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SAE-AISI M48 Steel vs. AWS ERTi-1

SAE-AISI M48 steel belongs to the iron alloys classification, while AWS ERTi-1 belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
240

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 1670
1670
Melting Onset (Solidus), °C 1620
1620
Specific Heat Capacity, J/kg-K 420
540
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 48
37
Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 13
31
Embodied Energy, MJ/kg 190
510
Embodied Water, L/kg 160
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 28 to 76
15
Strength to Weight: Bending, points 23 to 45
19
Thermal Shock Resistance, points 26 to 71
19

Alloy Composition

Carbon (C), % 1.4 to 1.5
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 63.8 to 69.8
0 to 0.080
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.773 to 99.97
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0