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ASTM A210 Steel vs. Grade 31 Titanium

ASTM A210 steel belongs to the iron alloys classification, while grade 31 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A210 steel and the bottom bar is grade 31 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 34
20
Fatigue Strength, MPa 230 to 250
300
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Shear Strength, MPa 320 to 360
320
Tensile Strength: Ultimate (UTS), MPa 470 to 540
510
Tensile Strength: Yield (Proof), MPa 290 to 310
450

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460 to 1470
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 52 to 53
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0 to 8.1
6.9

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.4
36
Embodied Energy, MJ/kg 18
600
Embodied Water, L/kg 45 to 46
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
99
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 250
940
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17 to 19
32
Strength to Weight: Bending, points 17 to 19
32
Thermal Diffusivity, mm2/s 14
8.5
Thermal Shock Resistance, points 15 to 17
39