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SAE-AISI M50 Steel vs. SAE-AISI A10 Steel

Both SAE-AISI M50 steel and SAE-AISI A10 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is SAE-AISI A10 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
72
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
810 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1440
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 35
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
5.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
2.1
Embodied Energy, MJ/kg 74
27
Embodied Water, L/kg 83
56

Common Calculations

PREN (Pitting Resistance) 19
5.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 80
29 to 73
Strength to Weight: Bending, points 23 to 49
25 to 46
Thermal Diffusivity, mm2/s 9.7
11
Thermal Shock Resistance, points 21 to 66
27 to 68

Alloy Composition

Carbon (C), % 0.78 to 0.88
1.3 to 1.5
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 87 to 90.4
90.8 to 93.4
Manganese (Mn), % 0.15 to 0.45
1.6 to 2.1
Molybdenum (Mo), % 3.9 to 4.8
1.3 to 1.8
Nickel (Ni), % 0 to 0.3
1.6 to 2.1
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.6
1.0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.3
0

Comparable Variants