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SAE-AISI T1 Steel vs. SAE-AISI M48 Steel

Both SAE-AISI T1 steel and SAE-AISI M48 steel are iron alloys. They have 83% 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 T1 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 80
78
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
890 to 2390

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 1810
1670
Melting Onset (Solidus), °C 1750
1620
Specific Heat Capacity, J/kg-K 410
420
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
48
Density, g/cm3 9.3
8.7
Embodied Carbon, kg CO2/kg material 8.2
13
Embodied Energy, MJ/kg 130
190
Embodied Water, L/kg 90
160

Common Calculations

PREN (Pitting Resistance) 34
37
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
22
Strength to Weight: Axial, points 23 to 64
28 to 76
Strength to Weight: Bending, points 20 to 40
23 to 45
Thermal Shock Resistance, points 23 to 64
26 to 71

Alloy Composition

Carbon (C), % 0.65 to 0.8
1.4 to 1.5
Chromium (Cr), % 3.8 to 4.5
3.5 to 4.0
Cobalt (Co), % 0
8.0 to 10
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 73.2 to 77.2
63.8 to 69.8
Manganese (Mn), % 0.1 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 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), % 0.2 to 0.4
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
9.5 to 10.5
Vanadium (V), % 0.9 to 1.3
2.8 to 3.3

Comparable Variants