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ASTM A285 Carbon Steel vs. Grade 19 Titanium

ASTM A285 carbon steel belongs to the iron alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 30 to 34
5.6 to 17
Fatigue Strength, MPa 150 to 180
550 to 620
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
47
Shear Strength, MPa 250 to 290
550 to 750
Tensile Strength: Ultimate (UTS), MPa 380 to 450
890 to 1300
Tensile Strength: Yield (Proof), MPa 190 to 230
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
370
Melting Completion (Liquidus), °C 1470
1660
Melting Onset (Solidus), °C 1420 to 1430
1600
Specific Heat Capacity, J/kg-K 470
520
Thermal Conductivity, W/m-K 53
6.2
Thermal Expansion, µm/m-K 12
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
45
Density, g/cm3 7.9
5.0
Embodied Carbon, kg CO2/kg material 1.4
47
Embodied Energy, MJ/kg 18
760
Embodied Water, L/kg 46
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
3040 to 5530
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
33
Strength to Weight: Axial, points 13 to 16
49 to 72
Strength to Weight: Bending, points 15 to 17
41 to 53
Thermal Diffusivity, mm2/s 14
2.4
Thermal Shock Resistance, points 12 to 14
57 to 83

Comparable Variants