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SAE-AISI M6 Steel vs. EN 1.7380 Steel

Both SAE-AISI M6 steel and EN 1.7380 steel are iron alloys. They have 76% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 1.7380 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 77
74
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
540 to 550

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1560
1470
Melting Onset (Solidus), °C 1510
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
3.8
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.8
Embodied Energy, MJ/kg 120
23
Embodied Water, L/kg 160
59

Common Calculations

PREN (Pitting Resistance) 28
5.6
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28 to 73
19 to 20
Strength to Weight: Bending, points 24 to 45
19
Thermal Diffusivity, mm2/s 4.7
11
Thermal Shock Resistance, points 26 to 68
15 to 16

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.080 to 0.14
Chromium (Cr), % 3.8 to 4.5
2.0 to 2.5
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 68.8 to 74.6
94.6 to 96.6
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.8
Molybdenum (Mo), % 4.5 to 5.5
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0