Calculations

PREN (Pitting Resistance) 30
3.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 72
24
Strength to Weight: Bending, points 23 to 45
22
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 24 to 68
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 1.3 to 1.4
0.93 to 1.1
Chromium (Cr), % 3.8 to 4.8
1.8 to 2.1
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 75.9 to 81.4
95.2 to 96.5
Manganese (Mn), % 0.15 to 0.4
0.8 to 1.1
Molybdenum (Mo), % 4.3 to 5.5
0.5 to 0.6
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0.4 to 0.6
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