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AISI W1 Steel vs. Grade 4 Titanium

AISI W1 steel belongs to the iron alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI W1 steel and the bottom bar is grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
41
Tensile Strength: Ultimate (UTS), MPa 590 to 2320
640

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 48
19
Thermal Expansion, µm/m-K 10
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.6
31
Embodied Energy, MJ/kg 21
500
Embodied Water, L/kg 47
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 83
40
Strength to Weight: Bending, points 20 to 50
37
Thermal Diffusivity, mm2/s 13
7.6
Thermal Shock Resistance, points 22 to 85
46

Alloy Composition

Carbon (C), % 0.7 to 1.5
0 to 0.080
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 96.4 to 98.9
0 to 0.5
Manganese (Mn), % 0.35 to 0.73
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
98.6 to 100
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0 to 0.1
0
Residuals, % 0
0 to 0.4