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SAE-AISI M50 Steel vs. AWS ERNi-1

SAE-AISI M50 steel belongs to the iron alloys classification, while AWS ERNi-1 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 75
69
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
470

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1480
1360
Melting Onset (Solidus), °C 1440
1310
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 35
73
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
19
Electrical Conductivity: Equal Weight (Specific), % IACS 10
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
60
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 5.1
11
Embodied Energy, MJ/kg 74
150
Embodied Water, L/kg 83
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 26 to 80
15
Strength to Weight: Bending, points 23 to 49
15
Thermal Diffusivity, mm2/s 9.7
19
Thermal Shock Resistance, points 21 to 66
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0.78 to 0.88
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 87 to 90.4
0 to 1.0
Manganese (Mn), % 0.15 to 0.45
0 to 1.0
Molybdenum (Mo), % 3.9 to 4.8
0
Nickel (Ni), % 0 to 0.3
93 to 98
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.5
Vanadium (V), % 0.8 to 1.3
0
Residuals, % 0
0 to 0.5