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SAE-AISI T1 Steel vs. SAE-AISI M50 Steel

Both SAE-AISI T1 steel and SAE-AISI M50 steel are iron alloys. They have 82% 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 T1 steel and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 1810
1480
Melting Onset (Solidus), °C 1750
1440
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
35
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.0
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.2
5.1
Embodied Energy, MJ/kg 130
74
Embodied Water, L/kg 90
83

Common Calculations

PREN (Pitting Resistance) 34
19
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
26 to 80
Strength to Weight: Bending, points 20 to 40
23 to 49
Thermal Diffusivity, mm2/s 5.2
9.7
Thermal Shock Resistance, points 23 to 64
21 to 66

Alloy Composition

Carbon (C), % 0.65 to 0.8
0.78 to 0.88
Chromium (Cr), % 3.8 to 4.5
3.8 to 4.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 73.2 to 77.2
87 to 90.4
Manganese (Mn), % 0.1 to 0.4
0.15 to 0.45
Molybdenum (Mo), % 0
3.9 to 4.8
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 0.4
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0.8 to 1.3

Comparable Variants