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SAE-AISI T15 Steel vs. SAE-AISI M48 Steel

Both SAE-AISI T15 steel and SAE-AISI M48 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 20 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 T15 steel and the bottom bar is SAE-AISI M48 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
890 to 2390

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1690
1670
Melting Onset (Solidus), °C 1640
1620
Specific Heat Capacity, J/kg-K 430
420
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 43
48
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 16
13
Embodied Energy, MJ/kg 250
190
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 27
37
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 26 to 71
28 to 76
Strength to Weight: Bending, points 22 to 43
23 to 45
Thermal Shock Resistance, points 26 to 70
26 to 71

Alloy Composition

Carbon (C), % 1.5 to 1.6
1.4 to 1.5
Chromium (Cr), % 3.8 to 5.0
3.5 to 4.0
Cobalt (Co), % 4.8 to 5.3
8.0 to 10
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 67.5 to 73.5
63.8 to 69.8
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 0 to 1.0
4.8 to 5.5
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11.8 to 13
9.5 to 10.5
Vanadium (V), % 4.5 to 5.3
2.8 to 3.3

Comparable Variants