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SAE-AISI M50 Steel vs. EN 1.1127 Steel

Both SAE-AISI M50 steel and EN 1.1127 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is EN 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
660 to 790

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 35
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
1.5
Embodied Energy, MJ/kg 74
19
Embodied Water, L/kg 83
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 80
23 to 28
Strength to Weight: Bending, points 23 to 49
22 to 24
Thermal Diffusivity, mm2/s 9.7
13
Thermal Shock Resistance, points 21 to 66
21 to 25

Alloy Composition

Carbon (C), % 0.78 to 0.88
0.34 to 0.42
Chromium (Cr), % 3.8 to 4.5
0 to 0.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87 to 90.4
96.6 to 98.1
Manganese (Mn), % 0.15 to 0.45
1.4 to 1.7
Molybdenum (Mo), % 3.9 to 4.8
0 to 0.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0.8 to 1.3
0

Comparable Variants