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SAE-AISI M6 Steel vs. EN 1.3558 Steel

Both SAE-AISI M6 steel and EN 1.3558 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 M6 steel and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
770

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Melting Completion (Liquidus), °C 1560
1810
Melting Onset (Solidus), °C 1510
1760
Specific Heat Capacity, J/kg-K 440
410
Thermal Conductivity, W/m-K 17
20
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
45
Density, g/cm3 8.4
9.3
Embodied Carbon, kg CO2/kg material 8.0
8.4
Embodied Energy, MJ/kg 120
130
Embodied Water, L/kg 160
90

Common Calculations

PREN (Pitting Resistance) 28
35
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 28 to 73
23
Strength to Weight: Bending, points 24 to 45
20
Thermal Diffusivity, mm2/s 4.7
5.3
Thermal Shock Resistance, points 26 to 68
22

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.7 to 0.8
Chromium (Cr), % 3.8 to 4.5
3.9 to 4.3
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 68.8 to 74.6
73.7 to 77.6
Manganese (Mn), % 0.15 to 0.4
0 to 0.4
Molybdenum (Mo), % 4.5 to 5.5
0 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 3.8 to 4.8
17.5 to 19
Vanadium (V), % 1.3 to 1.7
1.0 to 1.3