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ASTM A204 Steel vs. Grade 12 Titanium

ASTM A204 steel belongs to the iron alloys classification, while grade 12 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A204 steel and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 22
21
Fatigue Strength, MPa 200 to 220
280
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
39
Shear Strength, MPa 330 to 360
330
Tensile Strength: Ultimate (UTS), MPa 520 to 590
530
Tensile Strength: Yield (Proof), MPa 290 to 330
410

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 410
320
Melting Completion (Liquidus), °C 1470
1660
Melting Onset (Solidus), °C 1420 to 1430
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.5
31
Embodied Energy, MJ/kg 20
500
Embodied Water, L/kg 47
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 18 to 21
32
Strength to Weight: Bending, points 18 to 20
32
Thermal Diffusivity, mm2/s 14
8.5
Thermal Shock Resistance, points 15 to 17
37