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ASTM A266 Carbon Steel vs. AWS ERTi-7

ASTM A266 carbon steel belongs to the iron alloys classification, while AWS ERTi-7 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 A266 carbon steel and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21 to 26
20
Fatigue Strength, MPa 170 to 200
190
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 500 to 600
340
Tensile Strength: Yield (Proof), MPa 230 to 290
280

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1670
Melting Onset (Solidus), °C 1420
1620
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 51 to 52
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
47
Embodied Energy, MJ/kg 18 to 19
800
Embodied Water, L/kg 46 to 47
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
64
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 18 to 21
21
Strength to Weight: Bending, points 18 to 20
24
Thermal Diffusivity, mm2/s 14
8.8
Thermal Shock Resistance, points 16 to 19
26