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EN 1.8550 Steel vs. SAE-AISI M10 Steel

Both EN 1.8550 steel and SAE-AISI M10 steel are iron alloys. They have 87% 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 EN 1.8550 steel and the bottom bar is SAE-AISI M10 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 1000
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1450
1520
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 40
31
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
14
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
8.3
Embodied Energy, MJ/kg 23
120
Embodied Water, L/kg 67
100

Common Calculations

PREN (Pitting Resistance) 2.3
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
26 to 76
Strength to Weight: Bending, points 29
23 to 47
Thermal Diffusivity, mm2/s 11
8.5
Thermal Shock Resistance, points 29
23 to 68

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.84 to 1.1
Chromium (Cr), % 1.5 to 1.8
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 94.4 to 96.3
82.3 to 85.6
Manganese (Mn), % 0.4 to 0.7
0.1 to 0.4
Molybdenum (Mo), % 0.15 to 0.25
7.8 to 8.5
Nickel (Ni), % 0.85 to 1.2
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0.2 to 0.45
Sulfur (S), % 0 to 0.035
0 to 0.030
Vanadium (V), % 0
1.8 to 2.2