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AWS ERTi-12 vs. SAE-AISI M48 Steel

AWS ERTi-12 belongs to the titanium alloys classification, while SAE-AISI M48 steel belongs to the iron 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 AWS ERTi-12 and the bottom bar is SAE-AISI M48 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 480
890 to 2390

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 30
28 to 76
Strength to Weight: Bending, points 30
23 to 45
Thermal Shock Resistance, points 37
26 to 71

Alloy Composition

Carbon (C), % 0 to 0.030
1.4 to 1.5
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
8.0 to 10
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
63.8 to 69.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0.2 to 0.4
4.8 to 5.5
Nickel (Ni), % 0.060 to 0.090
0 to 0.3
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.147 to 99.66
0
Tungsten (W), % 0
9.5 to 10.5
Vanadium (V), % 0
2.8 to 3.3