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SAE-AISI M50 Steel vs. SAE-AISI T6 Steel

Both SAE-AISI M50 steel and SAE-AISI T6 steel are iron alloys. They have 67% of their average alloy composition in common. There are 22 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 SAE-AISI T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
880 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1480
1830
Melting Onset (Solidus), °C 1440
1770
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 35
18
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
70
Density, g/cm3 7.9
9.5
Embodied Carbon, kg CO2/kg material 5.1
11
Embodied Energy, MJ/kg 74
170
Embodied Water, L/kg 83
160

Common Calculations

PREN (Pitting Resistance) 19
39
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 26 to 80
26 to 63
Strength to Weight: Bending, points 23 to 49
21 to 39
Thermal Diffusivity, mm2/s 9.7
4.7
Thermal Shock Resistance, points 21 to 66
26 to 64

Alloy Composition

Carbon (C), % 0.78 to 0.88
0.75 to 0.85
Chromium (Cr), % 3.8 to 4.5
4.0 to 4.8
Cobalt (Co), % 0
11 to 13
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 87 to 90.4
55.9 to 63.5
Manganese (Mn), % 0.15 to 0.45
0.2 to 0.4
Molybdenum (Mo), % 3.9 to 4.8
0.4 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.6
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
18.5 to 21
Vanadium (V), % 0.8 to 1.3
1.5 to 2.1

Comparable Variants